Building a more impactful and inclusive environmental movement by providing fiscal sponsorship to organizations pursuing bold solutions to the climate crisis and other pressing environmental challenges, and by connecting donors with projects to maximize impact.
Windward Fund’s recent grantmaking is built around fiscal sponsorship and project support for environmental organizations working on climate, water, land and biodiversity, food and agriculture, and environmental justice. The funder’s largest reported grant in the data was $20,000,000 to Carbon Mapper Inc in 2023, followed closely by $19,950,000 to Home Planet Fund in the same year. That scale sits alongside a broader portfolio of six- and seven-figure grants to environmental intermediaries, universities, policy groups, and advocacy organizations. The pattern suggests a funder that backs both technical and movement-oriented work. Potential Energy Coalition Inc received $13,191,061 in 2024 and $13,084,686 in 2023, while the University of California Davis received $9,347,488 in 2024. Windward Fund also supported Environmental Defense Fund Inc with multiple large grants across 2023, 2024, and 2025, showing repeated support for some recipients rather than only one-off awards. Alongside direct grants, the foundation’s existing profile describes it as connecting donors with projects to maximize impact, which fits the mix of fiscal sponsorship and program support visible in the recent awards.
In climate and emissions work, Windward Fund backed Carbon Mapper Inc with $20,000,000 in 2023 and $5,000,000 in 2025, pointing to sustained support for climate-related environmental programs. It also funded Clean Air Task Force Inc with $5,274,812 in 2024 and $2,475,000 in 2023, reinforcing a focus on air and energy policy. For research and implementation, the funder gave $9,347,488 to the Regents of the University of California Davis in 2024 and $2,991,652 to Cornell University in 2025. In city and coalition work, it awarded $4,500,000 to C40 Cities Climate Leadership Group Inc in 2024 and $3,500,000 to the Inter-American Development Bank in 2024. Land and ocean-linked environmental work appears as well through Woods Hole Oceanographic Institution, which received $2,541,980 in 2024 and $2,500,000 in 2023.
Windward Fund’s typical grant size is $50,000 at the 25th percentile, $100,000 at the median, and $250,000 at the 75th percentile, but the recent grants list also shows a substantial number of multiyear awards in the millions. The same recipients appear across multiple years, including several repeat grants to environmental groups and research institutions, which indicates recurring support rather than isolated one-time giving. The funder is classified as a regular funder and does not fund individuals. Its profile also identifies fiscal sponsorship and capacity building as part of the model, alongside thematic and program support.
$137.7M
$432.7M
$308.2M
$251.3M
Most grants fall between $50K and $250K, with a median of $100K.
25th Percentile
$50K
Median
$100K
75th Percentile
$250K
About 9% of grants go to recipients in IN.
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Giving is national, and the recipient map is entirely U.S.-based in the data. The largest concentration of recent grants is tied to organizations in New York, California, and Washington, DC, with additional awards going to Boston, Pasadena, and other major research and policy hubs. The top state by grant count is Indiana, even though the foundation’s headquarters are in Washington, DC. Recipients in the recent list include New York, NY; Pasadena, CA; and Washington, DC.
The foundation’s stated focus areas are Energy & Climate, Water, Land & Biodiversity, Food & Agriculture, and Environmental Justice. The recent grants also align with environmental programs, conservation, sustainable agriculture, food security and nutrition, and environmental advocacy or civic engagement.
Its stated grant-size distribution is $50,000 at the 25th percentile, $100,000 at the median, and $250,000 at the 75th percentile. The recent awards also include much larger project grants, including multiple awards in the millions.
Yes. Several recipients appear more than once in the recent grants list, including Potential Energy Coalition Inc, Environmental Defense Fund Inc, Rockefeller Philanthropy Advisors Inc, Clean Air Task Force Inc, Institute for Governance and Sustainable Development, Woods Hole Oceanographic Institution, and The Energy Foundation.
The recent grants include environmental organizations, universities, coalition groups, and intermediaries such as Rockefeller Philanthropy Advisors Inc and the Inter-American Development Bank. The existing profile also describes fiscal sponsorship for organizations pursuing climate and environmental solutions.
