# projectwren.com > AI-optimized mirror of projectwren.com containing 449 pages totalling 290,851 words of clean markdown content, structured data, and semantic HTML. Original source: https://projectwren.com. Last updated: 2026-07-19T07:24:36.772Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [Wren | Bird’s Eye View](/content/blog-wren-co/index.html): Bird's Eye View is a growing collection of writing for individuals curious about the climate crisis and what they can do about it. (1,841 words) - [Wren | Systemic change starts with you](/content/site-root.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (462 words) ## Articles & Blog Posts - [Wren | A simple guide to the Kyoto Protocol](/content/wren-co/blog/a-simple-guide-to-the-kyoto-protocol/index.html): The Kyoto Protocol launched the first global effort to fight climate change. Behind its tangle of terminology, this treaty contains some easy-to-grasp ideas that still affect our approach today. (1,275 words) - [Wren | What does 'cap and trade' mean?](/content/wren-co/blog/what-does-cap-and-trade-mean/index.html): Cap-and-trade initiatives use the logic of the marketplace to decrease emissions. The goal is to make cleaning up the atmosphere as cheap and easy as possible. But does it work? (1,230 words) - [Wren | A simple guide to the Paris Agreement](/content/wren-co/blog/posts/a-simple-guide-to-the-paris-agreement/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (1,286 words) - [Wren | What is the carbon cycle?](/content/wren-co/blog/what-is-the-carbon-cycle/index.html): Carbon, despite its bad rap, is essential—we're made from it, after all. But the trouble comes from missteps in carbon's shuffling dance, from earth to sky and back. (1,226 words) - [Wren | Bird’s Eye View | What is the state of global climate policy?](/content/blog-wren-co/posts/what-is-the-state-of-global-climate-policy/index.html): There are plenty of tools available to address the climate crisis. The obstacle, for now, is getting politicians to pick them up and put them to work., An interactive visualization from Our World in Data. (1,862 words) - [Wren | Bird’s Eye View | What is geoengineering?](/content/blog-wren-co/posts/what-is-geoengineering/index.html): Geoengineering aims to directly manipulate the climate. It is not just mad science—though it does get plenty of people mad. (1,449 words) - [Wren | Bird’s Eye View | Why is biodiversity important?](/content/blog-wren-co/posts/why-is-biodiversity-important/index.html): Global warming is a threat to nonhuman life on this planet—which turns out to be one more threat to us, too., The Living Planet Index (LPI) measures the average decline in monitored wildlife populations. The index value measures the change in abundance in 34,836 populations across 5,495 native species relative to the year 1970 (i.e. 1970 = 100%). (1,293 words) - [Wren | Bird’s Eye View | What is climate change mitigation?](/content/blog-wren-co/posts/what-is-climate-change-mitigation/index.html): The scale of climate change can be overwhelming. But there are mitigation steps we can take right now to begin to fix the problem., Electricity generation from fossil fuels (coal, gas, and oil), nuclear, and renewables (solar, wind, hydropower, bioenergy, geothermal, wave, and tidal), measured in terawatt-hours., Search articles and charts on Our World in Data. (1,412 words) - [Wren | Bird’s Eye View | What do people mean by climate justice?](/content/blog-wren-co/posts/what-is-climate-justice/index.html): There is increasing interest in centering climate action around the idea of justice—of ensuring that everyone in the world is being served as we solve the climate crisis. (1,192 words) - [Wren | Bird’s Eye View | What does it mean to be carbon neutral?](/content/blog-wren-co/posts/what-does-it-mean-to-be-carbon-neutral/index.html): Here at Wren, we help people go carbon neutral. A wave of brands are working towards the same goal. But what does that mean? (1,464 words) - [Wren | Bird’s Eye View | How can I eat sustainable food?](/content/blog-wren-co/posts/how-can-i-eat-sustainable-food/index.html): The way we eat is simply untenable, for the climate and for the earth and for us. But what can we do? (1,667 words) - [Wren | Bird’s Eye View | What is a carbon sink?](/content/blog-wren-co/posts/what-is-a-carbon-sink/index.html): Features of the natural landscape, from swamps and forests to certain kinds of rocks, can pull carbon from the sky. Can this help us avert disaster? (1,375 words) - [Wren | Offset your carbon footprint](/content/wren-co/climate-camp/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (17 words) - [Wren | Bird’s Eye View | What is the carbon cycle?](/content/blog-wren-co/posts/what-is-the-carbon-cycle/index.html): Carbon, despite its bad rap, is essential—we're made from it, after all. But the trouble comes from missteps in carbon's shuffling dance, from earth to sky and back. (1,592 words) - [Wren | Bird’s Eye View | How much will climate change cost?](/content/blog-wren-co/posts/how-much-will-climate-change-cost/index.html): The short answer: we can't know precisely. But, unless we change things, it will cost more than we can afford. (1,353 words) - [Wren | Bird’s Eye View | Climate solutions, pt. 1: Global priorities](/content/blog-wren-co/posts/climate-solutions-pt-1-global-priorities/index.html): There is no silver bullet for the climate crisis. But there are some solutions we already know we need to pursue. (1,427 words) - [Wren | Bird’s Eye View | A simple guide to the Paris Agreement](/content/blog-wren-co/posts/a-simple-guide-to-the-paris-agreement/index.html): The U.S. has dropped out of the Paris Agreement. Here's what that treaty is all about., The total financial support provided to developing countries for climate change mitigation and adaptation. Countries have set a collective goal of mobilizing $100 billion per year from 2020 onwards. (1,501 words) - [Wren | Bird’s Eye View | What is the difference between conservation and preservation?](/content/blog-wren-co/posts/what-is-the-difference-between-conservation-and-preservation.html): A hundred-year-old debate that pitched environmentalist against environmentalist still casts a shadow today. (1,516 words) - [Wren | Bird’s Eye View | What is happening to the polar ice caps?](/content/blog-wren-co/posts/what-is-happening-to-the-polar-ice-caps/index.html): Ice shelves are crumbling. Sea ice is melting. It's opening a vast new world of economic possibility—and a whole lot of trouble, too. (1,352 words) - [Wren | Bird’s Eye View | The promise of wind power](/content/blog-wren-co/posts/the-promise-of-wind-power/index.html): Can we depend on wind power? We have to., Measured in terawatt-hours. Includes both onshore and offshore wind sources. (1,232 words) - [Wren | Bird’s Eye View | What is climate adaptation?](/content/blog-wren-co/posts/what-do-people-mean-by-climate-adaptation/index.html): While there is plenty of fighting left to do, global warming is already happening. Adaptation is about making the best of a changing world. (1,118 words) - [Wren | Bird’s Eye View | Climate change policy: a timeline](/content/blog-wren-co/posts/climate-policy-timeline/index.html): Efforts to fight climate change go back more than 40 years. Here's a brief guide to the ups and downs of climate policy across the globe. (1,422 words) - [Wren | Bird’s Eye View | Essential facts about pollution](/content/blog-wren-co/posts/essential-facts-about-pollution/index.html): Despite decades of clean-up efforts, real concerns about pollution remain. We cannot afford to ignore our waste., Share of deaths, from any cause, where ambient particulate matter air pollution is a risk factor., Global freshwater withdrawals for agriculture, industry and domestic uses since 1900, measured in cubic metres (m³) per year., Explore the impacts of global climate change. (802 words) - [Wren | Bird’s Eye View | Why is there debate over climate change?](/content/blog-wren-co/posts/why-is-there-debate-over-climate-change/index.html): It doesn't help to think of the climate debate as an us-versus-them battle. There are a wide variety of views on the topic—and to move forward, we need to find the places of agreement. (1,183 words) - [Wren | Bird’s Eye View | What do projections say about the future climate?](/content/blog-wren-co/posts/what-do-projections-say-about-the-future-climate/index.html): The worst-case scenario now seems unlikely. But don't breathe easy yet. (1,078 words) - [Wren | Bird’s Eye View | What does 'cap and trade' mean?](/content/blog-wren-co/posts/what-does-cap-and-trade-mean/index.html): Cap-and-trade initiatives use the logic of the marketplace to decrease emissions. The goal is to make cleaning up the atmosphere as cheap and easy as possible. But does it work? (1,331 words) - [Wren | Bird’s Eye View | Nuclear power and climate change](/content/blog-wren-co/posts/nuclear-power-and-climate-change/index.html): Essential tool or a dangerous distraction? Nuclear power tends to draw strong opinions on both sides. (1,665 words) - [Wren | Bird’s Eye View | How does a carbon tax work?](/content/blog-wren-co/posts/how-does-a-carbon-tax-work/index.html): Most economists agree that carbon taxes are effective. So why aren't there more of them? (1,184 words) - [Wren | Bird’s Eye View | Heat waves and climate change](/content/blog-wren-co/posts/heat-waves-and-climate-change/index.html): If we don't make a change, extended periods of hot weather pose a real threat. (1,067 words) - [Wren | Bird’s Eye View | The emerging story of the climate refugees](/content/blog-wren-co/posts/climate-refugees/index.html): The climate is changing. People are moving. But who is considered a refugee? (1,184 words) - [Wren | Bird’s Eye View | What is sustainable living?](/content/blog-wren-co/posts/what-is-sustainable-living/index.html): Sustainability is more than just a checklist. (1,172 words) - [Wren | Bird’s Eye View | The changing climate: a timeline](/content/blog-wren-co/posts/changing-climate-timeline/index.html): Once the earth was sheathed in glaciers. Now we're racked by seemingly endless wildfires. (1,110 words) - [Wren | Bird’s Eye View | How to plant a tree](/content/blog-wren-co/posts/how-to-plant-a-tree/index.html): Want to add a bit of carbon—and a lot of beauty—to your yard? Just plant a tree. (776 words) - [Wren | Bird’s Eye View | What solutions can reduce deforestation?](/content/blog-wren-co/posts/what-solutions-can-reduce-deforestation/index.html): If we want to keep carbon out of the atmosphere, it's essential that we hold on to the world's trees. So what strategies work best? (1,088 words) - [Wren | Bird’s Eye View | What is a carbon footprint and how is it calculated?](/content/blog-wren-co/posts/what-is-carbon-footprint/index.html): There are various environmental "footprints" measured by researchers. So where did the idea come from, and what do those numbers really mean?, An interactive visualization from Our World in Data. (791 words) - [Wren | Bird’s Eye View | What is the Green New Deal?](/content/blog-wren-co/posts/what-is-the-green-new-deal/index.html): Think of the Green New Deal as a challenge: an attempt to raise the stakes of the climate conversation. (924 words) - [Wren | Bird’s Eye View | What is a carbon credit?](/content/blog-wren-co/posts/what-is-a-carbon-credit/index.html): A carbon credit is like a certificate: it records an accounted-for mass of greenhouse gas emissions. The simple move of tracking these gases opens many new possibilities. (1,129 words) - [Wren | Bird’s Eye View | What is the Anthropocene?](/content/blog-wren-co/posts/what-is-the-anthropocene/index.html): Humans have re-shaped the Earth—so much that some scientists think we've entered a new geological era. (1,255 words) - [Wren | Bird’s Eye View | Essential facts on deforestation](/content/blog-wren-co/posts/essential-facts-on-deforestation/index.html): The rate of cutting is slowing. Still, on average we're losing 270 square kilometers of forest each day. (738 words) - [Wren | Bird’s Eye View | Why Wren is a Public Benefit Corporation](/content/blog-wren-co/posts/why-wren-is-a-public-benefit-corporation/index.html): A Public Benefit Corporation is a new type of legal entity that lets Wren have a legally binding mission while still