Environment nonprofits

Environment nonprofits. Browse 35,718 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. Port Angeles Garden Club

    EIN 910605172 · Headquarters: Port Angeles, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Port Aransas Conservancy

    EIN 831657749 · Headquarters: Port Aransas, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Port Aransas Conservancy Fund

    EIN 843480774 · Headquarters: PORT ARANSAS, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. Port Aransas Garden Club

    EIN 300623637 · Headquarters: PORT ARANASAS, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Port Aransas Garden Club

    EIN 742581092 · Headquarters: Port Aransas, TX, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  6. Port Aransas Rod and Reel Club Inc

    EIN 843700674 · Headquarters: Port Aransas, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Port Canaveral-brevard County Spillage Cleanup Committee Inc

    EIN 237183178 · Headquarters: Cape Canaveral, FL, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  8. Port Costa Conservation Society

    EIN 942589386 · Headquarters: PORT COSTA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Port Huron Garden Club

    EIN 382958091 · Headquarters: FORT GRATIOT, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Port Mansfield Cut and Beach Cleanup Fund

    EIN 811918636 · Headquarters: Deanville, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Port of Houston Partners in Maritime Education Inc

    EIN 273286641 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Port of Wilmington Maritime Society

    EIN 510252394 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  13. Port Parks Alliance

    EIN 921663647 · Headquarters: Newburyport, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Port Pines Heights Property Owners Association Inc

    EIN 591783563 · Headquarters: Big Pine Key, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Port Royal Sound Foundation

    EIN 204431922 · Headquarters: OKATIE, SC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Port St Joe Garden Club Inc

    EIN 010715373 · Headquarters: Port St Joe, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Port St Lucie Botanical Gardens Foundation Inc

    EIN 464335571 · Headquarters: Fort Pierce, FL, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  18. Port St Lucie Orchid Society Inc

    EIN 650727135 · Headquarters: Port St Lucie, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Port Tobacco River Conservancy Inc

    EIN 364577137 · Headquarters: Port Tobacco, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Port Washington Garden Club

    EIN 810617578 · Headquarters: Port Washington, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Portage Chain of Lakes Association

    EIN 842955140 · Headquarters: Backus, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Portage County Master Gardeners

    EIN 364827833 · Headquarters: Ravenna, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Portage Crooked Lakes Improvement Association

    EIN 300477083 · Headquarters: DEERWOOD, MN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Portage River Association Inc

    EIN 392991468 · Headquarters: Oak Harbor, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Porter County Master Gardeners Association

    EIN 260077092 · Headquarters: VALPARAISO, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Porter Foundation

    EIN 270635624 · Headquarters: Davidson, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Porter Lake Association

    EIN 010500019 · Headquarters: Plaistow, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Porterco Conservation Trust Inc

    EIN 814230173 · Headquarters: Chesterton, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Portersville Revival Group

    EIN 201127484 · Headquarters: CODEN, AL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Portland Botanical Gardens

    EIN 844535065 · Headquarters: Portland, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Portland Clean Air

    EIN 811235681 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Portland Dahlia Society

    EIN 301291810 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Portland Energy Conservation Inc

    EIN 930770824 · Headquarters: PORTLAND, OR, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  34. Portland Food Forest Initiative

    EIN 920245068 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Portland Harbor Community Coalition

    EIN 862178469 · Headquarters: Portland, OR, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Portland Monarchs Inc

    EIN 332813092 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Portland Orchid Society

    EIN 680651370 · Headquarters: PORTLAND, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Portland Recycling Team Inc

    EIN 930603076 · Headquarters: portland, OR, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  39. Portland Trails

    EIN 010463028 · Headquarters: PORTLAND, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Portland Waterfront Pavilion Inc

    EIN 832111235 · Headquarters: White Salmon, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Portneuf Greenway Foundation

    EIN 820458456 · Headquarters: POCATELLO, ID, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Portneuf Resource Council Inc

    EIN 854008827 · Headquarters: Pocatello, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Ports of Cause Inc

    EIN 463930494 · Headquarters: WESTON, CT, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. Portsmouth Community Garden

    EIN 871771230 · Headquarters: Kittery, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Portsmouth Garden Club

    EIN 852089119 · Headquarters: Portsmouth, RI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Portsmouth Master Gardeners Association

    EIN 208996636 · Headquarters: Portsmouth, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Portuguese Fraternal Society of America

    EIN 237616053 · Headquarters: San Leandro, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  48. Positively Cats Inc

    EIN 270424777 · Headquarters: Gonzales, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Possum Kingdom Lake Preservation Association

    EIN 830462989 · Headquarters: DALLAS, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Post Brook Farm Country Club

