Co2 Foundation Grants

Private foundation · EIN 83-3981914 · IRS 990-PF filings through tax year 2025

Total grants paid: $3.3M
Grants reported: 61
Typical grant: $50K
Future commitments: $151K

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How to apply

This foundation publishes application instructions on its latest 990-PF and does not report restricting giving to preselected organizations. See more foundations that accept applications.

Contact: Karen Wolfgang
Address: 2442 NW MARKET ST 971 SEATTLE, WA, 98107
Phone: (601) 342-0234
Email: GRANTS@CO2FOUNDATION.ORG
Deadlines: One funding opportunity per year, with a soft close date 3 months after opportunity is posted.
Application materials: Letters of inquiry are submitted online at https://co2foundation.org/grants/ and full proposals requested after review, within 45 days. The full proposal form is due via email within 30 days of its mailing to applicants.
Restrictions: We provide project-based seed funding to help nonprofit or academic organizations pilot projects that have the potential to deliver game-changing, scientifically sound responses to the global climate emergency. We generally have one open funding opportunity at a time; we consider letters of inquiry outside open funding opportunities, but encourage applicants to match their proposals with our current focus area. Typical grant size is between $25,000-100,000. In addition to this funding, co2 foundation supports grantees by helping to forge connections to other innovators and offering a platform for increased visibility. Funding is available to nonprofit organizations that are registered as a U.S. 501(c)(3). Eligible projects will be fully planned and ready for a proof-of-concept pilot. Note: individuals and organizations with a compelling project May also partner with a nonprofit organization as a fiscal sponsor.

Original filing text

Contact: KAREN WOLFGANG
Address: 2442 NW MARKET ST 971 SEATTLE, WA, 98107
Phone: 6013420234
Email: GRANTS@CO2FOUNDATION.ORG
Deadlines: ONE FUNDING OPPORTUNITY PER YEAR, WITH A SOFT CLOSE DATE 3 MONTHS AFTER OPPORTUNITY IS POSTED.
Application materials: LETTERS OF INQUIRY ARE SUBMITTED ONLINE AT HTTPS://CO2FOUNDATION.ORG/GRANTS/ AND FULL PROPOSALS REQUESTED AFTER REVIEW, WITHIN 45 DAYS. THE FULL PROPOSAL FORM IS DUE VIA EMAIL WITHIN 30 DAYS OF ITS MAILING TO APPLICANTS.
Restrictions: WE PROVIDE PROJECT-BASED SEED FUNDING TO HELP NONPROFIT OR ACADEMIC ORGANIZATIONS PILOT PROJECTS THAT HAVE THE POTENTIAL TO DELIVER GAME-CHANGING, SCIENTIFICALLY SOUND RESPONSES TO THE GLOBAL CLIMATE EMERGENCY. WE GENERALLY HAVE ONE OPEN FUNDING OPPORTUNITY AT A TIME; WE CONSIDER LETTERS OF INQUIRY OUTSIDE OPEN FUNDING OPPORTUNITIES, BUT ENCOURAGE APPLICANTS TO MATCH THEIR PROPOSALS WITH OUR CURRENT FOCUS AREA. TYPICAL GRANT SIZE IS BETWEEN $25,000-100,000. IN ADDITION TO THIS FUNDING, CO2 FOUNDATION SUPPORTS GRANTEES BY HELPING TO FORGE CONNECTIONS TO OTHER INNOVATORS AND OFFERING A PLATFORM FOR INCREASED VISIBILITY. FUNDING IS AVAILABLE TO NONPROFIT ORGANIZATIONS THAT ARE REGISTERED AS A U.S. 501(C)(3). ELIGIBLE PROJECTS WILL BE FULLY PLANNED AND READY FOR A PROOF-OF-CONCEPT PILOT. NOTE: INDIVIDUALS AND ORGANIZATIONS WITH A COMPELLING PROJECT MAY ALSO PARTNER WITH A NONPROFIT ORGANIZATION AS A FISCAL SPONSOR.

Reported organization name: CO2 FOUNDATION

Application information: https://co2foundation.org/GRANTS/

Giving by tax year

Year-level totals across every reported grant in this profile — a summary, not a filter. The awards further down are the largest individual grants across all years, not each year's complete list.

Tax year	Grants paid	Amount
2025	34	$2.3M
2024	27	$1M

Where Co2 Foundation gives

States of grant recipients reported on the foundation's 990-PF filings, by dollars received.

Washington$813KMassachusetts$454.3KCalifornia$361KOregon$282.8KNew Jersey$240K

Largest reported grants

Historical awards reported to the IRS. These are examples of past giving, not open opportunities.

Climate Central Inc

PRINCETON, NJ

$190KTax year 2025

Grant purpose

Continuing sea surface temperature attribution modeling, connecting with extreme weather events. / expand our reach to new audiences with webinars, social media, and event-specific tools that will strengthen public understanding and help communities plan for and respond effectively to extreme weather events.

University of Washington Foundation

SEATTLE, WA

$189.7KTax year 2025

Grant purpose

Assess with the use of new climate model simulations if heatwaves could be pre-emptively cooled down with targeted aerosol injection upstream from the heatwave location. / co-produce actionable predictions through a collaboration with scientists and arctic indigenous organizations -- downscale earth system models to provide locally relevant, accessible, and potentially life-saving information.

Yale University

NEW HAVEN, CT

$145.1KTax year 2025

Grant purpose

Continuing yale climate connections spanish language hub work, on new platforms. / automate lifesaving extreme weather alerts and climate education during moments of increased public interest.

Common Goal

BROOKLYN, NY

$99.6KTax year 2025

Grant purpose

Raise awareness of climate change to a global football community and secure action from industrystakeholders.

The Conversation US

WALTHAM, MA

$99.4KTax year 2025

Grant purpose

Continue getting extreme weather science information to the public!

	Location	Purpose
Climate Central Inc	PRINCETON, NJ	Continuing sea surface temperature attribution modeling, connecting with extreme weather events. / expand our reach to new audiences with webinars, social media, and event-specific tools that will strengthen public understanding and help communities plan for and respond effectively to extreme weather events.	2025	$190K
University of Washington Foundation	SEATTLE, WA	Assess with the use of new climate model simulations if heatwaves could be pre-emptively cooled down with targeted aerosol injection upstream from the heatwave location. / co-produce actionable predictions through a collaboration with scientists and arctic indigenous organizations -- downscale earth system models to provide locally relevant, accessible, and potentially life-saving information.	2025	$189.7K
Yale University	NEW HAVEN, CT	Continuing yale climate connections spanish language hub work, on new platforms. / automate lifesaving extreme weather alerts and climate education during moments of increased public interest.	2025	$145.1K
Common Goal	BROOKLYN, NY	Raise awareness of climate change to a global football community and secure action from industrystakeholders.	2025	$99.6K
The Conversation US	WALTHAM, MA	Continue getting extreme weather science information to the public!	2025	$99.4K

Showing 5 of the 25 largest grants (61 reported in all).

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About this data

Figures are aggregated from Co2 Foundation's IRS Form 990-PF electronic filings (2 filings on file, most recent tax year 2025). Totals reflect grants the foundation reported as paid, and can lag the current year because foundations file annually and often on extension. Source: IRS 990-PF filing on ProPublica. Raw e-file archive (ZIP) — a large IRS yearly archive download.

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