being able to raise outside investment, allowing us to focus on impact. (627 words) - [Wren | Bird’s Eye View | Is there a sustainable future for tourism?](/content/blog-wren-co/posts/is-there-a-sustainable-future-for-tourism/index.html): We all get wanderlust sometimes. But, given the climate crisis, we may have to rethink the way we hop across the world., Trips by those who stay overnight and whose main purpose for visiting is not commercial. (906 words) - [Wren | Bird’s Eye View | What is geothermal energy and why does it matter?](/content/blog-wren-co/posts/what-is-geothermal-energy-and-why-does-it-matter-2/index.html): The same forces that underlie Old Faithful might just be a key answer in the fight to slow climate change., Cumulative installed capacity of geothermal energy, measured in megawatts. (1,084 words) - [Wren | Bird’s Eye View | Climate solutions, pt. 2: What you can do](/content/blog-wren-co/posts/climate-solutions-pt-2-what-you-can-do/index.html): Your carbon footprint is just one small piece of the puzzle, but your actions can illustrate the scale of the emergency. (1,043 words) - [Wren | Bird’s Eye View | Climate change and the Amazon rain forest](/content/blog-wren-co/posts/climate-change-and-the-amazon-rain-forest/index.html): An essential carbon sink is facing new threats. (1,030 words) - [Wren | Bird’s Eye View | What is the IPCC?](/content/blog-wren-co/posts/what-is-the-ipcc/index.html): The Intergovernmental Panel on Climate Change is the world's clearing house for climate-related science. (1,223 words) - [Wren | Bird’s Eye View | The many types of pollution](/content/blog-wren-co/posts/the-many-types-of-pollution/index.html): Humans have a talent for tarnishing the earth. It's a problem we'll have to consider even as we fight climate change., Annual production of polymer resin and fibers. (1,478 words) - [Wren | Bird’s Eye View | Reflecting on racial justice and climate justice](/content/blog-wren-co/posts/we-donated-half-our-june-revenue-to-the-naacp-heres-why.html): The fossil-fuel economy cannot be separated from a long history of racism. Both need our attention and hard work. (1,024 words) - [Wren | Bird’s Eye View | Wren's year 1 financial report](/content/blog-wren-co/posts/year-1-financial-report/index.html): We're committed to being transparent about our impact, business model, and spending. This report explains how much funding we received in the 12 months since we launched, and where it went. (516 words) - [Wren | Bird’s Eye View | How much is the sea level rising?](/content/blog-wren-co/posts/how-much-is-the-sea-level-rising/index.html): The rising seas are perhaps the most famous consequence of climate change—and they're already doing real damage. (923 words) - [Wren | Bird’s Eye View | What's an aerosol?](/content/blog-wren-co/posts/whats-an-aerosol/index.html): Scientists are still working to understand the climate impacts of these tiny particles. (951 words) - [Wren | Bird’s Eye View | Climate science: a timeline](/content/blog-wren-co/posts/climate-science-timeline/index.html): We first began to grasp the basics of climate science 200 years ago. Here's what we've figured out since. (912 words) - [Wren | Bird’s Eye View | Carbon Pricing 101](/content/blog-wren-co/posts/carbon-pricing-101/index.html): Carbon has a cost. The question is when we will pay for it—and how. (957 words) - [Wren | Bird’s Eye View | The key to fighting climate change](/content/blog-wren-co/posts/the-key-to-fighting-climate-change/index.html): In order to combat this crisis, we need to accept just how big the problem is. (947 words) - [Join Ankur on Wren!](/content/wren-co/join/ankurrastogi/index.html): Calculate and offset your carbon footprint with Wren. (584 words) - [Wren | Bird’s Eye View | Carbon Offsets 101](/content/blog-wren-co/posts/carbon-offsets-101/index.html): Overwhelmed by the concept of carbon offsets? Here's where to start. (609 words) - [Wren | Bird’s Eye View | What is El Niño?](/content/blog-wren-co/posts/what-is-el-nino/index.html): El Niño is one piece in a long-term climactic pattern that influences the weather across the globe. (817 words) - [Join Eric on Wren!](/content/wren-co/join/ericwang/index.html): Calculate and offset your carbon footprint with Wren. (892 words) - [Wren | Bird’s Eye View | What are renewable resources?](/content/blog-wren-co/posts/what-are-renewable-resources/index.html): You've probably heard of renewables. But how do they work and what is the role they play in reversing climate change?, Search articles and charts on Our World in Data. (1,137 words) - [Join Pratima on Wren!](/content/wren-co/join/itspratima/index.html): Calculate and offset your carbon footprint with Wren. (846 words) - [Join Suvir on Wren!](/content/wren-co/join/suvir/index.html): Calculate and offset your carbon footprint with Wren. (850 words) - [Wren | Bird’s Eye View | How 3 Silicon Valley Whiz Kids are Saving the Planet](/content/blog-wren-co/posts/how-3-silicon-valley-whiz-kids-are-saving-the-planet.html): With the climate crisis causing wildfires and record temperatures, this startup is making it easy for people to help save the planet! (346 words) - [Wren | Bird’s Eye View | What are the "planetary boundaries"?](/content/blog-wren-co/posts/what-are-planetary-boundaries/index.html): In an effort to ensure policy is informed by science, researchers have proposed a set of "planetary boundaries," red lines that we do not want to cross. (1,756 words) - [Join Megan on Wren!](/content/wren-co/join/meganpark/index.html): Calculate and offset your carbon footprint with Wren. (740 words) - [Wren | Bird’s Eye View | How does carbon capture work?](/content/blog-wren-co/posts/how-does-carbon-capture-work/index.html): Carbon capture technology, first developed by oil and gas companies, may be essential to fight climate change. How do these technologies work? (1,815 words) - [Join Irfan on Wren!](/content/wren-co/join/irf/index.html): Calculate and offset your carbon footprint with Wren. (570 words) - [Join Phuong Ha on Wren!](/content/wren-co/join/sherlockieee/index.html): Calculate and offset your carbon footprint with Wren. (512 words) - [Wren | Bird’s Eye View | A simple guide to the Kyoto Protocol](/content/blog-wren-co/posts/a-simple-guide-to-the-kyoto-protocol/index.html): The Kyoto Protocol launched the first global effort to fight climate change. Behind its tangle of terminology, this treaty contains some easy-to-grasp ideas that still affect our approach today. (1,423 words) - [Wren | Eric's Profile](/content/wren-co/profile/ericwang/index.html): Eric joined Wren 66 months ago. View the project they're supporting and the impact they've had in reversing climate change! (441 words) - [Wren | Pratima's Profile](/content/wren-co/profile/itspratima/index.html): Pratima joined Wren 86 months ago. View the project they're supporting and the impact they've had in reversing climate change! (418 words) - [Wren | Bird’s Eye View | What distinguishes a high-quality carbon offset?](/content/blog-wren-co/posts/what-distinguishes-a-high-quality-carbon-offset/index.html): It can be difficult to verify the impact of carbon offset projects—which is why transparency and rigor are key. (1,644 words) - [Wren | Suvir's Profile](/content/wren-co/profile/suvir/index.html): Suvir joined Wren 78 months ago. View the project they're supporting and the impact they've had in reversing climate change! (421 words) - [Wren | Ankur's Profile](/content/wren-co/profile/ankurrastogi/index.html): Ankur joined Wren 86 months ago. View the project they're supporting and the impact they've had in reversing climate change! (418 words) - [Wren | Megan's Profile](/content/wren-co/profile/meganpark/index.html): Megan joined Wren 83 months ago. View the project they're supporting and the impact they've had in reversing climate change! (381 words) - [Wren | Bird’s Eye View | What is ocean acidification?](/content/blog-wren-co/posts/what-is-ocean-acidification/index.html): Climate change is not the only carbon problem. Fossil fuels are pushing the oceans towards a watery apocalypse. (1,060 words) - [Wren | Irfan's Profile](/content/wren-co/profile/irf/index.html): Irfan joined Wren 87 months ago. View the project they're supporting and the impact they've had in reversing climate change! (380 words) - [Wren | Phuong Ha's Profile](/content/wren-co/profile/sherlockieee/index.html): Phuong Ha joined Wren 37 months ago. View the project they're supporting and the impact they've had in reversing climate change! (263 words) - [Wren | How to save Earth by making wine](/content/wren-co/updates/pac-biochar-update/index.html): How this climate project increases crop yields and sequesters carbon at the same time. (616 words) - [Join Hilary on Wren!](/content/wren-co/join/hilaryderrick/index.html): Calculate and offset your carbon footprint with Wren. (804 words) - [Join Eben on Wren!](/content/wren-co/join/eben/index.html): Calculate and offset your carbon footprint with Wren. (490 words) - [Join Mimi on Wren!](/content/wren-co/join/mims/index.html): Calculate and offset your carbon footprint with Wren. (716 words) - [Wren | Bird’s Eye View | What factors affect climate?](/content/blog-wren-co/posts/what-factors-affect-climate/index.html): The climate is influenced by many different factors, but human beings have an outsized effect. (1,250 words) - [Wren | How mangrove planting cultivates societal and ecological co-benefits](/content/wren-co/blog/how-mangrove-planting-cultivates-societal-and-ecological-co-benefits.html): Our partners are restoring mangroves and wetlands on a massive scale. That’s 5M tonnes of CO₂ sequestered so far and climbing! Check out recent updates and co-benefits, plus a welcome letter from the project founder and CEO. (873 words) - [Wren | Bird’s Eye View | What's the deal with fracking?](/content/blog-wren-co/posts/whats-the-deal-with-fracking/index.html): Nasty nuisance or climate solution? Here's the full scoop. (1,543 words) - [Wren | Spark SC](/content/wren-co/groups/spark/index.html): Create a Wren Group to take climate action with your friends! (316 words) - [Wren | Bird’s Eye View | What does 'global warming potential' measure?](/content/blog-wren-co/posts/what-does-global-warming-potential-tell-us-about-greenhouse-gases.html): Carbon dioxide may be the most famous greenhouse gas, but it's not the only factor in climate change. "GWP" helps us compare other gases, too. (1,129 words) - [Wren | Calvin's Climate Community](/content/wren-co/groups/calvinsclimatecommunity/index.html): Create a Wren Group to take climate action with your friends! (199 words) - [Wren | New ambitious carbon removal goals and the team behind them](/content/wren-co/updates/future-forest-sept-update-2022/index.html): Learn how our Mineral weathering in Scotland project is focusing their efforts. (606 words) - [Wren | Bird’s Eye View | Could the runaway greenhouse effect come to earth?](/content/blog-wren-co/posts/could-the-runaway-greenhouse-effect-come-to-earth/index.html): Get enough greenhouse gases in the atmosphere, and you set off an unstoppable feedback loop of warming. Could it happen on earth? (926 words) - [rhys's Profile | Wren](/content/wren-co/profile/rhysnewbury/index.html): rhys joined Wren 3 months ago. View the project they're supporting and the impact they've had in reversing climate change! (168 words) - [Luisa's Profile | Wren](/content/wren-co/profile/luisa/index.html): Luisa joined Wren 39 months ago. View the project they're supporting and the impact they've had in reversing climate change! (146 words) - [Wren | Bird’s Eye View | What is the problem with methane?](/content/blog-wren-co/posts/what-is-the-problem-with-methane/index.html): So much attention is focused on carbon dioxide. But there's another villainous greenhouse gas out there that we need to rein in, too., Methane (CH₄) emissions are measured in tonnes of carbon dioxide-equivalents., Methane (CH₄) emissions are measured in tonnes of carbon dioxide-equivalents. (3,719 words) - [Siyang's Profile | Wren](/content/wren-co/profile/unevenlyeven/index.html): Siyang joined Wren 48 months ago. View the project they're supporting and the impact they've had in reversing climate change! (132 words) - [Gabriel's Profile | Wren](/content/wren-co/profile/crazyg/index.html): Gabriel