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. Citizens to Protect Smith Valley Nv Inc

    EIN 335065955 · Headquarters: Wellington, NV, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Citizens to Save Our Environment

    EIN 431589839 · Headquarters: Webb City, MO, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  3. Citizens to Stop the Sr169 Asphalt Plant Legal Fund

    EIN 833366502 · Headquarters: MAPLE VALLEY, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Citizens United for Resources and Environment Inc

    EIN 954830802 · Headquarters: RIVERSIDE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Citizens United for Responsible Energy Development

    EIN 300528462 · Headquarters: Pinedale, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Citizens United for Responsible Energy Development Nfp

    EIN 923488123 · Headquarters: AVISTON, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Citizens United to Protect Hawk Island

    EIN 223410645 · Headquarters: DELANCO, NJ, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  8. Citizens Utility Board of Ohio

    EIN 852183855 · Headquarters: LAKEWOOD, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Citizens Vision

    EIN 341903093 · Headquarters: Cleveland, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  10. Citizens Water Advocacy Group

    EIN 760766410 · Headquarters: Prescott, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Citizens Who Care Inc

    EIN 061598179 · Headquarters: GOSHEN, NY, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  12. Citizens' Climate International Corp

    EIN 862244197 · Headquarters: CORONADO, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  13. Citizens4h2o Inc

    EIN 824180471 · Headquarters: Palm City, FL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  14. Citrus Chapter of the Florida Native Plant Society Inc

    EIN 593725446 · Headquarters: Lecanto, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Citrus Grower Associates Inc

    EIN 592232724 · Headquarters: Sebring, FL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  16. City Bright

    EIN 830778442 · Headquarters: LAFAYETTE HILL, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. City Carshare

    EIN 943301753 · Headquarters: AUSTIN, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. City Farmers Helping Others

    EIN 473281736 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. City Fresh

    EIN 522237568 · Headquarters: Oberlin, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. City Gardens Club of New York City

    EIN 131568725 · Headquarters: NEW YORK, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. City Grazing

    EIN 352566095 · Headquarters: Tecopa, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. City Green Inc

    EIN 201065250 · Headquarters: CLIFTON, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. City Island Gateway Inc

    EIN 833904085 · Headquarters: Bronx, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. City Island Oyster Reef Inc

    EIN 843304186 · Headquarters: BRONX, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. City of Buffalo Charitable Foundation

    EIN 830276382 · Headquarters: BUFFALO, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. City of Gardena Public Improvement Corporation

    EIN 954075592 · Headquarters: Gardena, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  27. City of Oaks Foundation Inc

    EIN 274467111 · Headquarters: RALEIGH, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. City of Shenandoah Land Trust

    EIN 261632732 · Headquarters: Shenandoah, TX, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. City Parks Conservancy

    EIN 300129901 · Headquarters: Little Rock, AR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. City Parks Institute of Philadelphia

    EIN 820543224 · Headquarters: Philadelphia, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. City Rockeries

    EIN 263303058 · Headquarters: W Gilgo Beach, NY, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  32. City Seeds Inc

    EIN 562252515 · Headquarters: Asheville, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. City Wide Pride Committee Inc

    EIN 371432413 · Headquarters: Lubbock, TX, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  34. Citysprouts Inc

    EIN 043521413 · Headquarters: CAMBRIDGE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Civic Garden Center of Greater Cincinnati

    EIN 310559893 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Civics United for Railroad Environmental Solutions Inc

    EIN 455049995 · Headquarters: Middle Village, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Civil Air Patrol

    EIN 541695121 · Headquarters: Danville, VA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  38. Civilian Exposure

    EIN 471383216 · Headquarters: Cape Carteret, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Civilization Research Institute

    EIN 844016495 · Headquarters: HENDERSONVILLE, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Civilization Works

    EIN 812714086 · Headquarters: ALBANY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Civita Public Maintenance Corporation

    EIN 464716959 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Clackamas River Basin Council Inc

    EIN 911838169 · Headquarters: Clackamas, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Clade Foundation Inc

    EIN 871964348 · Headquarters: Franklin, ID, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  44. Claggett Creek Watershed Council

    EIN 334533878 · Headquarters: Keizer, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Clam Diggers Association of Oregon

    EIN 261102517 · Headquarters: Newport, OR, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  46. Clam Falls Flowage Lake Association

    EIN 843150370 · Headquarters: Frederic, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Clam Lake Forest Riders Inc

    EIN 463911694 · Headquarters: CLAM LAKE, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Clamshell-bertha Lakes Association

    EIN 300657946 · Headquarters: Pequot Lakes, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Clan Rose Society of America

    EIN 237112660 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  50. Clara Home and Garden Club

