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Join Wren and your first month is free.

Wren is the platform for climate action.

Offset and remove carbon, reduce your footprint, track impact, and much more.

Discover your carbon footprint.

Use our intuitive carbon calculator to find out how much CO2e your lifestyle emits.

Fund the most impactful climate solutions.

Wren evaluates hundreds of projects each year and picks only the best.

Track your impact and stay in the loop.

Wren sends monthly project updates so you know what your funding accomplished.

Wren helps individuals, businesses, philanthropists take action.

For individuals

Easily calculate, reduce, and offset your carbon footprint.

For business

Fund certified carbon removal, share your climate impact with your audience, and more.

For philanthropists

Craft a climate giving strategy and donate via a donor-advised fund.

Wren asks a series of questions to determine how much carbon you emit.— New York Times

Fighting the climate crisis is important

I really like how Wren contextualizes the offsets, and I look forward to seeing what new projects they start funding!— Ann

Wren is making it easier for consumers to offset their carbon emissions.— Wired Magazine

Seems incredibly transparent and realistic

Looked into other carbon offsets and felt they were just doing lip service [...]. Wren feels real, with obvious, researchable, meaningful offsets.— Armin Samii

This is a hard industry to trust.

I've been subscribed to Wren for over a year now and they have earned my trust. They are very transparent with where the money is going, and I receive constant updates on the projects I'm helping to fund. It seems like the real deal to me.— Ryan Dougherty

Wren takes care of the vetting process, allowing you to pay a monthly subscription to cover real, tangible carbon offsets.— Treehugger

Feel really connected with where your dollar goes.

Wren has figured out the balance of offsetting your carbon emissions in both a simple and educational way [...]. Their project updates are awesome.— Sally Rogers

Superb level of transparency

I'm normally skeptical of carbon offsets but Wren is super legit. Superb level of transparency on the governance side, and well thought-out projects for maximum impact.— Jhett Koo

Wren is very open with both their intention, their processes and their execution. Very impressed with this service over the past year, will not only continue to be part of it but will increase my contribution.— Korey Krauskopf

I reviewed about a dozen other carbon offset platforms out there, but none of the others gave me the level of transparency into the underlying projects as Wren. I’m a happy subscriber!— Paul Yacoubian

The Wren Difference

Wren searches the globe for solutions with the most potential...

Selecting projects that meet Wren’s strict criteria...

No double counting

Every carbon credit purchased by Wren is logged in a public ledger.

Measurable results

The quantity of impact is based on peer-reviewed science.

Additionality

If a project is profitable on its own, it's not eligible for Wren.

Lasting impact

Projects must keep carbon out of the atmosphere for 100+ years.

So thousands of members can take action with confidence.

Wren’s approach delivers world-class results.

34,592

Wren supporters worldwide.

$23,990,807

Raised from supporters.

988,124

Tonnes of CO2e removed or avoided.

#1

Social Impact Product of the Year

(Product Hunt)

75,576

Climate actions completed.

1,041,814

Carbon footprints calculated.

Wren’s work is done publicly and verifiably.

Project updates

Every month, Wren publishes fresh updates on project from our portfolios.

Robust certification

Wren works with third-party analysts to ensure carbon projects have the impact they claim.

Project insurance

To mitigate risk, Wren purchases insurance from Kita to guarantee impact for select projects.

Public Benefit Corporation

Wren is a registered PBC in the United States with a legally-binding charter.

Public financial reports

Every year, Wren publishes a detailed breakdown of expenses and revenue.

Public receipt ledger

Every payment made to a Wren project partner is logged in our public receipt ledger.

Frequently asked questions

For individuals

How does Wren's business model work?

What happens once I subscribe?

Is every payment on Wren tax-deductible?

No. Our primary Wren Classic and Wren Trailblazer offsetting portfolios are not tax-deductible. However, the Wren Climate Collective is a fiscally-sponsored 501(c)(3) non-profit with donations tax-deductible in the United States.

How much does it cost to offset my carbon footprint?

What else can I do to help end the climate crisis?

For business

How much does it cost to offset my carbon footprint?

Can my business pay for just the parts of Wren that we need?

Yes. Wren is designed to specifically fill the gaps in your existing climate plan. If you only need one of the services we provide, you only need to pay for that service. If you need more, you can always expand your plan.

Where can I learn more about Wren’s carbon projects?

Can my business make project recommendations?

What if I don’t see the solution I need on this page?

Help solve the climate crisis with Eric. Start your climate journey today.

For individuals

Easily calculate, reduce, and offset your carbon footprint.

For business

Fund certified carbon removal, share your climate impact with your audience, and more.

For philanthropists

Craft a climate giving strategy and donate via a donor-advised fund.

Wren asks a series of questions to determine how much carbon you emit.— New York Times