Environment nonprofits in District of Columbia
Environment nonprofits in District of Columbia. Browse 462 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- New Columbia Community Land Trust
EIN 521720429 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- New Venture Fund
EIN 205806345 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Next Chapter Action
EIN 272124806 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- North American Association for Environmental Educa
EIN 237158061 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- North American Forest Partnership Inc
EIN 834465245 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990
- North Lincoln Park Neighborhood Association
EIN 010570343 · Headquarters: Wasington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Northeast-midwest State Foresters Alliance Inc
EIN 522069225 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ocean Awareness Project Inc
EIN 141861309 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ocean Conservancy
EIN 237245152 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ocean Doctor Inc
EIN 461431787 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Ocean Risk and Resilience Action Alliance Inc
EIN 833580499 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oceana
EIN 510401308 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oceana Action Inc
EIN 311814181 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Offshore Research Association Unasyest
EIN 854341934 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Oil Change USA
EIN 743181474 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- One Gulf Foundation
EIN 814530084 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Onterra
EIN 994865886 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oo Project
EIN 843451269 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- OpenAQ Inc
EIN 475324172 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Openvega Foundation
EIN 392823408 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Climate
EIN 464237362 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Our Climate Education Fund
EIN 263059927 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Our Wildlife Habitat
EIN 932902470 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outdoor Alliance
EIN 463272914 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- PaintCare
EIN 271354262 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pangea Coalition
EIN 454009532 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Parents for Nontoxic Alternatives
EIN 200059831 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Park RX America
EIN 820856734 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Partnership for the National Trails System Inc
EIN 392015324 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Pathway to Freedom Inc
EIN 830500353 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- People 4 Earth Foundation U S Inc
EIN 753269384 · Headquarters: washington, DC, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Perennial Garden Club
EIN 311630132 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Pinchot Institute for Conservation
EIN 521935342 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Plant Based Products Council Foundation
EIN 852302617 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Plant4life
EIN 861649616 · Headquarters: District Of Columbia, DC, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Policy Action for A Clean Tomorrow Inc
EIN 993897077 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Potomac River Association Inc
EIN 521983812 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Potomac Riverkeeper Network
EIN 541982624 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Potomac Watershed Alliance
EIN 461349197 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Power 7 Corporation
EIN 471582260 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Power Shift Network
EIN 455616367 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990
- Proeco Inc
EIN 882925231 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Public Democracy America
EIN 271017781 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rails to Trails Conservancy
EIN 521437006 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Recycling Research Foundation Inc
EIN 521332690 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Reduce Risks from Invasive Species Coalition
EIN 464697330 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Renew Wild Foundation
EIN 332518203 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Renewable Energy and Energy Efficiency Partnership - USA
EIN 451257387 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Renewable Energy Markets Association Inc
EIN 262417867 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Renewable Energy Wildlife Institute
EIN 261587829 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Reserva the Youth Land Trust Inc
EIN 842906892 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Resources for the Future Inc
EIN 530220900 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Restore America's Estuaries
EIN 541965304 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Restore Mass Ave
EIN 432112744 · Headquarters: Northwest Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rewiring America
EIN 932830316 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rewiring Community Investment Fund Inc
EIN 933604596 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rights and Resources Institute Inc
EIN 203690821 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- River Valley Bbyo
EIN 271931279 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Rock Creek Glen Community Assoc
EIN 521391221 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rosedale Conservancy Inc
EIN 611428050 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Runway to Green
EIN 273754381 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rural Investment to Protect Our Environment
EIN 863977878 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Safe Drinking Water Trust Inc
EIN 522224289 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Save Americas Forests Fund Inc
EIN 521770554 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Save Americas Forests Inc
EIN 521748153 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Scenic Alabama Inc
EIN 631181876 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Scenic America
EIN 232188166 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Scenic Georgia Inc
EIN 582483300 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seafood Harvester of America
EIN 465541606 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seaweb
EIN 522156577 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Serova
EIN 845173755 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Simply Sustained
EIN 472302336 · Headquarters: Washington DC, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sixteen Thirty Fund
EIN 264486735 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smart Electric Power Alliance
EIN 521794095 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smart Growth America
EIN 270038938 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smart Surfaces Coalition
EIN 833274838 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Society for Conservation Biology
EIN 330147824 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Solar & Storage Industries Institute
EIN 881327537 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Solar Business Institute
EIN 474703858 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Solar Electric Light Fund
EIN 521701564 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Solar Energy Manufacturers for America Coalition
EIN 921011338 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Solar United Neighbors Action
EIN 862788934 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Solar United Neighbors Inc
EIN 462462990 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Solarapp Foundation
EIN 863112004 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Southern Group of Foresters Inc
EIN 522131892 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- St Catherine Island Foundation Inc
EIN 920805871 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Students for Carbon Dividends Inc
EIN 825372981 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sun Air Energy Institute
EIN 521151166 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Sunrise Movement Education Fund
EIN 464773036 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sustainable Development Institute
EIN 521899951 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Sustainable Forestry Initiative Inc
EIN 800030060 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sustainable Harvest International
EIN 432023182 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sustainable Waterfronts
EIN 820969404 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Swimmable Greene Acres
EIN 993322895 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Tenleytown Preservation Association
EIN 862770467 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Alliance for Climate Protection
EIN 870745629 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Alliance for Just Deliberation on Solar Geoengineering Inc
EIN 920622322 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Amazon Biodiversity Center
EIN 830572780 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Bureau of Land Management Foundation
EIN 881553091 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Center for Water Security and Cooperation
EIN 474349539 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990