    EIN 208326106 · Headquarters: Waynesboro, MS, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  51. Clare Rotary Charitable Foundation Inc

    EIN 821563276 · Headquarters: Clare, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Claremont Canyon Conservancy

    EIN 010620297 · Headquarters: Berkeley, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Claremont Hills Conservation Corp

    EIN 954618459 · Headquarters: Claremont, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  54. Claremont Preservation Coalition

    EIN 821712087 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Clarence Schock Memorial Park at Governor Dick Inc

    EIN 251820524 · Headquarters: MT GRETNA, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Clarendon Hills Park Foundation

    EIN 010651559 · Headquarters: Clarendon Hills, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Clark Cooper Community Gardens Inc

    EIN 043571421 · Headquarters: Mattapan, MA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  58. Clark County Farm Forestry Assoc

    EIN 911502237 · Headquarters: Battle Ground, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Clark Fork Coalition

    EIN 363428665 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Clark Fork River Market Inc

    EIN 202933690 · Headquarters: MISSOULA, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Clark Fork River Technical Assistance Committee

    EIN 611704782 · Headquarters: Deer Lodge, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Clark Lake Conservation Association

    EIN 410854564 · Headquarters: NISSWA, MN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Clark Rogerson Foray Association Inc

    EIN 872286618 · Headquarters: Eastchester, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Clark Skamania Flyfishers

    EIN 311602426 · Headquarters: Vancouver, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Clarkesville Greenways Inc

    EIN 204267218 · Headquarters: Clarkesville, GA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Clarks Fork Yellowstone Partnership

    EIN 881034391 · Headquarters: Roberts, MT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Clarks Lake Advancement Association Inc

    EIN 391389570 · Headquarters: STURGEON BAY, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Clarks Pond Watershed Association

    EIN 812256316 · Headquarters: Amesbury, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Clarks Run Environmental & Educational Corporation

    EIN 202977764 · Headquarters: Danville, KY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Clarkston Community Garden

    EIN 272208099 · Headquarters: CLARKSTON, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Clarkstown for Climate Inc

    EIN 990434657 · Headquarters: Congers, NY, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  72. Clarksville Pond Association

    EIN 352384515 · Headquarters: Clarksville, NH, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  73. Clary Lake Association

    EIN 010495730 · Headquarters: Whitefield, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Clasp

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

  75. Class 4 Winds Inc

    EIN 262563455 · Headquarters: AMARILLO, TX, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  76. Classroom For Climate Action

    EIN 881484781 · Headquarters: Louisville, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Classy Ladies Social Club of California

    EIN 870744802 · Headquarters: Fairfield, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. Clay Trail Alliance Inc

    EIN 202840468 · Headquarters: MOORHEAD, MN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Claybird Bee Education Association

    EIN 471229113 · Headquarters: Opelika, AL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Claymont Coalition for Environmental Justice Inc

    EIN 994655207 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Clayton Appalachian Community Council Inc

    EIN 331579565 · Headquarters: CLAYTON, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Clayton County Conservation Awareness Network Inc

    EIN 452067602 · Headquarters: Elkader, IA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  83. Clayton County Energy District

    EIN 814518964 · Headquarters: Elkader, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Clayton Floral Society Inc

    EIN 830684732 · Headquarters: Jamesville, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Clayton Land Holding Co Inc

    EIN 742073575 · Headquarters: Carson City, NV, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  86. Clean & Green Pomona

    EIN 834221264 · Headquarters: Pomona, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Clean 4 Change Inc

    EIN 873044123 · Headquarters: Louisville, KY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Clean Air & Water Council

    EIN 811806983 · Headquarters: Southampton, PA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  89. Clean Air & Water Inc

    EIN 205197041 · Headquarters: TRAIL, OR, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  90. Clean Air Board of Central Pennsylvania

    EIN 204193704 · Headquarters: Carlisle, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Clean Air California

    EIN 874292770 · Headquarters: San Rafael, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  92. Clean Air Clear Lake

    EIN 760622193 · Headquarters: Seabrook, TX, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  93. Clean Air Coalition Of North Whittier and Avocado Heights

    EIN 831103587 · Headquarters: LA PUENTE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Clean Air Coalition of Western New York Inc

    EIN 270746038 · Headquarters: BUFFALO, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Clean Air Communities Inc

    EIN 043542265 · Headquarters: BOSTON, MA, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  96. Clean Air Council

    EIN 231683461 · Headquarters: Philadelphia, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Clean Air Force of Central Texas

    EIN 742768391 · Headquarters: Austin, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Clean Air Institute

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

  99. Clean Air Now

    EIN 330087555 · Headquarters: RIVERSIDE, CA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  100. Clean Air Now Coalition

    EIN 873808311 · Headquarters: Sausalito, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

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