The funding is national and every recipient in the country distribution is in the United States. The top state by grant count is Indiana, while recent grants also went to organizations in New York, California, Washington, DC, Massachusetts, and Illinois.
LYNN MCNAIR
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS | CHAMPAIGN, IL | $8,254,990 | 2025 | ENVIRONMENTAL PROGRAMS |
| ENVIRONMENTAL DEFENSE FUND INC | NEW YORK, NY | $7,765,690 | 2025 | ENVIRONMENTAL PROGRAMS |
| CARBON MAPPER INC | PASADENA, CA | $5,000,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| HOURGLASS CLIMATE INC | MONTCLAIR, NJ | $3,948,938 | 2025 | ENVIRONMENTAL PROGRAMS |
| INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT | WASHINGTON, DC | $3,438,500 | 2025 | ENVIRONMENTAL PROGRAMS |
| THE ENERGY FOUNDATION | SAN FRANCISCO, CA | $3,423,333 | 2025 | ENVIRONMENTAL PROGRAMS |
| CORNELL UNIVERSITY | ITHACA, NY | $2,991,652 | 2025 | ENVIRONMENTAL PROGRAMS |
| FRONTIER CLIMATE MANAGEMENT LLC | SAN FRANCISCO, CA | $2,828,213 | 2025 | ENVIRONMENTAL PROGRAMS |
| NATURAL RESOURCES DEFENSE COUNCIL INC | NEW YORK, NY | $2,296,667 | 2025 | ENVIRONMENTAL PROGRAMS |
| WORLD RESOURCES INSTITUTE | WASHINGTON, DC | $2,296,667 | 2025 | ENVIRONMENTAL PROGRAMS |
| MIGHTY EARTH INC | WASHINGTON, DC | $2,232,657 | 2025 | ENVIRONMENTAL PROGRAMS |
| ROCKY MOUNTAIN INSTITUTE | BOULDER, CO | $1,960,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| MERIDIAN INSTITUTE | DILLON, CO | $1,400,000 | 2025 | AGRICULTURE, FOOD, NUTRITION |
| REWIRING AMERICA INC | WASHINGTON, DC | $1,320,330 | 2025 | ENVIRONMENTAL PROGRAMS |
| TIDES FOUNDATION | SAN FRANCISCO, CA | $1,270,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| HOUSTON IN ACTION NETWORK | HOUSTON, TX | $1,200,500 | 2025 | ENVIRONMENTAL PROGRAMS |
| WORLD WILDLIFE FUND INC | WASHINGTON, DC | $1,182,340 | 2025 | ENVIRONMENTAL PROGRAMS |
| THE REGENTS OF UNIVERSITY OF CALIFORNIA DAVIS | DAVIS, CA | $1,100,148 | 2025 | ENVIRONMENTAL PROGRAMS |
| INTERNATIONAL SUSTAINABLE ENERGY FOUNDATION | AUSTIN, TX | $1,100,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| WE ARE DOWN HOME | GREENSBORO, NC | $1,077,500 | 2025 | ENVIRONMENTAL PROGRAMS |
| HEALTHY GULF | NEW ORLEANS, LA | $1,050,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| THE NATURE CONSERVANCY | CHESTER, NJ | $1,020,395 | 2025 | ENVIRONMENTAL PROGRAMS |
| CASCADE CLIMATE INC | SOMERVILLE, MA | $1,018,500 | 2025 | ENVIRONMENTAL PROGRAMS |
