How to apply
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. Contact: Karen Wolfgang, 2442 Nw Market St 971, Seattle, Wa, 6013420234, GRANTS@CO2FOUNDATION.ORG Deadlines: One funding opportunity per year, with a soft close date 3 months after opportunity is posted. 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…
Quoted from Part XV of the foundation's 2025 Form 990-PF; the full text is in the filing. Confirm on the foundation's website before you write.
Grants paid in 2025
34 grants, all shown · from Form 990-PF Part XV
| Recipient | Purpose | Amount |
|---|---|---|
| Climate Central IncPrinceton, NJ | Continuing sea surface temperature attribution modeling, connecting with extreme weather events. / expand our reach to new audiences with w… | $190K |
| University of Washington FoundationSeattle, WA | Assess with the use of new climate model simulations if heatwaves could be pre-emptively cooled down with targeted aerosol injection upstre… | $190K |
| Yale UniversityNew Haven, CT | Continuing yale climate connections spanish language hub work, on new platforms. / automate lifesaving extreme weather alerts and climate e… | $145K |
| Common GoalBrooklyn, NY | Raise awareness of climate change to a global football community and secure action from industrystakeholders. | $100K |
| The Conversation USWaltham, MA | Continue getting extreme weather science information to the public! | $99K |
| Grist Magazine IncSeattle, WA | 2025 extremes project focused on the disaster economy a full look at the businesses, labor forces, relief funds, and more that pop up in th… | $97K |
| Northern Arizona University FoundationFlagstaff, AZ | Use existing biocrust restoration experiments to determine carbon sequestration potential of these activities. | $95K |
| Urban InstituteWashington, DC | Provides rapid, equity-focused analysis on disasters and disaster recovery needs in the days before, and after, those events, to that expan… | $95K |
| Climate FoundationSeattle, WA | Advances hectare-scale marine permaculture development, unlocking vast ocean areas for ecological restoration, sustainable resource product… | $86K |
| Oregon Environmental Council (oec)Portland, OR | 2027 soil health summit and additional natural climate solutions rulemaking stakeholder engagement. | $84K |
| Wgbh Educational FoundationBoston, MA | The world's rapid response extreme weather reporting team. | $76K |
| GoodpowerCharlestown, MA | Launching a formal rapid-response content operation that ensures the truth reaches people in minutesnot dayswhen the opportunity arises. | $75K |
| EcoadaptBainbridge Island, WA | Support 2026 national adaptation forum and virtual forum. | $74K |
| Southeast Coastal Ocean Observing Regional Association (secoora)(for Scdrp)Charleston, SC | Leverage regional capacity and partnership reach to focus 2026 annual meeting and conference on delivering a structured and outcome-driven… | $73K |
| MongabayMenlo Park, CA | Using a solutions-based journalism approach, mongabay will explore the potential of nature-based climate solutions (ncs) for communities to… | $71K |
| National Council for Occupational Safety and HealthAustin, TX | As climate change and the rollback of workers rights make extreme weather more lethal, national cosh is equipping low-wage workers on the f… | $71K |
| Tech for ChangeSan Diego, CA | Floodlight is pakistans first open-source flood mapping platform, enabling real-time, crowd-sourced data on flood risks. this project enhan… | $71K |
| Greater Washington Educational Telecommunications Association IncArlington, VA | The pbs news hour tipping point series creates public awareness about the links between climate change and weather while shining a light on… | $71K |
| Conservation Biology InstituteCorvallis, OR | 2025 state of the climate report. | $67K |
| Social Good Fund (for America Adapts)Richmond, CA | A three-episode podcast series for the adaptation and resilience (a&r) community. | $58K |
| Point Reyes Bird ObservatoryPetaluma, CA | Connect monitoring and evaluation data across ca with widely-used carbon modeling programs, aiming to ensure that the practices being incen… | $50K |
| Transmediavision USA IncBow, WA | Complete the climate restorers, a 4-film documentary series. | $50K |
| Montana Health Professionals for a Healthy Climate (mthphc)Red Lodge, MT | Continue training mt healthcare professionals to understand and communicate about climate risks. | $47K |
| Urban Ecology (for Kneedeep Times)San Francisco, CA | Researching and writing follow-up storiesfor each of the five climate extremes. / create a new community reporting network that empowers re… | $43K |
| Utah Film Center (for the Here Now Project)Salt Lake City, UT | Develop social release strategy for the here now project. | $38K |
| West Virginia University Foundation Inc (for West Virginia University ExteMorgantown, WV | Create and distribute a comprehensive preparedness guide tailored for west virginia residents facing escalating flood and wildfire risks. | $34K |
| Massachusetts Institute of TechnologyCambridge, MA | 2025 graduate climate conference. | $28K |
| Seattle FoundationSeattle, WA | Support climate lab, the seattle times ambitious, multi-year initiative on the climate crisis. | $25K |
| Planning AheadDurham, NC | Host a series of trauma-informed workshops in durham, nc, equipping vulnerable residents with strategies to prepare for extreme heat and fl… | $19K |
| Nature Forward IncChevy Chase, MD | Develop a public awareness campaign utilizing dynamic communications, personal stories and workshops to localize and humanize the dramatic… | $10K |
| UnthinkableSalt Lake City, UT | Support the development of field-building resources after the american climate-mental health summit. | $10K |
| Environmental Defense Fund (edf)New York, NY | This project will identify actionable strategies for disaster insurers to help lower risks, producing a report to be shared through existin… | $3,562 |
| Chispa Arizona a Program of the League of Conservation Voters Education FunPhoenix, AZ | Gatherings and a summit to discuss/discover and then present what impacted community members want to do with ira funds. | $3,000 |
| Urban Sustainability Directors Network (usdn)Sanford, NC | Resilience hubs video series: sharing community wisdom and experiences (maui and oahu). | $2,475 |
By state: Washington 6 · California 5 · Massachusetts 4 · New Jersey 1 · Oregon 2 · Connecticut 1
About this foundation
Co2 Foundation is a private grantmaking foundation in Seattle, Washington, administered in care of William Calvin, tax-exempt since 2021. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.
Does Co2 Foundation accept grant applications?
Yes. On its 2025 Form 990-PF the foundation indicates it accepts applications. 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. Deadlines: One funding opportunity per year, with a soft close date 3 months after opportunity is posted..
How much does Co2 Foundation give each year?
In tax year 2025 it paid $2.3M across 34 grants, a median of $71K.
Where does Co2 Foundation give?
Washington (6 grants), California (5 grants), Massachusetts (4 grants) and elsewhere, per its latest filing.
More foundations near Seattle that accept applications
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|---|---|---|---|---|---|
| Gates Foundationsince 2007 | Seattle, WA | $6.3B4,974 grants · 2024 | $500K | Yes | $77B |
| Satterberg Foundationsince 1991 | Seattle, WA | $43M286 grants · 2024 | $125K | Yes | $447M |
| Norcliffe Foundationsince 1954 | Seattle, WA | $56M454 grants · 2024 | $20K | Yes | $815M |
| Schultz Family Foundationsince 1998 | Seattle, WA | $12M66 grants · 2024 | $100K | Yes | $355M |