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

  1. 1 for 1 Foundation

    EIN 880680831 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. 11Th and Bark

    EIN 474778485 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Advanced Energy Institute

    EIN 800373801 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Ageing in Place Resource Center Inc

    EIN 223237810 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Alaska Wilderness League

    EIN 521814742 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Alaska Wilderness League Action

    EIN 300233489 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Alliance for Environmental Markets and Investments

    EIN 842345137 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Alliance for Pulp and Paper Technology Innovation

    EIN 451610758 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Alliance for the Chesapeake Bay

    EIN 541060924 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Alliance for Tribal Clean Energy Inc

    EIN 882858979 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Alliance to Save Energy

    EIN 521082991 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Amazon Conservation Association

    EIN 522211305 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Amercian World Tcm Developing Association

    EIN 371931800 · Headquarters: WASHINTON, DC, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  14. American Biogas Council

    EIN 272221142 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. American Common Ground Council Inc

    EIN 820993460 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. American Conservation Coalition Action Inc

    EIN 822038028 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. American Conservation Coalition Inc

    EIN 823815628 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. American Council for Affordable and Reliable Energy

    EIN 270833455 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. American Council for an Energy-efficient Economy

    EIN 942711707 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. American Critical Minerals Association

    EIN 880768296 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. American Energy Education & Research Center Inc

    EIN 465271723 · Headquarters: Washinton DC, DC, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  22. American Flood Coalition Inc

    EIN 831940124 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. American Forest Foundation

    EIN 521235124 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. American Forests

    EIN 530196544 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. American Nursery & Landscape Assn

    EIN 521005854 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990

  26. American Rivers

    EIN 237305963 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. American Society for Public Administration

    EIN 521204199 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. American Wilderness Coalition Inc

    EIN 912110984 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  29. American Wind Energy Association

    EIN 521121931 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990

  30. Americans for a Clean Energy Grid Inc

    EIN 821765854 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Anacostia Community Land Trust

    EIN 743162818 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  32. Anacostia Riverkeeper Inc

    EIN 611574670 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Anacostia Waterfront Trust

    EIN 474353114 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  34. Antarctic and Southern Ocean Coalition

    EIN 521287282 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Applied Ecology for Tropical Resources Program Inc

    EIN 383751536 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Asga Fisheries Policy Alliance Inc

    EIN 853555400 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Association of Clean Water Administrators

    EIN 521072223 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Atomic Heritage Foundation

    EIN 030380408 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Berger Action Fund Inc

    EIN 208948868 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Bess Rural Energy Cooperative Lca

    EIN 334656669 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Beyond Pesticides

    EIN 521360541 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Bezos Earth Fund Foundation

    EIN 931868994 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. Biomass Energy Research Association Inc

    EIN 521246734 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  44. Black Landscape Architects Network

    EIN 852339912 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  45. Blair Road Community Garden Association

    EIN 882636210 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Blue Legacy International

    EIN 460852847 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990

  47. Blueoceanfoundation

    EIN 833389038 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. Bnai Brith Youth Organization

    EIN 300736312 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  49. Bnai Brith Youth Organization

    EIN 371692449 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  50. Bright Angel Frontier Foundation Inc

    EIN 510515718 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  51. Brownfields Stewardship Fund

    EIN 311778425 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  52. Business Council for Sustainable Energy Foundation

    EIN 320491333 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Capital Community Partners

    EIN 464825273 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  54. Capitol Hill Community Garden Land Tr

    EIN 522260469 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Capitol Hill Garden Club Inc

    EIN 611407953 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Carbon Capture Coalition Inc

    EIN 920272760 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Carbon Markets Foundation

    EIN 993819829 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Casey Trees

    EIN 311766444 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Ccap Action Fund

    EIN 271821178 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Ce Buyers Institute

    EIN 842207299 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Center for Alternative Investment Education

    EIN 473467663 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  62. Center for Applied Environmental Law and Policy

    EIN 841890106 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Center for Carbon Removal

    EIN 812560407 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Center for Clean Air Policy

    EIN 521423164 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Center for Climate and Energy Solutions Inc

    EIN 541892252 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Center for Climate Integrity

    EIN 821659823 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Center for Climate Strategies Inc

    EIN 311677573 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Center for Environment Commerce and Energy

    EIN 521438583 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  69. Center for Progressive Reform Inc

    EIN 352182224 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Center for Respect of Life & Environment

    EIN 521520451 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  71. Center for Responsible Travel

    EIN 522391916 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  72. Center for Urban Sustainability

    EIN 472966791 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. CGC

    EIN 900868299 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Circular Action Alliance

    EIN 923197259 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Cities of Seven Continents INC

    EIN 874341664 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Citizens for Responsible Energy Solutions Inc

    EIN 460558330 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Citizens Market Inc

    EIN 770709938 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  78. Clasp

    EIN 331112770 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Clean Air Institute

    EIN 800429122 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  80. Clean Economy Fund

    EIN 922881345 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. Clean Economy Project Inc

    EIN 334863976 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Clean Energy and Sustainability Accelerator

    EIN 852160476 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Clean Energy for America

    EIN 863168346 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Clean Energy For America Education Fund

    EIN 871301787 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Clean Energy Works

    EIN 464930631 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Clean Future Action Fund Inc

    EIN 843858739 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Clean Future Forum Inc

    EIN 843845806 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Clean Hydrogen Future Coalition

    EIN 863514289 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Clean Water Fund

    EIN 521043444 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Cleanpeace

    EIN 455390192 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Clearpath Inc

    EIN 825026325 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Climate Advisers Trust

    EIN 823342907 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Climate Classes Inc

    EIN 881109707 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Climate Equity Action Fund

    EIN 883587010 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Climate Equity Foundation

    EIN 873865074 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Climate Hawks Vote Civic Action

    EIN 475661782 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Climate Inc

    EIN 844876340 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Climate Institute

    EIN 521492178 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Climate Leadership Council Inc

    EIN 813115310 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Climate Power

    EIN 922307261 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

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