Wren helps you take simple, effective climate action.

Calculate and offset your carbon footprint through a monthly subscription.

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Wren helps you take simple, effective climate action.

Wren is your all-in-one
climate subscription.

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Join the people who signed up this month!

$8M+

Raised for projects

2M+

Contributions

28K+

Supporters

550K+

Tons of CO₂ offset
1

Calculate your carbon footprint.

Use our intuitive calculator to find out how much CO₂ you emit.

Data & research courtesy of:partners

You planted 🌳 8 trees this month in East Africa and Scotland!

2

Start a monthly subscription to fund climate solutions.

Maximise your impact by funding the climate solutions our planet needs.

3

See your impact grow every month.

Receive updates that show how you’re making a positive impact on the climate.

Browse 100+ impact updates →

1. Work out your carbon footprint

Use our simple calculator to find out how much CO₂ you emit.

2. Fund projects that remove CO₂

Fund carbon reduction & removal projects to neutralize your emissions.

3. See your impact grow

Receive updates with data, photos, and stories that prove your impact.

The climate crisis is a global problem. Be part of the solution.

Get started

Members from 100+ countries love using Wren!

Click on a face to read a review.

Armin Samii

@ArminSamii

New company but 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.

Our goal is to make climate action simple & effective.

Protect rainforest in the Amazon


Wren members fund a project that works with indigenous peoples to protect their land, a natural carbon sink.

We search the globe for climate projects with the biggest potential.

All Wren projects meet three rigorous criteria:

Precise tracking

We carefully check how much CO₂ is offset by each project, so we can promise you lasting impact.

Regular updates

We get data straight from projects on the ground, so you can track your impact, month by month.

Every dollar makes a difference

Our projects wouldn't happen without your support. With Wren, your money makes a real impact.

Then, we send you personalized updates every month.

Each update is filled with:

Pictures

You don't have to imagine your impact. You can see it each month.

Data

We share the details with you. Count every tree planted, every acre reforested, every ton of carbon offset.

Stories

Read stories fresh from farm or forest. See how your choices don't just help the earth. They change lives too.

Store carbon in basalt rock


Wren members are funding innovative new ways to capture and store carbon.

Our projects partner with the best in the business:

All our work is public.

We’re a Benefit Corporation with a legally-binding charter. It doesn’t get more transparent than that.

We share every transaction

Check our impact live-feed. Every transaction has a paper trail.


View live-feed →

We show our work

Read about our revenue and funding in our new metrics recap.


View report →

We publish every receipt

See every carbon credit we purchase on our receipt ledger.


View receipts →



Frequently Asked Questions


What happens once I subscribe?

As a subscriber, you fund carbon reduction projects. Each month, we send out an "impact update" email sharing the progress being made from your funding. You can learn more about our projects by visiting our Projects page.

How much does it cost to offset my carbon footprint?

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

How does your business model work?


We all have a part to play. Take climate action today.

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