Data / Nonprofits / Massachusetts / Boston / Environment
Environment nonprofits in Boston, MA: 85 registered with the IRS
85 environment nonprofits are registered with the IRS in Boston, MA, 82 of them 501(c)(3) charities; the 51 that report revenue took in $349.8 million. The largest by revenue: Trustees of Reservations ($57.9 million), Clean Air Task Force Inc ($50.1 million), Ceres Inc ($33.6 million).
SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.
Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Trustees of Reservations | 501(c)(3) | 1935 | $57.9 million | $398.2 million | 2025-03 |
| Clean Air Task Force Inc | 501(c)(3) | 2000 | $50.1 million | $47.2 million | 2024-12 |
| Ceres Inc | 501(c)(3) | 1990 | $33.6 million | $35.1 million | 2025-10 |
| Deploy-Us Inc | 501(c)(3) | 2017 | $32 million | $18.3 million | 2025-12 |
| Conservation Law Foundation Inc | 501(c)(3) | 1967 | $24.2 million | $50.3 million | 2025-07 |
| Project Innerspace Inc | 501(c)(3) | 2022 | $23.1 million | $17.8 million | 2024-12 |
| Massachusetts Service Alliance Inc | 501(c)(3) | 1995 | $19.3 million | $6.5 million | 2025-06 |
| 350 Org | 501(c)(3) | 2008 | $16 million | $5.1 million | 2025-09 |
| Cathleen Stone Island Outward Bound School Inc | 501(c)(3) | 1994 | $14.7 million | $16.4 million | 2024-12 |
| Goodpower Education Fund Inc | 501(c)(3) | 2009 | $14.3 million | $5.5 million | 2025-06 |
| Boston Harbor Now Inc | 501(c)(3) | 1995 | $10.1 million | $9.7 million | 2025-03 |
| New Ecology Inc | 501(c)(3) | 1999 | $8.4 million | $6.3 million | 2024-12 |
| Infact | 501(c)(3) | 1980 | $8 million | $4.9 million | 2025-06 |
| Northeast States for Coordinated Air Use Management Inc | 501(c)(3) | 1995 | $5.8 million | $14.6 million | 2025-09 |
| Charles River Watershed Association Inc | 501(c)(3) | 1992 | $4.9 million | $10 million | 2025-09 |
| Friends of the Public Garden Inc | 501(c)(3) | 1975 | $4.7 million | $35.1 million | 2025-12 |
| Goodpower Inc | 501(c)(4) | 2022 | $3.6 million | $834,925 | 2025-06 |
| Environmental League of Massachusetts Inc | 501(c)(3) | 1997 | $3.6 million | $6.6 million | 2025-06 |
| Mothers Out Front Inc | 501(c)(3) | 2015 | $2 million | $1.4 million | 2025-12 |
| Save the Harbor Save the Bay Inc Boston Fish Pier | 501(c)(3) | 1987 | $1.8 million | $1.1 million | 2025-12 |
| Act Institute Inc | 501(c)(3) | 2009 | $1.7 million | $480,467 | 2024-12 |
| Catf Action Inc | 501(c)(4) | 2020 | $1.6 million | $2.3 million | 2024-12 |
| Climate Xchange Education and Research Inc | 501(c)(3) | 2015 | $1.2 million | $860,250 | 2025-06 |
| Browning the Green Space Inc | 501(c)(3) | 2022 | $1.2 million | $704,673 | 2024-12 |
| Green Restaurant Association | 501(c)(3) | 2001 | $784,138 | $6,047 | 2025-12 |
| International Conservation Fund | 501(c)(3) | 2019 | $728,486 | $550,126 | 2025-12 |
| National Environmental Policy and Law Center Inc | 501(c)(3) | 1991 | $559,866 | $3.1 million | 2025-06 |
| Massachusetts Land Conservation Trust Inc | 501(c)(3) | 1993 | $558,944 | $18.3 million | 2025-03 |
| Biodiversity for A Livable Climate | 501(c)(3) | 2014 | $464,833 | $172,510 | 2025-12 |
| CLF Ventures Inc | 501(c)(3) | 1998 | $449,396 | $287,995 | 2025-07 |
| Climate Finance Action Inc | 501(c)(3) | 2020 | $406,456 | $198,571 | 2025-12 |
| National Association of Asian Professionals-Boston Inc | 501(c)(3) | 1993 | $309,926 | $467,568 | 2024-12 |
| Climate Jobs Massachusetts Inc | 501(c)(3) | 2025 | $280,619 | $303,875 | 2024-12 |
| Cathleen Stone Island Education Center Inc | 501(c)(3) | 1951 | $244,390 | $8.8 million | 2024-12 |
| Beacon Hill Garden Club | 501(c)(3) | 1977 | $203,609 | $196,861 | 2025-06 |
| Built Buildings Lab Inc | 501(c)(3) | 2024 | $199,668 | $106,566 | 2025-12 |
| Mass Recycle Inc | 501(c)(3) | 1991 | $191,597 | $192,562 | 2024-12 |
| Tree Eastie Inc | 501(c)(3) | 2023 | $165,223 | $105,082 | 2025-12 |
| Toxics Action Center Inc | 501(c)(3) | 1994 | $158,042 | $2.3 million | 2025-06 |
| Garden Club of the Back Bay Inc | 501(c)(3) | 2005 | $148,900 | $146,500 | 2026-06 |
| Climate Direct Action Education Fund Incorporated | 501(c)(3) | 2025 | $60,022 | $40,286 | 2024-12 |
| Friends of the Mary Ellen Welch Greenway Inc | 501(c)(3) | 2016 | $48,106 | $364,697 | 2025-06 |