joined Wren 39 months ago. View the project they're supporting and the impact they've had in reversing climate change! (134 words) - [Sarah-Jane's Profile | Wren](/content/wren-co/profile/sarahjanecamilleri/index.html): Sarah-Jane joined Wren 34 months ago. View the project they're supporting and the impact they've had in reversing climate change! (93 words) - [Jasper's Profile | Wren](/content/wren-co/profile/jaspergross/index.html): Jasper joined Wren 38 months ago. View the project they're supporting and the impact they've had in reversing climate change! (53 words) - [Wren | Over 1,000 farmers join our project every month!](/content/wren-co/blog/tist-dec-update/index.html): This month, Community Tree Planting made history. (399 words) - [Wren | Protecting Blue Carbon Ecosystems and Child Health](/content/wren-co/updates/protecting-blue-carbon-ecosystems-and-child-health/index.html): How we're addressing critical issues like carbon sequestration and providing co-benefits to local communities at the forefront of climate change. (641 words) - [Wren | Bird’s Eye View | What is reforestation and does it mitigate climate change?](/content/blog-wren-co/posts/what-is-reforestation/index.html): A study shows planting many more trees could curb climate change. Could reforestation be the key?, The annual net change in forested area as a percentage of total forest area. Negative values indicate a net loss of forest, and positive values indicate a net gain. (1,712 words) - [Join Eric on Wren!](/content/wren-co/join/e2-92-ba/index.html): Calculate and offset your carbon footprint with Wren. (972 words) - [Join Sophie on Wren!](/content/wren-co/join/sophiewestover/index.html): Calculate and offset your carbon footprint with Wren. (910 words) - [Rik's Profile | Wren](/content/wren-co/profile/rikbergman/index.html): Rik joined Wren 47 months ago. View the project they're supporting and the impact they've had in reversing climate change! (216 words) - [Freddie's Profile | Wren](/content/wren-co/profile/freddiebroadhurst/index.html): Freddie joined Wren 63 months ago. View the project they're supporting and the impact they've had in reversing climate change! (194 words) - [Markus's Profile | Wren](/content/wren-co/profile/markusegruber/index.html): Markus joined Wren 39 months ago. View the project they're supporting and the impact they've had in reversing climate change! (122 words) - [Alan's Profile | Wren](/content/wren-co/profile/alandestraya/index.html): Alan joined Wren 60 months ago. View the project they're supporting and the impact they've had in reversing climate change! (151 words) - [Adam's Profile | Wren](/content/wren-co/profile/thinkaliker/index.html): Adam joined Wren 44 months ago. View the project they're supporting and the impact they've had in reversing climate change! (160 words) - [Wren | How can I eat sustainable food?](/content/wren-co/blog/posts/how-can-i-eat-sustainable-food/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (1,663 words) - [Peter's Profile | Wren](/content/wren-co/profile/peterlb/index.html): Peter joined Wren 53 months ago. View the project they're supporting and the impact they've had in reversing climate change! (119 words) - [Ben's Profile | Wren](/content/wren-co/profile/ben/index.html): Ben joined Wren 81 months ago. View the project they're supporting and the impact they've had in reversing climate change! (135 words) - [Join Landon on Wren!](/content/wren-co/join/landon/index.html): Calculate and offset your carbon footprint with Wren. (823 words) - [Wren | Nuclear power and climate change](/content/wren-co/blog/posts/nuclear-power-and-climate-change/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (1,536 words) - [Join Emily on Wren!](/content/wren-co/join/millie/index.html): Calculate and offset your carbon footprint with Wren. (617 words) - [Keith's Profile | Wren](/content/wren-co/profile/keithlinker/index.html): Keith joined Wren 51 months ago. View the project they're supporting and the impact they've had in reversing climate change! (80 words) - [Wren | $1M in farmer income and an Africa expansion](/content/wren-co/blog/1m-in-farmer-income-and-an-africa-expansion/index.html): Our partner is on track to increase farmer incomes by $1M by the end of this year, thanks to the co-benefits of enhanced rock weathering. (937 words) - [Anna's Profile | Wren](/content/wren-co/profile/annaw/index.html): Anna joined Wren 30 months ago. View the project they're supporting and the impact they've had in reversing climate change! (20 words) - [Aron's Profile | Wren](/content/wren-co/profile/aronroberts/index.html): Aron joined Wren 56 months ago. View the project they're supporting and the impact they've had in reversing climate change! (9 words) - [Gordon's Profile | Wren](/content/wren-co/profile/gordontetlow/index.html): Gordon joined Wren 52 months ago. View the project they're supporting and the impact they've had in reversing climate change! (70 words) - [Wren | 2,500 tonnes of bio-oil produced, and scaling quickly](/content/wren-co/blog/2500-tonnes-of-bio-oil-produced-and-scaling-quickly.html): Our project partner has produced 2,500+ tonnes of bio-oil while developing innovative solutions to expand operations. (691 words) - [Wren | How we’re removing carbon with bio-oil](/content/wren-co/blog/carbon-removal-with-bio-oil/index.html): The Charm team sent along the following letter thanking Wren members for their support and provide some details about their work, including some new pictures sequestering carbon out in the field! (660 words) - [Wren | Providing cooking fuel for 60,000 more rural families](/content/wren-co/blog/ccf-june-2022-update/index.html): Our clean cooking fuel project has just started a new 3-year initiative (476 words) - [Wren | Wren members have raised over $1,000,000 for tree planting in East Africa!](/content/wren-co/blog/tist-apr-update/index.html): Together, the Wren community has funded the planting of millions of trees. (531 words) - [Wren | Community Tree Planting returns to its Tanzanian roots](/content/wren-co/blog/tist-update-sept-2021/index.html): The project went from 77 farmers to over 77,000– with more joining every week. (419 words) - [Join Katy on Wren!](/content/wren-co/join/katyfox/index.html): Calculate and offset your carbon footprint with Wren. (610 words) - [Wren | Wren outgrows its first climate project](/content/wren-co/blog/mandulis-september-2021-update/index.html): Clean Cooking Fuel for Refugees is still growing. But Wren is growing faster. (505 words) - [Wren | Turning over a new leaf for mangroves](/content/wren-co/blog/turning-over-a-new-leaf-for-mangroves/index.html): Our Mangrove conservation in Mexico project is experiencing a bureaucratic delay in the process for issuing carbon credits, due to a roadblock in bureaucratic processes with the Mexican government—specifically getting an agreement signed that can protec... (587 words) - [Wren | Climate solutions, pt. 1: Global priorities](/content/wren-co/blog/posts/climate-solutions-pt-1-global-priorities/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (1,255 words) - [Wren | A welcome from our newest refrigerant destruction partner](/content/wren-co/updates/recoolit-welcome-letter/index.html): The project technicians go out into the field and collect HFC gas for destruction before it leaks into the atmosphere. Learn more in this welcome letter from the project CEO. (651 words) - [Wren | How we’re helping solve Brazil's landfill methane problem](/content/wren-co/blog/how-were-helping-solve-brazils-landfill-methane-problem.html): Our newest project partner is preventing 240,000 tonnes of CO₂e annually, operating a landfill gas collection system that captures methane from a landfill in João Pessoa, Brazil. (875 words) - [Wren | Putting a spotlight on the Indigenous Women protecting the Amazon Rainforest](/content/wren-co/updates/tech-enabled-rainforest-aug-2022/index.html): Our Tech-enabled Rainforest Protection project is tackling gender inclusion this Indigenous Peoples Day. (833 words) - [Wren | Why is there debate over climate change?](/content/wren-co/blog/posts/why-is-there-debate-over-climate-change/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (1,141 words) - [Wren | The Wren Flock](/content/wren-co/groups/wren/index.html): Create a Wren Group to take climate action with your friends! (365 words) - [Wren | What is a carbon sink?](/content/wren-co/blog/posts/what-is-a-carbon-sink/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (1,222 words) - [Wren | Long-term benefits from a single action](/content/wren-co/updates/biochar-soil-benefits/index.html): A new discovery on how biochar application increases soil organic matter while storing carbon for thousands of years. (498 words) - [Josh's Profile | Wren](/content/wren-co/profile/joshvickerson/index.html): Josh joined Wren 69 months ago. View the project they're supporting and the impact they've had in reversing climate change! (135 words) - [Join Eileen on Wren!](/content/wren-co/join/doilarose/index.html): Calculate and offset your carbon footprint with Wren. (823 words) - [Michael's Profile | Wren](/content/wren-co/profile/michaelbrennock/index.html): Michael joined Wren 61 months ago. View the project they're supporting and the impact they've had in reversing climate change! (175 words) - [Wren | A look at our project’s recent community action for Amazon Rainforest Day](/content/wren-co/updates/community-action-amazon-rainforest-day/index.html): 40+ Indigenous forest monitoring patrols helped identify primary routes for illegal loggers and local armed groups. (703 words) - [Wren | 6,000 tonnes of CO₂e out of our atmosphere with our new tree planting project](/content/wren-co/blog/6-000-tons-of-co2e-with-our-new-tree-planting-project.html): Our first batch of credits for our Community agroforestry project has already been retired and can never be re-sold. (696 words) - [Wren | An 84% decrease in deforestation—thanks to your support](/content/wren-co/updates/tech-enabled-rainforest-july-2022/index.html): Not only are Wren subscribers making an impact on CO₂ and the climate, but we’re also making a difference for the Indigenous Amazonians who are monitoring their rainforest. (516 words) - [Wren | Eben's Profile](/content/wren-co/profile/eben/index.html): Eben joined Wren 83 months ago. View the project they're supporting and the impact they've had in reversing climate change! (422 words) - [Wren | What is geothermal energy and why does it matter?](/content/wren-co/blog/posts/what-is-geothermal-energy-and-why-does-it-matter-2/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (1,083 words) - [Wren | Bird’s Eye View | Wren financial report: year two](/content/blog-wren-co/posts/wren-financial-report-year-two/index.html): Over the past 12 months, Wren brought in $760,000 to fund projects that reduce or remove CO2 emissions. (565 words) - [Wren | Putting oil back in the ground and scaling carbon removal](/content/wren-co/blog/putting-oil-back-in-the-ground-and-scaling-carbon-removal.html): Read about Charm’s tech upgrades, from increased capacity through new rail cars to advanced pyrolyzers and automated reactor systems. (626 words) - [Wren | Actions](/content/wren-co/actions/plant-based-diet-20-years/index.html): Take climate action with Wren. (23 words) - [Wren | Actions](/content/wren-co/actions/plant-based-diet-10-years/index.html): Take climate action with Wren. (41 words) - [Wren | Actions](/content/wren-co/actions/plant-based-diet-1-year/index.html): Take climate action with Wren. (47 words) - [Wren | Actions](/content/wren-co/actions/plant-based-diet-3-months/index.html): Take climate action with Wren. (38 words) - [Wren | Actions](/content/wren-co/actions/plant-based-diet-5-years/index.html): Take climate action with Wren. (23 words) - [Wren | Actions](/content/wren-co/actions/plant-based-diet-1-week/index.html): Take climate action with Wren. (35 words) - [Wren | Actions](/content/wren-co/actions/plant-based-diet-6-months/index.html): Take climate action with Wren. (45 words) - [Wren | Bird’s Eye View | A guide to non-renewable resources and the climate](/content/blog-wren-co/posts/a-guide-to-non-renewable-resources-and-the-climate/index.html): Non-renewable resources take eons to