Data / Nonprofits / Pennsylvania / Philadelphia / Environment
Environment nonprofits in Philadelphia, PA: 111 registered with the IRS
111 environment nonprofits are registered with the IRS in Philadelphia, PA, 111 of them 501(c)(3) charities; the 45 that report revenue took in $100 million. The largest by revenue: Pennsylvania Horticultural Society ($40.9 million), Fairmount Park Conservancy ($17.9 million), Kipp North Philadelphia Charter School ($15 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Pennsylvania Horticultural Society | 501(c)(3) | 1952 | $40.9 million | $74.4 million | 2025-06 |
| Fairmount Park Conservancy | 501(c)(3) | 1992 | $17.9 million | $25.6 million | 2025-12 |
| Kipp North Philadelphia Charter School | 501(c)(3) | 2019 | $15 million | $6.1 million | 2025-06 |
| Clean Air Council | 501(c)(3) | 1968 | $4.2 million | $4.4 million | 2025-06 |
| Friends of the Wissahickon Inc | 501(c)(3) | 1952 | $3.6 million | $3.1 million | 2024-12 |
| The Schuylkill Center for Environmental Education | 501(c)(3) | 1966 | $3 million | $12.7 million | 2025-06 |
| Green Building United | 501(c)(3) | 2003 | $1.9 million | $1.7 million | 2024-12 |
| Philadelphia Orchard Project | 501(c)(3) | 2010 | $1.6 million | $1.4 million | 2025-06 |
| Neighborhood Gardens Trust | 501(c)(3) | 1986 | $1.4 million | $5.3 million | 2025-06 |
| Awbury Arboretum Association Inc | 501(c)(3) | 1985 | $1.2 million | $1.8 million | 2024-12 |
| Glen Foerd Conservation Corp | 501(c)(3) | 1986 | $1.2 million | $1.8 million | 2024-12 |
| Tookany-Tacony-Frankford Watershed Partnership | 501(c)(3) | 2006 | $1.2 million | $916,520 | 2025-06 |
| Friends of Rittenhouse Square | 501(c)(3) | 1977 | $989,281 | $553,081 | 2025-09 |
| The Energy Efficiency Alliance | 501(c)(3) | 1999 | $982,442 | $774,346 | 2025-12 |
| Pennenvironment Research and Policy Center | 501(c)(3) | 2003 | $855,797 | $3.7 million | 2025-06 |
| Discovery Pathways | 501(c)(3) | 2021 | $471,426 | $318,594 | 2025-12 |
| The Experimental Farm Network Cooperative | 501(c)(3) | 2011 | $418,328 | $277,992 | 2024-12 |
| Resource Exchange | 501(c)(3) | 2011 | $389,724 | $185,307 | 2025-12 |
| Friends of the Rail Park | 501(c)(3) | 2011 | $337,884 | $908,524 | 2025-12 |
| Temple Special Services District | 501(c)(3) | 2021 | $260,000 | $247,258 | 2023-12 |
| East Park Leadership and Conservation Center | 501(c)(3) | 2014 | $228,713 | $15.4 million | 2024-12 |
| New Nature Foundation | 501(c)(3) | 2009 | $225,354 | $226,529 | 2024-12 |
| Land Health Institute | 501(c)(3) | 2013 | $211,124 | $41,528 | 2024-12 |
| Moonjelly Foundation | 501(c)(3) | 2022 | $200,000 | $57,315 | 2023-12 |
| Philly Thrive | 501(c)(3) | 2024 | $185,718 | $15,483 | 2023-12 |
| West Park Cultural Center | 501(c)(3) | 2002 | $182,842 | $99,136 | 2025-06 |
| U C Green Inc | 501(c)(3) | 2004 | $160,945 | $154,638 | 2025-06 |
| Bottle Underground Inc | 501(c)(3) | 2020 | $140,310 | $137,590 | 2025-12 |
| Responsible Preservation Inc | 501(c)(3) | 2014 | $119,740 | $20,653 | 2025-12 |
| Greentreks Network Inc | 501(c)(3) | 2003 | $112,016 | $59,883 | 2024-12 |
| Save Our Lives & Environment Sole Inc | 501(c)(3) | 2024 | $98,428 | $2,257 | 2025-12 |
| A New Dawn Incorporated | 501(c)(3) | 2022 | $76,700 | $7,592 | 2025-12 |
| Urbed | 501(c)(3) | 2017 | $73,359 | $20,032 | 2025-06 |
| Chestnut Hill Garden District Fund | 501(c)(3) | 1999 | $61,450 | $106,231 | 2024-12 |
| Pennsylvania Bi-Partisan Climate Initiative | 501(c)(3) | 2023 | $59,804 | $26,059 | 2024-12 |
| Klean Kensington Inc | 501(c)(3) | 2024 | $55,380 | $7,186 | 2024-12 |
| Awbury Arboretum Trust | 501(c)(3) | 2016 | $30,360 | $695,709 | 2025-12 |
| Arc Alliance of Regenerative Culture Inc | 501(c)(3) | 2024 | $29,884 | $25,835 | 2024-12 |
| Global Water Alliance | 501(c)(3) | 2009 | $20,317 | $36,630 | 2025-12 |
| Young Involved Philadelphia | 501(c)(3) | 2005 | $14,090 | $45,938 | 2024-12 |
| Friends of Penn Treaty Park | 501(c)(3) | 2007 | $5,792 | $8,111 | 2024-12 |
| Franklin Recovery PHL | 501(c)(3) | 2024 | $5,186 | $3,078 | 2024-01 |
| Mundo Madre Inc | 501(c)(3) | 2020 | $4,117 | $1 | 2025-12 |
| Nature Club at the Villages at Pine Valley | 501(c)(3) | 2025 | $1,162 | $27 | 2025-12 |
| Olde & South Kensington Green Space | 501(c)(3) | 2019 | $4 | $47,583 | 2025-12 |
| Amaizi H20 Outreach Inc | 501(c)(3) | 2025 | |||
| America the Beautiful Foundation | 501(c)(3) | 2026 | |||
| American Association of Blacks in Energy - Philadelphia Chapter | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Bel Arbor | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Belmont Plateau Trails Alliance Inc | 501(c)(3) | 2026 | |||
| Black Girls With Green Thumbs Trust Inc | 501(c)(3) | 2025 | |||
| Block By Block Community | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Botanography | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Brewerytown Garden | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Call To the Bar Nonprofit Organization | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Cedar Park Neighbors | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