| THE GLOBAL FOODBANKING NETWORK | CHICAGO, IL | $1,000,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| THE PEW CHARITABLE TRUSTS | PHILADELPHIA, PA | $1,000,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| PHYSICIANS SCIENTISTS AND ENGINEERS FOR HEALTHY ENERGY | OAKLAND, CA | $1,000,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| SIXTEEN THIRTY FUND | WASHINGTON, DC | $1,000,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| GLOBAL ALLIANCE FOR INCINERATOR ALTERNATIVES | BERKELEY, CA | $1,000,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| NATURAL RESOURCE GOVERNANCE INSTITUTE | NEW YORK, NY | $992,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| SOCIAL AND ENVIRONMENTAL ENTREPRENEURS | CALABASAS, CA | $975,300 | 2025 | ENVIRONMENTAL PROGRAMS |
| SOUTHERN VISION ALLIANCE | DURHAM, NC | $900,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| LEAGUE OF CONSERVATION VOTERS EDUCATION FUND | WASHINGTON, DC | $800,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| THE PARTNERSHIP PROJECT INC | WASHINGTON, DC | $800,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| CLEAN ENERGY WORKS | WASHINGTON, DC | $750,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| THE CENTER FOR ENERGY EDUCATION | ROANOKE RAPIDS, NC | $750,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| FOOD FOR CLIMATE LEAGUE | EVANSTON, IL | $700,000 | 2025 | AGRICULTURE, FOOD, NUTRITION |
| GREENER BY DEFAULT | CHICAGO, IL | $700,000 | 2025 | AGRICULTURE, FOOD, NUTRITION |
| FRIENDS OF THE EARTH | WASHINGTON, DC | $700,000 | 2025 | AGRICULTURE, FOOD, NUTRITION |
| LUMEN BIOSCIENCE INC | SEATTLE, WA | $691,857 | 2025 | ENVIRONMENTAL PROGRAMS |
| GEORGIA STAND UP | ATLANTA, GA | $690,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| INSTITUTE FOR AGRICULTURE AND TRADE POLICY | MINNEAPOLIS, MN | $676,500 | 2025 | ENVIRONMENTAL PROGRAMS |
| CLEAN AIR TASK FORCE INC | BOSTON, MA | $673,250 | 2025 | ENVIRONMENTAL PROGRAMS |
| TEXAS FREEDOM NETWORK EDUCATION FUND | AUSTIN, TX | $650,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| STATE DEMOCRACY PROJECT | BROOKLYN, NY | $600,800 | 2025 | ENVIRONMENTAL PROGRAMS |
| MERCY FOR ANIMALS | LOS ANGELES, CA | $600,000 | 2025 | AGRICULTURE, FOOD, NUTRITION |
| AMALGAMATED FOUNDATION | WASHINGTON, DC | $600,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| SAN BERNARDINO COUNTY FIRE PROTECTION DISTRICT | SAN BERNARDINO, CA | $546,353 | 2025 | PUBLIC SAFETY, DISASTER PREPAREDNESS AND RELIEF |
| TEXAS CAMPAIGN FOR THE ENVIRONMENT FUND | AUSTIN, TX | $535,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| BLUEPRINT NORTH CAROLINA | RALEIGH, NC | $530,000 | 2025 | ENVIRONMENTAL PROGRAMS |
| RURAL ARIZONA ENGAGEMENT | COOLIDGE, AZ | $505,000 | 2025 | ENVIRONMENTAL PROGRAMS |
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
$8,254,990ENVIRONMENTAL PROGRAMS
ENVIRONMENTAL DEFENSE FUND INC
$7,765,690ENVIRONMENTAL PROGRAMS
CARBON MAPPER INC
$5,000,000ENVIRONMENTAL PROGRAMS
HOURGLASS CLIMATE INC
$3,948,938ENVIRONMENTAL PROGRAMS
INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT
$3,438,500ENVIRONMENTAL PROGRAMS
THE ENERGY FOUNDATION
$3,423,333ENVIRONMENTAL PROGRAMS
CORNELL UNIVERSITY
$2,991,652ENVIRONMENTAL PROGRAMS
FRONTIER CLIMATE MANAGEMENT LLC
$2,828,213ENVIRONMENTAL PROGRAMS
NATURAL RESOURCES DEFENSE COUNCIL INC
$2,296,667ENVIRONMENTAL PROGRAMS
WORLD RESOURCES INSTITUTE
$2,296,667ENVIRONMENTAL PROGRAMS
MIGHTY EARTH INC
$2,232,657ENVIRONMENTAL PROGRAMS
ROCKY MOUNTAIN INSTITUTE
$1,960,000ENVIRONMENTAL PROGRAMS
MERIDIAN INSTITUTE
$1,400,000AGRICULTURE, FOOD, NUTRITION
REWIRING AMERICA INC
$1,320,330ENVIRONMENTAL PROGRAMS
TIDES FOUNDATION
$1,270,000ENVIRONMENTAL PROGRAMS
HOUSTON IN ACTION NETWORK
$1,200,500ENVIRONMENTAL PROGRAMS
WORLD WILDLIFE FUND INC
$1,182,340ENVIRONMENTAL PROGRAMS
THE REGENTS OF UNIVERSITY OF CALIFORNIA DAVIS
$1,100,148ENVIRONMENTAL PROGRAMS
INTERNATIONAL SUSTAINABLE ENERGY FOUNDATION
$1,100,000ENVIRONMENTAL PROGRAMS
WE ARE DOWN HOME
$1,077,500ENVIRONMENTAL PROGRAMS
HEALTHY GULF
$1,050,000ENVIRONMENTAL PROGRAMS
THE NATURE CONSERVANCY
$1,020,395ENVIRONMENTAL PROGRAMS
CASCADE CLIMATE INC
$1,018,500ENVIRONMENTAL PROGRAMS
THE GLOBAL FOODBANKING NETWORK
$1,000,000ENVIRONMENTAL PROGRAMS
THE PEW CHARITABLE TRUSTS
$1,000,000ENVIRONMENTAL PROGRAMS
PHYSICIANS SCIENTISTS AND ENGINEERS FOR HEALTHY ENERGY
$1,000,000ENVIRONMENTAL PROGRAMS
SIXTEEN THIRTY FUND
$1,000,000ENVIRONMENTAL PROGRAMS
GLOBAL ALLIANCE FOR INCINERATOR ALTERNATIVES
$1,000,000ENVIRONMENTAL PROGRAMS
NATURAL RESOURCE GOVERNANCE INSTITUTE
$992,000ENVIRONMENTAL PROGRAMS
SOCIAL AND ENVIRONMENTAL ENTREPRENEURS
$975,300ENVIRONMENTAL PROGRAMS
SOUTHERN VISION ALLIANCE
$900,000ENVIRONMENTAL PROGRAMS
LEAGUE OF CONSERVATION VOTERS EDUCATION FUND
$800,000ENVIRONMENTAL PROGRAMS
THE PARTNERSHIP PROJECT INC
$800,000ENVIRONMENTAL PROGRAMS
CLEAN ENERGY WORKS
$750,000ENVIRONMENTAL PROGRAMS
THE CENTER FOR ENERGY EDUCATION
$750,000ENVIRONMENTAL PROGRAMS
FOOD FOR CLIMATE LEAGUE
$700,000AGRICULTURE, FOOD, NUTRITION
GREENER BY DEFAULT
$700,000AGRICULTURE, FOOD, NUTRITION
FRIENDS OF THE EARTH
$700,000AGRICULTURE, FOOD, NUTRITION
LUMEN BIOSCIENCE INC
$691,857ENVIRONMENTAL PROGRAMS
GEORGIA STAND UP
$690,000ENVIRONMENTAL PROGRAMS
INSTITUTE FOR AGRICULTURE AND TRADE POLICY
$676,500ENVIRONMENTAL PROGRAMS
CLEAN AIR TASK FORCE INC
$673,250ENVIRONMENTAL PROGRAMS
TEXAS FREEDOM NETWORK EDUCATION FUND
$650,000ENVIRONMENTAL PROGRAMS
STATE DEMOCRACY PROJECT
$600,800ENVIRONMENTAL PROGRAMS
MERCY FOR ANIMALS
$600,000AGRICULTURE, FOOD, NUTRITION
AMALGAMATED FOUNDATION
$600,000ENVIRONMENTAL PROGRAMS
SAN BERNARDINO COUNTY FIRE PROTECTION DISTRICT
$546,353PUBLIC SAFETY, DISASTER PREPAREDNESS AND RELIEF
TEXAS CAMPAIGN FOR THE ENVIRONMENT FUND
$535,000ENVIRONMENTAL PROGRAMS
BLUEPRINT NORTH CAROLINA
$530,000ENVIRONMENTAL PROGRAMS
RURAL ARIZONA ENGAGEMENT
$505,000ENVIRONMENTAL PROGRAMS