be replaced—sometimes longer than the entirety of human history. Still, some of these materials are essential in our quest to stop climate change., Energy consumption is measured in terawatt-hours, in terms of direct primary energy. This means that fossil fuels include the energy lost due to inefficiencies in energy production. (1,357 words) - [Wren | Actions](/content/wren-co/actions/plant-based-diet-1-month/index.html): Take climate action with Wren. (23 words) - [Wren | Actions](/content/wren-co/actions/plant-based-1-day/index.html): Take climate action with Wren. (35 words) - [Projects summary | Wren](/content/wren-co/projects-summary/index.html): Meet the projects that Wren members support to remove CO2 from the atmosphere. (498 words) - [Wren | What is the problem with methane?](/content/wren-co/blog/what-is-the-problem-with-methane/index.html): So much attention is focused on carbon dioxide. But there's another villainous greenhouse gas out there that we need to rein in, too. (1,256 words) - [Wren | Wren visits our Refrigerant Destruction project partner](/content/wren-co/updates/wren-visits-our-refrigerant-destruction-project-partner.html): Some of our team members visited A-Gas in Bowling Green, Ohio for an on-the-ground look at the project progress, including seeing the refrigerant destruction process first-hand. (1,402 words) - ["Hilary’s Group" | Wren Groups](/content/wren-co/groups/78j6dm/index.html): Create a Wren Group to take climate action with your friends! (31 words) - [Wren | Mangrove planting in Pakistan](/content/wren-co/projects/mangrove-planting-in-pakistan/index.html): This project restores degraded tidal wetlands in the Indus Delta region in Sindh Province, Pakistan. (1,870 words) - [Wren | Sophie's Profile](/content/wren-co/profile/sophiewestover/index.html): Sophie joined Wren 37 months ago. View the project they're supporting and the impact they've had in reversing climate change! (406 words) - [Wren | Mimi's Profile](/content/wren-co/profile/mims/index.html): Mimi joined Wren 87 months ago. View the project they're supporting and the impact they've had in reversing climate change! (440 words) - [Join Hannah on Wren!](/content/wren-co/join/hannahbrown/index.html): Calculate and offset your carbon footprint with Wren. (502 words) - [Wren | Striving for 100M tonnes of carbon dioxide removal and 130K jobs](/content/wren-co/blog/striving-for-100m-tonnes-of-annual-carbon-removal-and-130k-jobs.html): Our project partner is educating policymakers through industry reporting and site visits to share how carbon removal could create 130K jobs while removing 100M tonnes of CO₂ per year. (1,307 words) - [Wren | Landon's Profile](/content/wren-co/profile/landon/index.html): Landon joined Wren 86 months ago. View the project they're supporting and the impact they've had in reversing climate change! (423 words) - [Wren | How thousands of subsistence farmers planted 20 million trees](/content/wren-co/updates/community-tree-planting-feb-update/index.html): We have managed to align 100,000 farmers under a common goal: afforesting East Africa. (683 words) - [Wren | Offset your carbon footprint](/content/wren-co/newsroom/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (17 words) - [International Day for the Conservation of Mangrove Ecosystems](/content/wren-co/fundraisers/c903d864-733d-47f0-b4eb-fbc8e9d8f071/index.html): We are thrilled to host a special fundraiser for Mangrove conservation in Mexico, our newest nature-based solution. This project protects the diverse ... (117 words) - [Wren | Hilary's Profile](/content/wren-co/profile/hilaryderrick/index.html): Hilary joined Wren 49 months ago. View the project they're supporting and the impact they've had in reversing climate change! (241 words) - [Wren | Careers](/content/wren-co/careers/index.html): Interested in working on climate change? Check out Wren's open positions. (643 words) - [Wren | Mineral Weathering is on track to remove 1 million tonnes of CO₂ by 2025](/content/wren-co/updates/1-million-tons-co2-by-2025/index.html): The project is making strides towards permanent carbon removal solutions, and major corporations are taking notice. (773 words) - [Wren | Actions](/content/wren-co/actions/fix-the-clean-water-act/index.html): Take climate action with Wren. (894 words) - [Wren | Avoiding 50K+ tonnes of CO₂e in wildfire emissions and scaling the solution](/content/wren-co/blog/avoiding-50k-tonnes-of-co2e-in-wildfire-emissions-and-scaling-the-solution.html): Avoiding 53,305 tonnes of CO₂e from wildfire emissions during Oregon’s worst wildfire season on record, we helped restoration work continue, protecting the Rogue Valley with Lomakatsi Restoration Project. (1,309 words) - [Wren | How we're storing carbon for millions of years](/content/wren-co/updates/future-forest-sept-21-update/index.html): It's a brave new world for our project in Scotland. (627 words) - [Wren | path's fwrens 🌱](/content/wren-co/groups/fwrens/index.html): Create a Wren Group to take climate action with your friends! (474 words) - [Wren | Preventing wildfires while sequestering carbon with biochar](/content/wren-co/blog/preventing-wildfires-while-sequestering-carbon-with-biochar.html): Clearing forest residues for biochar helps reduce wildfire risk—especially important as California faces hotter, longer fire seasons. (1,132 words) - [Wren | Rainforest protection triples in size with more expansion planned](/content/wren-co/updates/tech-enabled-rainforest-feb-update/index.html): More indigenous communities than ever are using technology to protect their rainforest home. (658 words) - [Wren | 100k+ acres of Indigenous land reclaimed, thanks to you.](/content/wren-co/updates/reclaimed-land/index.html): How Tech-enabled rainforest protection empowers community-led solutions for the climate crisis. (571 words) - [Wren | How Biochar in California is scaling their impact](/content/wren-co/updates/biochar-in-california-aug-2022/index.html): Thanks to funding from Wren, Microsoft, and other committed clients, Biochar in California is removing 75 tons of CO₂e every week. (582 words) - [Wren | Your support stops illegal logging in its tracks](/content/wren-co/updates/your-support-stops-illegal-logging-in-its-tracks/index.html): San Fernando patrollers catch illegal loggers red-handed and put a stop to their harmful activities. (793 words) - [Wren | Clean cooking fuel for refugees](/content/wren-co/projects/clean-cooking-fuel/index.html): Provide clean cooking fuel for the 1.3MM refugees in Uganda, which means healthier lungs and less deforestation. (1,078 words) - [Wren | Actions](/content/wren-co/actions/plant-based-diet-2-years/index.html): Take climate action with Wren. (22 words) - [Wren | Community tree planting](/content/wren-co/projects/community-tree-planting/index.html): Support a community focused afforestation program that sponsors tree planting and workshops for farmers in East Africa. (819 words) - [Wren | Healing the forest of Hainings](/content/wren-co/updates/healing-the-forest-of-hainings/index.html): A deadly disease killed half this ancient forest. We hear straight from the person bringing the forest back to life. (566 words) - [Wren | Actions](/content/wren-co/actions/big-wires-act-2023/index.html): Take climate action with Wren. (871 words) - [Wren | Protecting 15,000 hectares of mangrove forests, and seeing conservation in real-time](/content/wren-co/updates/seeing-mangrove-conservation-in-real-time/index.html): The Wren team recently had the opportunity to visit Magdalena Bay in Mexico to see the mangrove forests, ecosystems, and community benefits that our subscribers are supporting. (527 words) - [Wren | Emily's Profile](/content/wren-co/profile/millie/index.html): Emily joined Wren 39 months ago. View the project they're supporting and the impact they've had in reversing climate change! (437 words) - [Wren | The Wren Classic Portfolio is being updated! (Aug 2023)](/content/wren-co/updates/aug23-portfolio-update/index.html): Empowering Timorese communities to plant 1000s of trees 🌱 (367 words) - [Wren | Scaling both crop and climate resilience through Enhanced weathering on rice paddies](/content/wren-co/blog/scaling-both-crop-and-climate-resilience-through-enhanced-weathering-on-rice-paddies.html): Our partner is expanding across Africa and Asia to bring enhanced weathering to smallholders. This means healthier soils, stronger harvests, and millions of tonnes of durable carbon dioxide removal. (865 words) - [Wren | Financing forest health with our newest conservation partners](/content/wren-co/blog/financing-forest-health-with-our-newest-conservation-partners.html): Supporting projects like Forest resilience against wildfires encourages climate resilience for ecosystems and communities. (1,205 words) - [Wren | Bio-oil carbon removal ](/content/wren-co/projects/bio-oil-carbon-removal/index.html): This project permanently removes carbon from the atmosphere by converting plant biomass into carbon-rich bio-oil that is safely injected deep underground. (922 words) - [Wren | The Wren Climate Portfolio is being updated! (July 2023)](/content/wren-co/updates/july923-portfolio-update/index.html): Reducing N₂O emissions with adipic acid abatement. (442 words) - [Wren | Mangrove conservation in Mexico](/content/wren-co/projects/mangrove-conservation-in-mexico/index.html): Protect the mangrove forests of Baja California Sur, Mexico by scaling-up conservation efforts. (1,597 words) - [Wren | Enhanced rock weathering trials are underway](/content/wren-co/updates/enhanced-weathering-trials/index.html): The senior agronomists for Mineral Weathering in Scotland are working closely with other experts to verify soil health benefits of the basalt rock. (716 words) - [Join Piyush on Wren!](/content/wren-co/join/pjain415/index.html): Calculate and offset your carbon footprint with Wren. (445 words) - [Wren | Wren supporters helped send clean cooking fuel to 7,500 refugee families!](/content/wren-co/updates/the-projects-biggest-delivery-yet/index.html): This month, the project delivered clean cooking fuel to more refugees than ever. (243 words) - [Wren | Actions](/content/wren-co/actions/install-an-induction-stove/index.html): You'll quickly start saving energy and emissions as soon as you start cooking on your new stove. (713 words) - [Path's Profile | Wren](/content/wren-co/profile/path/index.html): Path joined Wren 60 months ago. View the project they're supporting and the impact they've had in reversing climate change! (129 words) - [Wren | The Wren Climate Portfolio is being updated! (May 2023)](/content/wren-co/updates/may23-portfolio-update/index.html): Introducing our newest nature-based solution and an update on portfolio allocations (272 words) - [Wren | Scaling up carbon removal while supporting smallholder farmers](/content/wren-co/blog/scaling-up-carbon-removal-while-supporting-smallholder-farmers.html): Check out the welcome letter from Shantanu Argawal, CEO of our project partner, to learn how they’re supporting gigaton-scale carbon removal to fight climate change. (753 words) - [Wren | Eric's Profile](/content/wren-co/profile/e2-92-ba/index.html): Eric joined Wren 59 months ago. View the project they're supporting and the impact they've had in reversing climate change! (176 words) - [Wren | Actions](/content/wren-co/actions/encourage-a-restaurant-to-switch-to-reusable-or-compostable-containers.html): Take climate action with Wren. (485 words) - [Wren | Actions](/content/wren-co/actions/action-alert-tweet-at-krogers-supermarket-about-their-hfc-use.html): Take climate action with Wren. (306 words) - [Wren | Katy's Profile](/content/wren-co/profile/katyfox/index.html): Katy joined Wren 30 months ago. View the project they're supporting and the impact they've had in reversing climate change! (185 words) - [Wren | Actions](/content/wren-co/actions/plant-based-tracker/index.html): Take climate action with Wren. (118 words) - [Help the Amazon rainforest overcome funding shortfalls](/content/wren-co/fundraisers/5aeb16da-d43e-4601-9d94-aee96f85749a/index.html): Our partner, Rainforest Foundation US, supports Indigenous peoples in the Amazon and Central America to safeguard their rainforest homes. This work ha... (344 words) - [Wren | New carbon removal solutions join Wren