| 350 Org Action Fund | 501(c)(4) | 2008 | $47,893 | $222,953 | 2025-09 |
| Foundation for A Green Future | 501(c)(3) | 2026 | $44,003 | $3,993 | 2021-12 |
| Friends of David Mugar Way | 501(c)(3) | 2025 | $39,872 | $31,123 | 2025-12 |
| Urban Beekeeping Laboratory and Bee Sanctuary Inc | 501(c)(3) | 2015 | $38,591 | $55,212 | 2024-12 |
| Fenway Garden Society | 501(c)(3) | 2006 | $28,716 | $244,119 | 2024-12 |
| Wakullah Street Community Garden Incorporated | 501(c)(3) | 2022 | $18,029 | $1 | 2025-11 |
| Friends of Ringgold Park Inc | 501(c)(3) | 2014 | $17,330 | $42,531 | 2024-12 |
| Charles River Clean Up Boat | 501(c)(3) | 2004 | $17,288 | $22,926 | 2025-12 |
| Arboretum Park Conservancy | 501(c)(3) | 1992 | $15,045 | $42,981 | 2026-06 |
| 100treesproject Inc | 501(c)(3) | 2025 | |||
| Beech Tree Trust | 501(c)(3) | 2001 | $1.2 million | 2025-06 | |
| Black Coral Inc | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Black Dog Foundation | 501(c)(3) | 2009 | $62,498 | 2025-12 | |
| Cab International Inc | 501(c)(3) | 2001 | $1 | 2024-12 | |
| Chandler Pond Preservation Society | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Charlesgate Alliance Inc | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Childcare Burnout & Balance Corp | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Environmental Design Group Inc | 501(c)(3) | 1970 | $0 | $0 | 2025-12 |
| Frank and Sheila Magullion Foundation Inc | 501(c)(3) | 2024 | $7.2 million | 2024-12 | |
| Friends of Coppens Square Inc | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Friends of Emancipation Park | 501(c)(3) | 2026 | |||
| Friends of Hayes Park Inc | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Friends of Vineyard Forests Inc | 501(c)(3) | 2026 | |||
| Garden Club Federation of Massachusetts Inc | 501(c)(3) | 2004 | $0 | $0 | 2025-06 |
| Jungle Lake Property Owners Association Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-06 |
| Long Pond Conservation Foundation | 501(c)(3) | 2026 | |||
| Michael R Paine Conservation Trust | 501(c)(3) | 2001 | $250,101 | 2025-06 | |
| New England Bothy Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| New England Regional Pretreatment Coordinators Association | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Nonquit Street Neighborhood Association and Land Trust Inc | 501(c)(3) | 1999 | $0 | $0 | 2026-06 |
| North End Beautification Committee | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Oceans Tomorrow Inc | 501(c)(3) | 2024 | |||
| Parks & Walkways | 501(c)(3) | 2024 | |||
| Pier 5 Association Inc | 501(c)(3) | 2021 | $0 | $0 | 2024-06 |
| Poweroptions Connect | 501(c)(3) | 2025 | $0 | $0 | 2025-06 |
| Rainforestmaker Inc | 501(c)(3) | 2017 | $1.9 million | 2025-12 | |
| Savia Foundation Inc | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Shalin Liu Wildlife Sanctuary Foundation | 501(c)(3) | 2014 | $6.4 million | 2024-12 | |
| The Massachusetts Lands Trust Inc | 501(c)(3) | 2007 | $992 | 2025-12 | |
| Useful Spaces Incorporated | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| Wade Research Foundation Inc | 501(c)(3) | 2012 | $4.2 million | 2024-12 | |
| We Tree Boston Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Wildcat River Trust | 501(c)(3) | 2014 | $355,287 | 2025-12 |
Other causes in Boston, MA
- Philanthropy, voluntarism and grantmaking foundations 754
- Education 405
- Arts, culture and humanities 344
- Human services 258
- Community improvement and capacity building 216
- Health care 173
- Housing and shelter 140
- Religion-related 121
- Recreation and sports 103
- International, foreign affairs and national security 78
- Employment 76
- Youth development 72
- Civil rights, social action and advocacy 58
- Public and societal benefit 57
- Mutual and membership benefit 51
- Crime and legal-related 51
- Medical research 50
- Mental health and crisis intervention 48
- Diseases, disorders and medical disciplines 44
- Science and technology 36
- Animal-related 22
- Food, agriculture and nutrition 22
- Social science 15
- Public safety, disaster preparedness and relief 9
Every nonprofit in Boston, MA · Environment nonprofits across the state · Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.