| Central Delaware Advocacy Group | 501(c)(3) | 2010 | $0 | $0 | 2026-07 |
| Circle Change Co | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| City Parks Institute of Philadelphia | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Clean Air Streams & Environment Case Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Climate Action Network | 501(c)(3) | 2025 | |||
| Community Justice Land | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Conservation Pennsylvania | 501(c)(3) | 2010 | $0 | $0 | 2025-09 |
| DRWC Land Conservancy | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Eating for the Ecosystem - Applied Research and Education | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Energy Justice Network | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Enterprise Project | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Five Below Foundation | 501(c)(3) | 2019 | $3.3 million | 2025-01 | |
| Friends of Carpenters Woods | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Friends of Crease Street Garden | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Friends of Gorgas Park | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Friends of Mario Lanza Park | 501(c)(3) | 1994 | $0 | $0 | 2025-12 |
| Friends of Orkney Park Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Garden Club Federation of Pennsylvania | 501(c)(3) | 2004 | $0 | $0 | 2026-04 |
| Gardens Are Life | 501(c)(3) | 2026 | |||
| Germantown Conservancy Inc | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Girardgardeninc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Greenest Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Hansberry Garden & Nature Center Inc | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Holobiont Laboratory | 501(c)(3) | 2021 | $0 | $0 | 2025-10 |
| House of Ujima Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Hunting Park Community Solar Initiative | 501(c)(3) | 2022 | 2024-12 | ||
| Jastech Support Services Inc | 501(c)(3) | 2026 | |||
| Lake Winola Water Quality | 501(c)(3) | 2025 | |||
| Maqoor Environmental Ngo | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Men of 52K | 501(c)(3) | 2024 | |||
| Meraki Animal Sanctuary Inc | 501(c)(3) | 2024 | $0 | $0 | 2026-03 |
| New World Development Corporation | 501(c)(3) | 2023 | $249 | 2024-12 | |
| North Roots Inc | 501(c)(3) | 2021 | $1 | 2023-12 | |
| Nour Aqua | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Oak Lane Tree Tenders | 501(c)(3) | 2026 | |||
| Olde Richmond Civic Association | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Philabag | 501(c)(3) | 2026 | |||
| Philadelphia Compost Works Association | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Philadelphia Metropolitan Area Section of the American Water Reso | 501(c)(3) | 2001 | $0 | $0 | 2025-06 |
| Philadelphia Mycology Club | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Philadelphia Plant Share | 501(c)(3) | 2022 | $0 | $0 | 2025-06 |
| Philly Tree People | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Questers Inc | 501(c)(3) | 1967 | $0 | $0 | 2026-05 |
| Roxborough Conservancy | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Saint Monica Tree Tenders | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Salvage Compost Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Scenario Journal | 501(c)(3) | 2014 | $0 | $0 | 2024-06 |
| Spec Matters Inc | 501(c)(3) | 2025 | |||
| Teen Vision | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Tombe | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Vacetime Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Waste Free Oceans Americas Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| We Are Talking Trash Inc | 501(c)(3) | 2026 | |||
| Wissahickon East Park Friends | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Wissahickon Restoration Volunteers | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
Other causes in Philadelphia, PA
- Religion-related 1,322
- Human services 943
- Education 912
- Arts, culture and humanities 717
- Community improvement and capacity building 547
- Philanthropy, voluntarism and grantmaking foundations 432
- Youth development 348
- Recreation and sports 278
- Health care 249
- Housing and shelter 223
- Mental health and crisis intervention 160
- Crime and legal-related 150
- Public and societal benefit 144
- Employment 100
- Food, agriculture and nutrition 91
- International, foreign affairs and national security 86
- Civil rights, social action and advocacy 77
- Diseases, disorders and medical disciplines 69
- Animal-related 61
- Medical research 42
- Mutual and membership benefit 41
- Public safety, disaster preparedness and relief 27
- Science and technology 23
- Social science 19
Every nonprofit in Philadelphia, PA · 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.