Classic (Nov 2023)](/content/wren-co/updates/nov23-portfolio-update/index.html): We've added two new carbon removal solutions to the portfolio! (190 words) - [Wren | How spreading crushed rock fights climate change and supports food systems](/content/wren-co/blog/how-spreading-crushed-rock-fights-climate-change-and-supports-food-systems.html): Wren members have funded 25K+ tonnes of rock spread across thousands of hectares, which will remove 5K+ tonnes of CO₂ over time. (1,067 words) - [Wren | Actions](/content/wren-co/actions/find-a-job-in-ending-the-climate-crisis/index.html): Take climate action with Wren. (284 words) - [Catalyze carbon removal with high-impact donations](/content/wren-co/fundraisers/3c2d37bf-de29-405c-94aa-f156c0437d7b/index.html): Join Wren's ambitious campaign to provide catalytic grant funding to three promising carbon removal technologies. We're rallying support for HyveGeo, ... (321 words) - [Wren | Actions](/content/wren-co/actions/replace-meat-and-dairy-snacks/index.html): Take climate action with Wren. (493 words) - [Kick-start carbon removal operations in sub-Saharan Africa](/content/wren-co/fundraisers/b7930ec0-f126-4ac6-98bd-c702ba03b471/index.html): Join Wren's ambitious campaign to transform the agricultural landscape of Africa and address the urgent challenge of climate change. We're rallying su... (387 words) - [Wren | Celebrating successful carbon removal pilot trials in Zambia](/content/wren-co/blog/celebrating-successful-carbon-removal-pilot-trials-in-zambia.html): Each contribution to our first Slingshot fundraiser has helped accelerate efforts toward climate mitigation and smallholder farmer resilience in sub-Saharan Africa. (472 words) - [Wren | How we’re avoiding millions of tonnes of CO₂e from a hidden climate threat](/content/wren-co/blog/how-were-avoiding-millions-of-tonnes-of-co2e-from-a-hidden-climate-threat.html): With the support of buyers like Wren, our Adipic acid nitrous oxide abatement project partners issued 5.7M CO₂e avoidance credits in 2024. This brings their total issuance total to 17M+ carbon credits. (1,545 words) - [link-wren-co/e/c/eyjlijo4nji4mswizw1hawxfawqioijlegftcgxliiwiahjlzii6imh0dhbzoi8vd3d3lndyzw4uy28vznvuzhjhaxnlcnmvnmu5yze0zmmtogi4ni00odm1ltgxztutmgu4nziwzmvhota0p3v0bv9jyw1wywlnbj1ub3ytmjayns13zwjpbmfylxjlcgxhes1yzwdpc3rlcmvkxhuwmdi2dxrtx3nvdxjjzt1lbwfpbcisinqioje3njm0mdcxmzn9/ba68e050b93eeb5cb838c1ec38eb5010d9a582414c1e49c5f4a9530fe4048e2f.html](/content/link-wren-co/e/c/eyjlijo4nji4mswizw1hawxfawqioijlegftcgxliiwiahjlzii6imh0dhbzoi8vd3d3lndyzw4uy28vznvuzhjhaxnlcnmvnmu5yze0zmmtogi4ni00odm1ltgxztutmgu4nziwzmvhota0p3v0bv9jyw1wywlnbj1ub3ytmjayns13zwjpbmfylxjlcgxhes1yzwdpc3rlcmvkxhuwmdi2dxrtx3nvdxjjzt1lbwfpbcisinqioje3njm0mdcxmzn9/ba68e050b93eeb5cb838c1ec38eb5010d9a582414c1e49c5f4a9530fe4048e2f.html) (491 words) - [Wren | Actions](/content/wren-co/actions/set-up-direct-deposits-with-a-green-bank/index.html): Take climate action with Wren. (182 words) - [Wren | 19.8M acres of Indigenous-led rainforest protection](/content/wren-co/blog/19-8m-acres-of-indigenous-led-rainforest-protection.html): In 2024, our project partner monitored almost 20 million acres of land, storing a net 9.8M tonnes of CO₂e with the help of hundreds of Indigenous forest monitors. (878 words) - [wren-co/profile/sr/index.html](/content/wren-co/profile/sr/index.html) (28 words) - [Wren | Actions](/content/wren-co/actions/open-an-account-with-a-green-bank/index.html): Take climate action with Wren. (101 words) - [Wren | Landfill methane abatement](/content/wren-co/projects/landfill-methane-abatement/index.html): This project avoids the emission of methane (CH₄), a greenhouse gas 28× more potent than carbon dioxide (CO₂). (1,432 words) - [Wren | Actions](/content/wren-co/actions/conduct-a-diy-or-professional-home-energy-audit/index.html): Energy audits are critical to do before you consider any additional home improvements, and will typically result in energy and cost savings. (352 words) - [Wren | Actions](/content/wren-co/actions/reduce-food-waste/index.html): Take climate action with Wren. (275 words) - [Wren | Actions](/content/wren-co/actions/make-sure-your-commute-is-as-energy-efficient-as-possible.html): Take climate action with Wren. (346 words) - [Wren | How agricultural waste can permanently store carbon](/content/wren-co/blog/how-agricultural-waste-can-permanently-store-carbon.html): The Wren team visited our project partner in Arkansas, United States, and saw the permanent carbon removal process first-hand. (808 words) - [Wren | Saving lives and uplifting carbon credit integrity with clean cookstoves](/content/wren-co/blog/saving-lives-and-uplifting-carbon-credit-integrity-with-clean-cookstoves.html): Our project partner is dedicated to measurability and transparency, being the first initiative in Africa to implement Gold Standard's Methodology for Metered & Measured Energy Cooking Devices. (906 words) - [Wren | Actions](/content/wren-co/actions/cut-out-all-meat-from-your-diet/index.html): Take climate action with Wren. (252 words) - [Wren | Here's your pocket guide to COP29—the world's largest climate conference](/content/wren-co/blog/cop29/index.html): COP29 took place in Azerbaijan and wrapped up on November 24, 2024. Read our key takeaways and outcomes. (802 words) - [Wren | Bird’s Eye View | What is the greenhouse effect, and how does it work?](/content/blog-wren-co/posts/what-is-the-greenhouse-effect-and-how-does-it-work/index.html): You probably learned about the greenhouse effect, the basic scientific idea behind the climate crisis, years ago. It's never too late for a refresher., Explore the impacts of global climate change. (1,549 words) - [Wren | 16,000+ tonnes of emissions avoided, thanks to your support](/content/wren-co/updates/16k-tons-emissions-avoided/index.html): We’ve successfully completed our first refrigerant destruction project with A-Gas! (546 words) - [credits | Wren API](/content/wren-co/docs/api/credits/index.html): Wren API documentation: credits (425 words) - [Wren | Actions](/content/wren-co/actions/reduce-business-travel-as-much-as-possible/index.html): Take climate action with Wren. (217 words) - [Wren | Actions](/content/wren-co/actions/carpool-to-work-or-school/index.html): Carpooling will halve your mileage emissions, and your carpooling groups' emissions as well. It's not quite as good as taking public transit, but is usually easier to do as you won't need to plan a totally new route. (151 words) - [Wren | Actions](/content/wren-co/actions/go-plant-based/index.html): Take climate action with Wren. (317 words) - [Wren | Actions](/content/wren-co/actions/talk-to-your-landlord-about-installing-energy-efficient-appliances.html): Take climate action with Wren. (172 words) - [Wren | Actions](/content/wren-co/actions/buy-or-lease-an-electric-plug-in-hybrid-or-hybrid-car.html): Take climate action with Wren. (260 words) - [Wren | How we’re restoring and reforesting mangroves in Myanmar](/content/wren-co/blog/restoring-and-reforesting-mangroves-in-myanmar/index.html): Meet the team behind our Mangrove planting in Myanmar project, which restores and reforests a mangrove ecosystem in the Ayeyarwady Delta. (761 words) - [Wren | Eileen's Profile](/content/wren-co/profile/doilarose/index.html): Eileen joined Wren 48 months ago. View the project they're supporting and the impact they've had in reversing climate change! (395 words) - [Wren | Pushing climate policy and clean energy solutions](/content/wren-co/blog/pushing-climate-policy-and-clean-energy-solutions/index.html): As we navigate through 2024, a major election year in many parts of the world, climate policy faces an uncertain future. Thankfully, Clean Air Task Force continues to push for sustainable climate policy and solutions worldwide. (539 words) - [Wren | Community agroforestry in Timor-Leste](/content/wren-co/projects/community-agroforestry/index.html): Create forests that support ecosystems & farmers, restoring degraded land and pulling CO2 out of the atmosphere. (2,222 words) - [Wren | Bird’s Eye View | What is a carbon offset?](/content/blog-wren-co/posts/what-is-a-carbon-offset/index.html): Is it really possible to make up for carbon emissions? In the first post of a three-part series, here's a look at the wide variety of projects trying to do just that. (1,511 words) - [Wren | Destroying 38,309 tonnes of CO₂e to build a cooler, safer planet](/content/wren-co/blog/destroying-38309-tonnes-of-co2e-to-build-a-cooler-safer-planet.html): To date, our partner A-Gas has destroyed 20,857 pounds of HCFC-22 on behalf of Wren subscribers, equivalent to 38,309 tonnes of CO₂e. Here's how that adds up. (867 words) - [Our Projects | Wren](/content/wren-co/projects/recoolit/index.html): Meet the projects that Wren members support to remove CO2 from the atmosphere. (17 words) - [Wren | How we’re protecting 2.5M hectares of rainforest—that’s 7,000× the size of Central Park](/content/wren-co/blog/protecting-extra-hectares-of-amazon-rainforest/index.html): The expansions of the Rainforest Alert program into the Santa Clotilde region and Monterrico de Angoteros community will help protect an extra 2.5M hectares of Amazon rainforest. (626 words) - [Wren | Conserving mangroves and saving turtles in Mexico](/content/wren-co/blog/conserving-mangroves-and-saving-turtles-in-mexico/index.html): Get up to speed on the new project’s mangrove monitoring System, Blue Spaces program, and turtle monitoring and conservation efforts. (1,019 words) - [tree-orders | Wren API](/content/wren-co/docs/api/tree-orders/index.html): Wren API documentation: tree-orders (451 words) - [offset-orders | Wren API](/content/wren-co/docs/api/offset-orders/index.html): Wren API documentation: offset-orders (586 words) - [Wren | How you’re making a difference at COP27](/content/wren-co/blog/catf-at-cop27/index.html): Clean Air Task Force (CATF), backed by the Wren Climate Portfolio, raises the standards for action plans presented at this year’s Conference of the Parties. (605 words) - [Wren | Advocating for Carbon Removal and Environmental Justice](/content/wren-co/blog/carbon-removal-and-environmental-justice/index.html): How Carbon180 is leading the charge in advocating for carbon removal and environmental justice, tackling the climate crisis head-on. (835 words) - [Wren | The key to fighting climate change](/content/wren-co/blog/the-key-to-fighting-climate-change/index.html): In order to combat this crisis, we need to accept just how big the problem is. (884 words) - [project-orders | Wren API](/content/wren-co/docs/api/project-orders/index.html): Wren API documentation: project-orders (323 words) - [Quickstart | Wren API](/content/wren-co/docs/api/quickstart/index.html): Wren API documentation: Quickstart (482 words) - [Wren | How can climate policy make farmland better for the environment?](/content/wren-co/blog/202209c180-agroforestry/index.html): Funding policy that helps farmland sequester tons of carbon (literally). Our climate policy partner pushes for new farming practices that are better for the planet. (427 words) - [project-donations | Wren API](/content/wren-co/docs/api/project-donations/index.html): Wren API documentation: project-donations (142 words) - [Wren | Actions](/content/wren-co/actions/support-agriculture-act-now-for-tsp-access-and-climate-resilience.html): Take climate action with Wren. (704 words) - [Wren | Hannah's Profile](/content/wren-co/profile/hannahbrown/index.html): Hannah joined Wren 54 months ago. View the project they're supporting and the impact they've had in reversing climate change! (177 words) - [purchases | Wren API](/content/wren-co/docs/api/purchases/index.html): Wren API documentation: purchases (118 words) - [Wren | Actions](/content/wren-co/actions/choose-eco-friendly-pet-waste-disposal/index.html): Take climate action with Wren. (598 words) - [Wren | Wren Classic Portfolio Update: September 2025](/content/wren-co/blog/wren-classic-portfolio-update-september-2025/index.html): Our newest project, Improved forest management in Maine, helps landowners shift from short-rotation harvest cycles (pulp and paper) to longer-term harvesting cycles (higher-value, long-lived wood products, like furniture). (186 words) - [Wren | Adding climate policy to Wren’s