Data / Nonprofits / Massachusetts / Cambridge / Environment
Environment nonprofits in Cambridge, MA: 30 registered with the IRS
30 environment nonprofits are registered with the IRS in Cambridge, MA, 28 of them 501(c)(3) charities; the 19 that report revenue took in $13.9 million. The largest by revenue: Populace Inc ($5.1 million), Climate Change Ai ($1.3 million), Future of Heat Institute Inc ($1.2 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Populace Inc | 501(c)(3) | 2014 | $5.1 million | $12.1 million | 2024-12 |
| Climate Change Ai | 501(c)(3) | 2022 | $1.3 million | $1 million | 2024-12 |
| Future of Heat Institute Inc | 501(c)(3) | 2025 | $1.2 million | $878,201 | 2025-12 |
| Charles River Conservancy Inc | 501(c)(3) | 2000 | $1.1 million | $1.4 million | 2025-09 |
| Citysprouts Inc | 501(c)(3) | 2001 | $1.1 million | $509,320 | 2025-08 |
| Better Future Project Inc | 501(c)(3) | 2014 | $843,593 | $682,846 | 2024-12 |
| Energy Allies A NJ Nonprofit Corporation | 501(c)(3) | 2014 | $745,482 | $160,439 | 2023-12 |
| Eco-Logic Development Fund | 501(c)(3) | 1993 | $580,490 | $255,358 | 2024-12 |
| Cleantech Leaders Climate Forum | 501(c)(3) | 2024 | $424,695 | $261,468 | 2025-12 |
| Climable Inc | 501(c)(3) | 2014 | $311,056 | $145,319 | 2024-12 |
| Green Cambridge Inc | 501(c)(3) | 2007 | $281,267 | $284,585 | 2025-06 |
| Passive House New England Inc | 501(c)(3) | 2016 | $249,958 | $236,075 | 2024-12 |
| Cleantech Leaders Roundtable | 501(c)(4) | 2019 | $164,046 | $35,569 | 2025-12 |
| Foundation for Enviromental Research | 501(c)(3) | 2000 | $150,569 | $240,550 | 2024-12 |
| Black Swan Lab Inc | 501(c)(3) | 2024 | $135,050 | $61,620 | 2024-12 |
| Connect Us Altwheels Inc | 501(c)(3) | 2008 | $113,919 | $438,914 | 2025-12 |
| Ocean River Institute Inc | 501(c)(3) | 2007 | $110,602 | $20,034 | 2026-01 |
| Community Outreach Group Inc | 501(c)(3) | 1998 | $87,697 | $50,378 | 2024-12 |
| Global Coral Reef Alliance Inc | 501(c)(3) | 1992 | $52,708 | $16,408 | 2025-12 |
| Alewife Neighbors Inc | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Better Future Action | 501(c)(4) | 2017 | $0 | $0 | 2024-12 |
| Climate Defense and Development Charity Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Climate Remediation Foundation Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Climate Up Close Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Friends of the Rainbow Path Inc | 501(c)(3) | 2026 | |||
| Geotherapy Institute for Art and Field Science Inc | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Greenfox Schools Inc | 501(c)(3) | 2011 | |||
| People for River Bend Park Trust | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Us-Asia Sustainable Development Foundation Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Wetland Resolve | 501(c)(3) | 2026 |
Other causes in Cambridge, MA
- Education 233
- Arts, culture and humanities 164
- Philanthropy, voluntarism and grantmaking foundations 85
- Human services 79
- Religion-related 77
- International, foreign affairs and national security 63
- Science and technology 42
- Recreation and sports 41
- Community improvement and capacity building 40
- Housing and shelter 33
- Health care 29
- Public and societal benefit 23
- Medical research 21
- Civil rights, social action and advocacy 21
- Mental health and crisis intervention 16
- Youth development 15
- Crime and legal-related 12
- Employment 12
- Diseases, disorders and medical disciplines 12
- Social science 10
- Food, agriculture and nutrition 8
- Animal-related 5
- Public safety, disaster preparedness and relief 4
Every nonprofit in Cambridge, 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.