Wren makes it dead simple for individuals to calculate and offset their carbon footprint. You answer a few questions about your lifestyle, Wren calculates your annual carbon emissions, and then offers a monthly subscription to fund verified carbon removal and reduction projects. It is the climate equivalent of a gym membership — you pay a small amount every month and hope it makes a difference. The projects are real, the impact is measurable, and the subscription model means Wren has built a climate business with recurring revenue.
Founded
2019
HQ
San Francisco, USA
Total Raised
$10 million
Founder
Landon Brand, Mimi Tran Zambetti, Ben Stanfield
Status
Private
Website
www.wren.coTHE ORIGIN STORY
Landon Brand, Mimi Tran Zambetti, and Ben Stanfield started Wren in 2019 as a Y Combinator startup after realizing that individual climate action was either too complicated or too expensive. Most people wanted to help with climate change but did not know how.
Wren simplified it to a monthly subscription: calculate your footprint, subscribe to offset it. The company curates a portfolio of carbon projects (biochar, direct air capture, forest protection, clean cookstoves) and distributes subscriber funds across them.
WHAT THEY ACTUALLY DO
Consumer subscription model. Individuals pay $20-30/month (or custom amounts) to offset their carbon footprint.
Wren takes a margin on the subscription and distributes the rest to verified carbon projects. The company also offers Wren for Teams (corporate plans) and earns from partnerships with climate project developers.
THE PRODUCTS
Wren Carbon Calculator (personal footprint quiz). Monthly Offset Subscription.
Project Portfolio (biochar, direct air capture, forest protection, clean cookstoves). Impact Dashboard (track your offset history).
Wren for Teams (corporate offset plans).
HOW THEY GREW
Content marketing and viral adoption. Wren grew through YouTube partnerships, social media content, and word-of-mouth.
The carbon footprint calculator is free and shareable — people take the quiz, share results, and drive new sign-ups. Partnerships with influencers and media coverage helped build awareness.
THE HARD PART
Subscription fatigue and proving impact. Convincing individuals to pay $20-30/month for something they cannot see or feel is challenging.
The carbon offset market's credibility problems (see Pachama's section) affect consumer trust. Wren must continuously prove its projects are effective and additional.
MONEY TRAIL
Seed
2020 · Led by Y Combinator
$3M raised
Series A
2022 · Led by Various
$7M raised
WHO BACKED THEM
Backed by Y Combinator, Mark Cuban, and various climate-focused angel investors. The company has raised modestly and focused on unit economics.
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