portfolio](/content/wren-co/blog/adding-climate-policy-to-wrens-portfolio/index.html): As of April 2022, Wren has portioned a percentage of its Climate Portfolio to support policy projects. (656 words) - [Wren | 4000 kg refrigerants destroyed and an island in Fortnite](/content/wren-co/blog/4000-kg-refrigerants-destroyed-and-an-island-in-fortnite.html): Together, we’ve destroyed a total of more than 4,000 kg of R12 and R11 refrigerants with our project partner, Tradewater (657 words) - [Wren | Actions](/content/wren-co/actions/ask-if-your-community-has-climate-disaster-resilience-planning.html): Take climate action with Wren. (421 words) - [Wren | Actions](/content/wren-co/actions/planet-friendly-party/index.html): Take climate action with Wren. (701 words) - [Wren | Actions](/content/wren-co/actions/spay-and-neuter-animals/index.html): Take climate action with Wren. (379 words) - [Wren | Actions](/content/wren-co/actions/pick-eco-conscious-pet-toys/index.html): Take climate action with Wren. (432 words) - [Wren | Actions](/content/wren-co/actions/contact-congress-support-the-reintroduction-of-the-energy-innovation-act.html): Take climate action with Wren. (422 words) - [Wren | Actions](/content/wren-co/actions/our-top-picks-to-switch-to-green-investments/index.html): Take climate action with Wren. (537 words) - [Wren | Actions](/content/wren-co/actions/add-the-dates-of-your-next-local-election-to-your-calendar.html): Take climate action with Wren. (140 words) - [Private page | Wren](/content/wren-co/profile/ravens/index.html): This page is private — only the person who created it can access it. (28 words) - [Wren | Actions](/content/wren-co/actions/good-climate-news-august-2025/index.html): Take climate action with Wren. (724 words) - [Wren | Actions](/content/wren-co/actions/3-easy-vegetarian-holiday-entrees/index.html): Take climate action with Wren. (333 words) - [Wren | What is El Niño?](/content/wren-co/blog/what-is-el-nino/index.html): El Niño is one piece in a long-term climactic pattern that influences the weather across the globe. (773 words) - [Wren | Actions](/content/wren-co/actions/assess-your-heat-risk/index.html): Take climate action with Wren. (299 words) - [Wren | Actions](/content/wren-co/actions/share-a-list-of-sustainable-gifts-youd-like-to-receive.html): Take climate action with Wren. (382 words) - [Wren | Actions](/content/wren-co/actions/how-to-buy-a-climate-friendly-fridge/index.html): Take climate action with Wren. (257 words) - [Wren | Actions](/content/wren-co/actions/climate-conscious-vacation/index.html): Take climate action with Wren. (324 words) - [Wren | Actions](/content/wren-co/actions/educate-yourself-on-plant-based-nutrition/index.html): Take climate action with Wren. (275 words) - [Wren | Actions](/content/wren-co/actions/use-biochar-in-your-garden/index.html): While we don't account for biochar application in our calculator, it is an action that will actually draw down small amounts of carbon! (717 words) - [Wren | Actions](/content/wren-co/actions/choose-an-eco-friendly-christmas-tree/index.html): Take climate action with Wren. (351 words) - [Wren | Actions](/content/wren-co/actions/find-plant-based-eateries/index.html): Take climate action with Wren. (389 words) - [Wren | Actions](/content/wren-co/actions/learn-the-impact-of-animal-proteins/index.html): Take climate action with Wren. (347 words) - [Wren | Actions](/content/wren-co/actions/learn-food-preservation-techniques/index.html): Take climate action with Wren. (299 words) - [Wren | Actions](/content/wren-co/actions/compost-your-food-scraps/index.html): Take climate action with Wren. (475 words) - [Wren | Actions](/content/wren-co/actions/optimize-food-storage/index.html): Take climate action with Wren. (439 words) - [Wren | Actions](/content/wren-co/actions/plan-to-prevent-food-waste/index.html): Take climate action with Wren. (327 words) - [Wren | Actions](/content/wren-co/actions/buy-clean-energy/index.html): Take climate action with Wren. (759 words) - [Wren | Actions](/content/wren-co/actions/use-upcycled-recyclable-or-reusable-gift-packaging/index.html): Take climate action with Wren. (222 words) - [Wren | Actions](/content/wren-co/actions/replace-your-heater-and-air-conditioner-with-a-heat-pump.html): Take climate action with Wren. (901 words) - [Wren | Actions](/content/wren-co/actions/give-experience-based-gifts/index.html): Take climate action with Wren. (177 words) - [Wren | Actions](/content/wren-co/actions/clean-up-your-local-power-grid-with-community-solar.html): When a community solar project goes live, it sends energy to your utility in exchange for savings credits that get passed on to you. This puts more renewables on the grid, and cleans up the energy mix you use every day. (317 words) - [Wren | Actions](/content/wren-co/actions/raise-your-refrigerator-temperature/index.html): Take climate action with Wren. (245 words) - [Wren | Actions](/content/wren-co/actions/how-to-choose-a-green-bank-our-top-recommendation/index.html): Take climate action with Wren. (219 words) - [Wren | Actions](/content/wren-co/actions/create-a-plant-based-summer-meal/index.html): Take climate action with Wren. (187 words) - [Wren | Actions](/content/wren-co/actions/make-the-most-of-your-leftovers/index.html): Take climate action with Wren. (304 words) - [Wren | Actions](/content/wren-co/actions/buy-local-and-in-season-produce/index.html): Take climate action with Wren. (285 words) - [Wren | Actions](/content/wren-co/actions/reduce-waste-with-shaving-alternatives/index.html): Take climate action with Wren. (648 words) - [Wren | Actions](/content/wren-co/actions/make-homemade-presents/index.html): Take climate action with Wren. (113 words) - [Wren | Actions](/content/wren-co/actions/back-to-school/index.html): Take climate action with Wren. (378 words) - [Wren | Actions](/content/wren-co/actions/how-to-buy-a-climate-friendly-air-conditioner/index.html): Take climate action with Wren. (478 words) - [Wren | Actions](/content/wren-co/actions/ask-your-favorite-brand-to-implement-waste-reducing-initiatives.html): Take climate action with Wren. (428 words) - [Wren | Actions](/content/wren-co/actions/send-electronic-cards/index.html): Take climate action with Wren. (294 words) - [Wren | Improved forest management in Maine](/content/wren-co/projects/improved-forest-management-in-maine/index.html): This project removes carbon dioxide from the atmosphere by partnering with private forest owners to help them keep their forests growing for longer. (1,874 words) - [Wren | Actions](/content/wren-co/actions/climate-emergency/index.html): Take climate action with Wren. (464 words) - [Turning former mines into safe, durable carbon sinks.](/content/wren-co/fundraisers/6e9c14fc-8b86-4835-81e5-0e8720fea904/index.html): From mine waste to climate solution: support Aquarry's breakthrough technology (628 words) - [Wren | Advancing carbon removal from policy protection to deployment](/content/wren-co/blog/advancing-carbon-removal-from-policy-protection-to-deployment.html): The Carbon Removal Alliance has published their mining technology and carbon removal work, including a full policy memo and accompanying educational content. (1,510 words) - [Wren | Carbon Removal Alliance](/content/wren-co/projects/carbon-removal-alliance/index.html): This project advances policies that support a diverse set of permanent, high-quality carbon removal technologies. (1,780 words) - [Wren | Actions](/content/wren-co/actions/find-and-save-plant-based-recipes/index.html): Take climate action with Wren. (152 words) - [Wren | Actions](/content/wren-co/actions/prioritize-fruits-and-veggies-over-meat/index.html): Take climate action with Wren. (329 words) - [Wren | Mangrove planting in Myanmar](/content/wren-co/projects/mangrove-planting-in-myanmar/index.html): This project reforests degraded mangrove ecosystems in Myanmar’s Ayeyarwady Division. (1,867 words) - [Wren | Actions](/content/wren-co/actions/inspire-action-with-social-media/index.html): Take climate action with Wren. (395 words) - [Wren | Actions](/content/wren-co/actions/how-to-dispose-of-a-fridge-properly/index.html): Take climate action with Wren. (241 words) - [Wren | Actions](/content/wren-co/actions/decrease-flight-emissions/index.html): Take climate action with Wren. (196 words) - [Wren | Actions](/content/wren-co/actions/brainstorm-sustainable-gift-options/index.html): Take climate action with Wren. (117 words) - [Wren | Actions](/content/wren-co/actions/carbon-pricing-2024/index.html): Take climate action with Wren. (742 words) - [Wren | Actions](/content/wren-co/actions/buy-or-generate-clean-energy/index.html): Take climate action with Wren. (193 words) - [Wren | Actions](/content/wren-co/actions/listen-to-our-favorite-podcasts-about-climate-change.html): Take climate action with Wren. (501 words) - [Wren | 5,000 tonnes of CO₂ set for removal, and a feature in Times Square](/content/wren-co/blog/5000-tons-of-co2-and-feature-in-times-square/index.html): Our project partner finished spreading enough basalt to remove thousands of tons of CO₂, and is getting recognition for their efforts! (474 words) - [Wren | Actions](/content/wren-co/actions/participate-in-community-science/index.html): You'll either be contributing to important biodiversity datasets available for research, or participating directly in a specific research project! (396 words) - [Wren | Actions](/content/wren-co/actions/what-you-can-do-about-refrigerants/index.html): Take climate action with Wren. (218 words) - [Wren | Actions](/content/wren-co/actions/ask-your-city-government-about-their-zero-waste-action-plan.html): Take climate action with Wren. (373 words) - [Wren | Actions](/content/wren-co/actions/install-a-microhydropower-system/index.html): Take climate action with Wren. (345 words) - [Wren | Actions](/content/wren-co/actions/watch-our-favorite-videos-about-climate-change/index.html): Take climate action with Wren. (121 words) - [Wren | Adipic acid nitrous oxide abatement](/content/wren-co/projects/adipic-acid/index.html): Help prevent highly-poluting nitrous oxide emissions from plastic production. (1,571 words) - [Wren | Actions](/content/wren-co/actions/subscribe-to-a-few-of-our-favorite-newsletters/index.html): Take climate action with Wren. (367 words) - [Wren | Catalyzing carbon removal solutions with biologicals, phytoplankton, and seaweed](/content/wren-co/blog/catalyzing-carbon-removal-solutions-with-biologicals-phytoplankton-and-seaweed.html): Wren supporters helped us surpass our $100,000 goal to fund three innovative startups to remove CO₂ from the atmosphere. (746 words) - [Wren | Actions](/content/wren-co/actions/check-out-one-of-our-favorite-books-on-climate/index.html): Take climate action with Wren. (371 words) - [Wren | Actions](/content/wren-co/actions/check-out-one-of-our-favorite-books-movies-or-podcasts-about-climate.html): Take climate action with Wren. (290 words) - [Wren | Biochar carbon removal](/content/wren-co/projects/biochar-carbon-removal/index.html): Help prevent California wildfires, while locking up carbon for thousands of years. (1,370 words) - [Wren | Actions](/content/wren-co/actions/follow-climate-scientists-and-authorities-on-social-media.html): Take climate action with Wren. (236 words) - [Wren | Actions](/content/wren-co/actions/check-if-your-supermarket-uses-hfcs/index.html): Take climate action with Wren. (206 words) - [Wren | Actions](/content/wren-co/actions/watch-one-of-our-favorite-movies-about-climate-change.html): Take climate action with Wren. (451 words) - [Wren | Carbon Gap](/content/wren-co/projects/carbon-gap/index.html): This project advances policies that maximize Europe’s contribution to the rapid and responsible global scale-up of carbon dioxide removal (CDR) needed for effective climate change mitigation. (1,639 words) - [Wren | Actions](/content/wren-co/actions/3-easy-zero-waste-wins/index.html): Take climate action with Wren. (455 words) - [Wren | Actions](/content/wren-co/actions/donate-unopened-non-perishable-food-to-a-local-food-bank-or-soup-kitchen.html): This helps divert food from the landfill to people who really need it, and is higher on the food recovery hierarchy than compost. (249 words) - [Wren | Actions](/content/wren-co/actions/our-recommendations-for-sustainable-groceries/index.html): Take