    EIN 221767595 · Headquarters: WEST MILFORD, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Post Carbon Institute

    EIN 651208462 · Headquarters: Corvallis, Oregon, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Post Lake Improvement Association Inc

    EIN 391464822 · Headquarters: Elcho, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Post Oak Resource Conservation and Development Area Inc

    EIN 752265372 · Headquarters: BRYAN, TX, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Post Oak Savannah Prescribed Burn Association

    EIN 933108611 · Headquarters: Segion, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Post Oil Solutions

    EIN 030575791 · Headquarters: Athens, VT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Post Road Well Owners

    EIN 462633443 · Headquarters: Havre, MT, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. Post Wildfire Ohv Recovery Alliance

    EIN 831904613 · Headquarters: Penngrove, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Postcards for the Earth Inc

    EIN 872490480 · Headquarters: Alexandria, VA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  59. PostponeNothingorg

    EIN 863963588 · Headquarters: South Fork, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  60. Potabilis Initiative Inc

    EIN 334931757 · Headquarters: ALBUQUERQUE, NM, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Potato Growers of Oregon Inc

    EIN 930787317 · Headquarters: Echo, OR, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  62. Potawatomi Audubon Society

    EIN 351655765 · Headquarters: MICHIGAN CITY, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Potawatomi Rc&d Council

    EIN 382765861 · Headquarters: MARSHALL, MI, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  64. Poteet Municipal Park Foundation Inc

    EIN 742808719 · Headquarters: Poteet, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Potential Energy Action Network Inc

    EIN 874759225 · Headquarters: NEW YORK, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Potential Energy Dc Inc

    EIN 471631631 · Headquarters: Tampa, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Potential Gas Committee

    EIN 840938684 · Headquarters: Golden, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Potomac Outdoor Discovery Society

    EIN 990802288 · Headquarters: McLean, VA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Potomac River Association Inc

    EIN 521983812 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. Potomac Riverkeeper Network

    EIN 541982624 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Potomac Valley Audubon Society Inc

    EIN 550626891 · Headquarters: SHEPHERDSTOWN, WV, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Potomac Valley Chapter North American Rock Garden Society

    EIN 300246956 · Headquarters: Arlington, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Potomac Village Garden Club

    EIN 272874903 · Headquarters: POTOMAC, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. Potomac Watershed Alliance

    EIN 461349197 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  75. Pottawatomie Garden Club of St Charles

    EIN 030398359 · Headquarters: Saint Charles, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Poudre Heritage Alliance

    EIN 364507550 · Headquarters: WINDSOR, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Poudre Learning Center Foundation I

    EIN 810723214 · Headquarters: GREELEY, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Poudre River Trail Corridor Inc

    EIN 841366598 · Headquarters: WINDSOR, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Poudre Wilderness Volunteers

    EIN 841333391 · Headquarters: Fort Collins, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Poulsbo Garden Club Inc

    EIN 270081009 · Headquarters: Poulsbo, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Poverty Creek Trails Coalition

    EIN 854311928 · Headquarters: Blacksburg, VA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Powder Basin Watershed Council

    EIN 870763085 · Headquarters: Baker City, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Powder River Basin Resource Council

    EIN 742183158 · Headquarters: SHERIDAN, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Powell Area Garden Club

    EIN 311325849 · Headquarters: Powell, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Powell Valley Recycling

    EIN 300537372 · Headquarters: POWELL, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Powellswood Garden Foundation

    EIN 800951486 · Headquarters: FEDERAL WAY, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  87. Power 4 Youth Inc

    EIN 262887082 · Headquarters: Long Beach, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  88. Power 7 Corporation

    EIN 471582260 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  89. Power a Clean Future Ohio

    EIN 921653526 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Power Direct Community Foundation

    EIN 394923849 · Headquarters: Mission Viejo, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Power Environmental Energy Research Ins

    EIN 262880388 · Headquarters: Covina, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Power of Clean Water Inc

    EIN 881653724 · Headquarters: Montclair, NJ, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Power of Liberty

    EIN 812325684 · Headquarters: Brentwood, TN, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990

  94. Power of Partial Improvements Foundation

    EIN 814495671 · Headquarters: Tulsa, OK, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Power of People Community Initiatives Inc

    EIN 993108012 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Power Scuba

    EIN 275554961 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Power Shift Network

    EIN 455616367 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  98. Power Tower Foundation

    EIN 833547148 · Headquarters: HIGHLAND PARK, IL, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  99. Power Up Generator Solutions Inc

    EIN 331354240 · Headquarters: KANSAS CITY, MO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Power2Sustain Inc

    EIN 800526319 · Headquarters: Santa Cruz, CA, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

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