climate action with Wren. (500 words) - [Wren | Actions](/content/wren-co/actions/everything-you-need-to-know-about-sustainable-certifications.html): Take climate action with Wren. (272 words) - [Wren | Piyush's Profile](/content/wren-co/profile/pjain415/index.html): Piyush joined Wren 49 months ago. View the project they're supporting and the impact they've had in reversing climate change! (174 words) - [Wren | Actions](/content/wren-co/actions/assess-your-flood-risk/index.html): Take climate action with Wren. (291 words) - [Wren | Actions](/content/wren-co/actions/get-a-small-wind-electric-system/index.html): Take climate action with Wren. (238 words) - [Wren | Actions](/content/wren-co/actions/donate-to-high-impact-advocacy-groups/index.html): Take climate action with Wren. (232 words) - [Wren | Actions](/content/wren-co/actions/join-an-activist-group/index.html): Take climate action with Wren. (244 words) - [Wren | Actions](/content/wren-co/actions/substitute-meat-for-a-plant-based-alternative-for-one-meal.html): Take climate action with Wren. (222 words) - [portfolios | Wren API](/content/wren-co/docs/api/portfolios/index.html): Wren API documentation: portfolios (186 words) - [Wren | Actions](/content/wren-co/actions/swap-cow-milk-for-a-plant-based-alternative/index.html): This action is pretty impactful for how easy it is. Swapping out your dairy can cut up to half a tonne of emissions. (367 words) - [Wren | Actions](/content/wren-co/actions/talk-to-friends-and-family-about-climate-change/index.html): It's hard to quantify the impact of one conversation, but it's undeniable that the major societal shift required to solve the climate crisis is going to happen without getting everyone on the same page. (344 words) - [Wren | Actions](/content/wren-co/actions/switch-to-a-climate-friendly-bank/index.html): By moving your bank account away from fossil fuel companies, you make it harder for them to get money to invest in new projects. You also send a signal to banks and investors that we must move away from fossil fuels. (256 words) - [Wren | Actions](/content/wren-co/actions/create-a-zero-waste-kit-to-carry-with-you/index.html): Take climate action with Wren. (189 words) - [Wren | Actions](/content/wren-co/actions/shop-at-a-waste-free-co-op/index.html): Take climate action with Wren. (160 words) - [Wren | Actions](/content/wren-co/actions/take-a-train-or-bus-instead-of-plane-for-your-trip-home.html): Take climate action with Wren. (176 words) - [Wren | Actions](/content/wren-co/actions/walk-or-bike-to-work/index.html): Take climate action with Wren. (215 words) - [Wren | Our Projects](/content/wren-co/projects/index.html): Meet the projects that Wren members support to remove CO2 from the atmosphere. (1,873 words) - [Wren | Actions](/content/wren-co/actions/good-climate-news-july-2026/index.html): Take climate action with Wren. (599 words) - [Wren | Actions](/content/wren-co/actions/use-public-transit-in-your-commute/index.html): Take climate action with Wren. (169 words) - [Wren | Actions](/content/wren-co/actions/replace-incandescent-light-bulbs-with-led-lighting/index.html): Take climate action with Wren. (282 words) - [Wren | Actions](/content/wren-co/actions/set-your-2026-climate-action-goals/index.html): Take climate action with Wren. (331 words) - [Wren | Enhanced weathering on rice paddies ](/content/wren-co/projects/enhanced-weathering-on-rice-paddies/index.html): This project spreads crushed rock on rice paddies in India, permanently removing CO₂ from the atmosphere and supporting smallholder farmers. (1,391 words) - [Wren | Forest resilience against wildfires](/content/wren-co/projects/forest-resilience-against-wildfires/index.html): This project restores and protects forests, watersheds, ecosystems, and communities in the Western United States. (1,456 words) - [Wren | Actions](/content/wren-co/actions/take-a-staycation/index.html): A round trip international flight emits almost as much carbon as the average person emits in a whole year. (222 words) - [Wren | Actions](/content/wren-co/actions/cut-out-red-meat-from-your-diet/index.html): Cutting out red meat will cut your carbon footprint by on average 6%. (246 words) - [Wren | Webinar replay: Help turn toxic mines into safe carbon sinks](/content/wren-co/blog/carbon-removal-philanthropy-help-turn-toxic-mines-into-safe-carbon-sinks.html): Wren hosted a fireside chat webinar with guest speakers from Aquarry, Isometric, the Carbon Removal Alliance, and BAIE Minerals to discuss unpack how our third Slingshot fundraiser recipient leading on a novel carbon dioxide removal pathway. (308 words) - [Wren | Actions](/content/wren-co/actions/getting-started-with-climate-action/index.html): There’s nothing more important than taking the next step. Even though some of these actions are small on their own, they’ll add up! (413 words) - [Wren | Actions](/content/wren-co/actions/buy-clothing-secondhand/index.html): Take climate action with Wren. (132 words) - [Wren | Actions](/content/wren-co/actions/unsubscribe-or-reduce-emails-from-marketing-emails-from-clothing-brands.html): Take climate action with Wren. (156 words) - [Wren | Actions](/content/wren-co/actions/buy-furniture-secondhand/index.html): Take climate action with Wren. (228 words) - [Wren | Actions](/content/wren-co/actions/try-meatless-mondays/index.html): Take climate action with Wren. (293 words) - [Wren | Actions](/content/wren-co/actions/use-a-reusable-water-bottle/index.html): Reusing a water bottle has a pretty small impact compared to some of the other actions on Wren, but it's a great place to start. (124 words) - [Wren | A look back at ‘An Inconvenient Truth,’ 20 years later](/content/wren-co/blog/a-look-back-at-an-inconvenient-truth-20-years-later.html): Al Gore’s famous documentary has mostly stood the test of time. (1,787 words) - [Wren | Actions](/content/wren-co/actions/assess-your-hurricane-risk/index.html): Take climate action with Wren. (218 words) - [Wren | Actions](/content/wren-co/actions/get-solar-panels/index.html): Depending on your setup, you might generate more energy than you need. All the excess energy could be used by others! (494 words) - [Wren | Actions](/content/wren-co/actions/install-weather-strips/index.html): Take climate action with Wren. (86 words) - [Wren | Why Wren is a Public Benefit Corporation](/content/wren-co/blog/why-wren-is-a-public-benefit-corporation/index.html): A Public Benefit Corporation is a new type of legal entity that lets Wren have a legally binding mission while still being able to raise outside investment, allowing us to focus on impact. (652 words) - [Wren API Documentation | Wren](/content/wren-co/docs/api/index.html): Wren API documentation for carbon offset integrations. (811 words) - [Wren | Enhanced rock weathering](/content/wren-co/projects/enhanced-mineral-weathering/index.html): This project spreads crushed silicate rocks such as basalt on agricultural land, speeding up the Earth’s natural weathering cycle, and permanently removing carbon from the atmosphere. (884 words) - [Wren | Tech-enabled rainforest protection](/content/wren-co/projects/tech-enabled-rainforest-protection/index.html): Help indigenous communities protect their Amazon rainforest home by funding satellite imagery, drones and monitoring tools. (861 words) - [Wren | Offset your carbon footprint](/content/wren-co/9b68b7e0f3cd4f289a1f2e2471d424e6/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (17 words) - [Wren | Actions](/content/wren-co/actions/completed/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (59 words) - [How Jameo achieves a 40× ROI on their Wren Climate API spend.](/content/wren-co/business/jameo-case-study/index.html): Jameo makes hyper custom clothing for businesses. They have incorporated a forward thinking approach within their business model by understanding the growing importance of sustainability in business. (644 words) - [Wren | Clean Air Task Force](/content/wren-co/projects/clean-air-task-force/index.html): Improving the transparency and scientific integrity of carbon removal and climate solutions through open data and tools. (889 words) - [Wren | Actions](/content/wren-co/actions/saved/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (60 words) - [Wren | Actions](/content/wren-co/actions/use-reusable-bags/index.html): Reusing a bag has a pretty small impact compared to other actions on Wren, but it's a good place to start. (357 words) - [Wren | Actions](/content/wren-co/actions/summer-2026-climate-reading-challenge/index.html): Take climate action with Wren. (427 words) - [Wren | Wren acquires Tomorrow’s Air, a travel industry carbon removal service](/content/wren-co/blog/wren-tomorrows-air-acquisition/index.html): Wren is proud to announce the acquisition of Tomorrow’s Air, a climate solution service built by the Adventure Travel Trade Association (ATTA). The ATTA is a vital leadership voice and partner for the outdoor and adventure travel industry around the world. (466 words) - [Wren | Underground biomass storage](/content/wren-co/projects/underground-biomass-storage/index.html): This project dries and compresses biomass into dense blocks of carbon and stores them underground. (807 words) - [Wren | Actions](/content/wren-co/actions/replace-your-water-heater-with-an-electric-heat-pump-water-heater.html): Take climate action with Wren. (559 words) - [Wren | What our projects are working toward in 2026](/content/wren-co/blog/what-our-projects-are-working-toward-in-2026/index.html): Looking to the new year, Wren subscribers will help scale climate solutions, advocate for smart policy, and protect nature-based projects that deliver real, measurable impact. (1,255 words) - [Wren for Business](/content/wren-co/teams/contact/corporate-giving/index.html): Wren is a simple climate platform for business. (92 words) - [Wren | Helping 37 small landowners turn 20,000 acres into climate impact](/content/wren-co/blog/helping-37-small-landowners-turn-20-000-acres-into-climate-impact.html): The Wren team spent a day exploring the woods of one of the pilot forests, discussing forest management strategies, and seeing long-term stewardship in action. (1,564 words) - [Wren | Actions](/content/wren-co/actions/assess-your-wildfire-risk/index.html): Take climate action with Wren. (316 words) - [Wren for Business](/content/wren-co/teams/contact/api-integrations/index.html): Wren is a simple climate platform for business. (92 words) - [Wren | Actions](/content/wren-co/actions/plan-to-replace-a-household-item-with-a-lower-impact-alternative.html): Take climate action with Wren. (311 words) - [Wren | Actions](/content/wren-co/actions/take-an-online-climate-course/index.html): Take climate action with Wren. (180 words) - [Wren | Carbon180](/content/wren-co/projects/carbon180/index.html): Improving the transparency and scientific integrity of carbon removal and climate solutions through open data and tools. (659 words) - [Wren | Building the policy foundations for carbon dioxide removal in Europe](/content/wren-co/blog/building-the-policy-foundations-for-carbon-dioxide-removal-in-europe.html): Achieving net-zero will require a dedicated, high-standard European Union CDR strategy. Our partner’s 18 policy recommendations help prioritize actions to reach these climate goals. (1,355 words) - [Wren | Actions](/content/wren-co/actions/vote-in-every-election-and-make-sure-your-friends-vote.html): Take climate action with Wren. (277 words) - [Wren | Actions](/content/wren-co/actions/create-sustainable-holiday-decorations/index.html): Take climate action with Wren. (218 words) - [Wren | Community-led conservation in Baja California Sur](/content/wren-co/blog/community-led-conservation-in-baja-california-sur/index.html): Your support mobilized local students, teachers, and families to help restore mangroves in Baja California Sur. In this latest community-led effort, participants planted 1,230 red mangrove propagules across key coastal sites. (1,172 words) - [Wren for Business](/content/wren-co/teams/contact/one-off-purchases/index.html): Wren is a simple climate platform for business. (29 words) - [Wren | Actions](/content/wren-co/actions/use-led-lights-for-the-holidays/index.html): Take climate action with Wren. (152 words) - [Wren | Funded it First: Wren-supported projects receive A+ ratings, XPRIZEs, backing from Microsoft and Google](/content/wren-co/blog/wren-projects-receive-a-ratings-xprizes-backing-from-microsoft-and-google.html): At Wren, we recently surpassed $20 million raised for climate solutions. This milestone is a reflection of our growing community of individuals, companies, and partners who believe in taking action on the climate crisis and driving sustainable systems c... (2,159 words) - [Wren for Business](/content/wren-co/teams/contact/custom-deal/index.html): Wren is a simple climate platform for business. (54 words) - [Wren | What distinguishes a high-quality carbon offset?](/content/wren-co/blog/posts/what-distinguishes-a-high-quality-carbon-offset/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (1,469 words) - [Wren for Business](/content/wren-co/teams/contact/brand-partner/index.html): Wren is a simple climate platform for business. (93 words) - [Wren | 5 million more tonnes of CO₂e avoided and counting](/content/wren-co/blog/5-million-more-tonnes-of-co-e-avoided-and-counting/index.html): Since our last update on this project, our partner has reduced over five million tonnes of emissions with Adipic acid nitrous oxide abatement! Our project partner has also just passed the 50 million credits issued milestone since their founding. (696 words) - [Wren | Actions](/content/wren-co/actions/hidden/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (59 words) - [Wren | Refrigerant destruction](/content/wren-co/projects/refrigerant-destruction/index.html): Help find and destroy dangerous CFC-12 refrigerants before they leak into the atmosphere. (2,506 words) - [Wren | Actions](/content/wren-co/actions/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (1,764 words) - [Wren | Wren's approach to *growing* trees for climate action](/content/wren-co/blog/tree-growing/index.html): By meticulously vetting *tree-growing* projects and emphasizing holistic restoration, Wren will avoid the common pitfalls of ill-planned tree-planting projects (1,114 words) - [Wren | Wren proudly invests in Pacific Biochar to scale carbon removal](/content/wren-co/blog/pacific-biochar-investment/index.html): Wren has made its first-ever investment into a climate company, providing capital to help Pacific Biochar scale and remove 4× more carbon by 2026. (898 words) - [Wren | How wood residues create clean energy, biochar, and jobs](/content/wren-co/blog/how-wood-residues-create-clean-energy-biochar-and-jobs.html): A new production facility, Hat Creek Bioenergy, is on! Once the commissioning refinements are finished, the project is expected to produce over 5,000 tonnes of bone dry biochar and up to 15,000 tonnes of durable carbon dioxide (CO₂) removal per year. (517 words) - [Wren | Certification Standards Archive](/content/wren-co/certification/archive/index.html): Wren is always looking to maximize your impact. And today, we’re taking a big step forward by reframing what it means to offset carbon, and more broadly, what it means to take climate action. (169 words) - [Wren for Business](/content/wren-co/teams/contact/climate-positive-workforce/index.html): Wren is a simple climate platform for business. (41 words) - [Trailblazer | Wren](/content/wren-co/portfolios/trailblazer/index.html): A portfolio focused on cutting-edge carbon removal technology. (1,791 words) - [Wren | How Aquarry can fight climate change with the Wren Slingshot](/content/wren-co/blog/how-aquarry-can-fight-climate-change-with-the-wren-slingshot.html): In November, Wren visited Aquarry's lab in Colorado. Our co-founder, Benjamin Stanfield, sat down with their founder and CEO, Dr. Kate Murphy, to discuss how this Wren Slingshot will best support their first full carbon removal project. (334 words) - [Wren | Announcing our $4.9 million round & ways it will grow the Wren community](/content/wren-co/blog/announcing-our-4-9-million-round-ways-it-will-grow-the-wren-community.html): We're excited to announce our latest fundraise! When we started Wren, we knew we’d need to raise investment to attract the best team in the world to maximize our impact. (649 words) - [Wren | Wren financial report: year two](/content/wren-co/blog/wren-financial-report-year-two/index.html): Over the past 12 months, Wren brought in $760,000 to fund projects that reduce or remove CO2 emissions. (610 words) - [Wren | Receive your gift](/content/wren-co/gifts/receive/1077/index.html): Offset the carbon footprint of a friend or loved one by funding carbon reduction projects! (132 words) - [Wren | Wren financial report: year four](/content/wren-co/blog/wren-financial-report-year-four/index.html): In Year 4, Wren brought in $4.2M to fund projects that reduce or remove CO₂ emissions. (522 words) - [Wren | Wren financial report: year one](/content/wren-co/blog/year-1-financial-report/index.html): We're committed to being transparent about our impact, business model, and spending. This report explains how much funding we received in the 12 months since we launched, and where it went. (597 words) - [Wren | Wren financial report: year five](/content/wren-co/blog/wren-financial-report-year-five/index.html): In year five, Wren subscribers have contributed $5.6M to fight climate change. (428 words) - [Wren | Wren financial report: year three](/content/wren-co/blog/wren-financial-report-year-three/index.html): Over the past 12 months, Wren brought in $2.33M to fund projects that reduce or remove CO2 emissions. (535 words) - [Wren | Wren acquires Climaider consumer app, welcomes new users to community](/content/wren-co/blog/wren-climaider-acquisition/index.html): A few months ago, we had the opportunity to acquire members from Climaider, a carbon offset company based in Copenhagen, Denmark that shares many of Wren’s values. (419 words) - [Wren | Impact live feed](/content/wren-co/impact/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (306 words) - [Wren | Wren acquires Klima to amplify climate impact](/content/wren-co/blog/wren-klima-acquisition/index.html): Wren is expanding our community by acquiring Klima, a Germany-based consumer climate company that has helped thousands of people offset emissions since 2019. This marks our second acquisition within the last year, reinforcing our commitment to nurturing... (395 words) - [Wren | Terms of Use](/content/wren-co/terms-of-use/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (1,520 words) - [Wren | Project founder Josiah Hunt welcomes members to Wren's first U.S.-based climate project](/content/wren-co/blog/a-warm-welcome-to-wrens-first-u-s-based-climate-project-by-pacific-biochar-founder-josiah-hunt.html): Hello Wren members! I'm thrilled that you have decided to support Pacific Biochar in our carbon removal efforts. (437 words) - [Wren for Business](/content/wren-co/teams/business/index.html): Wren is a simple climate platform for business. (755 words) - [Wren | Wren Trailblazer Portfolio Update: November 2025](/content/wren-co/blog/november-2025-wren-trailblazer-update/index.html): Good News! We've tweaked the Wren Trailblazer Portfolio to pair each in-progress offset of durable carbon dioxide removal with one certified offset generated from a super pollutant mitigation project. (206 words) - [Wren | Offset your carbon footprint](/content/wren-co/offset-anything/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (671 words) - [Climate philanthropy for Earth’s biggest challenge](/content/wren-co/collective/donate/index.html): Join a donor community funding ambitious climate solutions that remove carbon and improve livelihoods (129 words) - [Wren | Wren Classic Portfolio Update: December 2025](/content/wren-co/blog/wren-classic-portfolio-update-december-2025/index.html): Our newest project, Carbon Gap, fills a crucial void by working with policymakers, regulators, and scientific experts to ensure Europe adopts the robust climate policy. (222 words) - [Wren | Gifts](/content/wren-co/gifts/index.html): Offset the carbon footprint of a friend or loved one by funding carbon reduction projects!, Offset the carbon footprint of a friend or loved one by funding CO₂ reduction projects. (566 words) - [Wren | Wren Classic Portfolio updates (May 2026)](/content/wren-co/blog/wren-classic-portfolio-updates-may-2026/index.html): Every now and then, we update the Wren Classic Portfolio that subscribers support, to ensure we're funding the best projects possible. This does not change your subscription price and there's no action required, except to read on if you're curious. (148 words) - [Wren | API](/content/wren-co/wren-api/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (469 words) - [Wren Classic Portfolio | Wren](/content/wren-co/portfolios/universal-fund/index.html): Support a rigorously vetted portfolio of carbon removal, offsets, climate policy, and conservation projects. (865 words) - [Wren | Our view on offsets](/content/wren-co/offsets/index.html): The problems & promise of carbon offsets. (1,249 words) - [Wren | The layers of climate impact: Wren 2025+ Standard](/content/wren-co/certification/index.html): Wren is always looking to maximize your impact. And today, we’re taking a big step forward by reframing what it means to offset carbon, and more broadly, what it means to take climate action. (768 words) - [Wren | Offset your carbon footprint](/content/wren-co/blog/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (443 words) - [Wren | Our approach](/content/wren-co/our-approach/index.html): Wren lets you fund the best climate solutions and start taking action. (675 words) - [Wren | Public Benefit Charter](/content/wren-co/charter/index.html): Wren's success as a business is measured by impact, not profit. That's why we reincorporated in 2020 as a Benefit Corporation and wrote this legally binding charter. (545 words) - [Wren | How Wren insures climate impact](/content/wren-co/blog/wren-partners-with-kita/index.html): Wren is taking a practical approach to managing risk and uncertainty, partnering with Kita to insure our pre-purchased credits. (713 words) - [Wren | Privacy Policy](/content/wren-co/privacy-policy/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (707 words) - [Wren | Wren's 2026 Request for Proposals](/content/wren-co/blog/2026-request-for-proposals/index.html): Wren invites organizations working to implement climate solutions to apply to our 2026 request for proposals. Expressions of interest are open now through June 30, 2026. (577 words) - [Climate philanthropy for Earth’s biggest challenge](/content/wren-co/collective/index.html): Join a donor community funding ambitious climate solutions that remove carbon and improve livelihoods (667 words) - [Wren | Wren financial report: year six](/content/wren-co/blog/wren-financial-report-year-six/index.html): Wren subscribers made an incredible impact from June 2024-2025, contributing $4.9M to fight climate change. (507 words) - [Wren | Offset Flights With Trusted Climate Projects](/content/wren-co/flights/index.html): Offset flights you’ve taken by contributing to Wren’s portfolio of climate projects. (178 words) - [Wren | FAQ](/content/wren-co/faq/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (312 words) - [Wren | Wren leverages BeZero Carbon insights to improve carbon offset evaluation](/content/wren-co/blog/wren-partners-with-bezero/index.html): Wren recently made the decision to strengthen its carbon offset evaluation process by leveraging BeZero Carbon’s intelligence platform. (394 words) - [Wren | Calculate your footprint](/content/wren-co/calculator/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (46 words) - [Wren | Climate Action](/content/wren-co/continue/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (44 words) ## Listings & Categories - [Wren | Combining three layers of climate impact](/content/wren-co/certification/archive/202308/index.html): Wren is always looking to maximize your impact. And today, we’re taking a big step forward by reframing what it means to offset carbon, and more broadly, what it means to take climate action. (811 words) ## About Pages - [Wren | About Us](/content/wren-co/about/index.html): Wren helps you calculate and offset your personal carbon emissions through a monthly subscription. (1,935 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/robots.txt): Crawler directives