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. The Westport Woman's Club Incorporated

    EIN 060646962 · Headquarters: WESTPORT, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. The Wetland Conservancy Inc

    EIN 453755371 · Headquarters: BURDETT, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. The Wetland Trust Inc

    EIN 262931343 · Headquarters: NEW BERLIN, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. The Wetlands Conservancy Inc

    EIN 930797197 · Headquarters: Portland, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. The Wetlands Foundation Inc

    EIN 311604995 · Headquarters: ALPHARETTA, GA, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  6. The Wetlands Initiative

    EIN 363942451 · Headquarters: CHICAGO, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. The Wetlands Project

    EIN 463088963 · Headquarters: CALLAO, VA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  8. The White Memorial Conservation Center

    EIN 066065807 · Headquarters: LITCHFIELD, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. The Whitemarsh Foundation

    EIN 020545031 · Headquarters: Lafayette Hill, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. The Wilder Trust

    EIN 886588261 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. The Wilderness Center Inc

    EIN 340943581 · Headquarters: WILMOT, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. The Wilderness Land Trust

    EIN 841192823 · Headquarters: HELENA, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. The Wilderness Society

    EIN 530167933 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  14. The Wildlands Conservancy

    EIN 330676450 · Headquarters: Pomona, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. The Wildlifers

    EIN 208290002 · Headquarters: Palmer, AK, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. The Wildwood Conservation Foundation

    EIN 943323073 · Headquarters: GUERNEVILLE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. The Will Erwin Headache Research Foundation

    EIN 464886305 · Headquarters: HOUSTON, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. The William Morgan Foundation for Environmental Excellence

    EIN 880829697 · Headquarters: Minden, NV, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. The Willis Wharf Village Trust Inc

    EIN 541871735 · Headquarters: WILLIS WHARF, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. The Willowwood Foundation

    EIN 226027161 · Headquarters: GLADSTONE, NJ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. The Winnetka Garden Club

    EIN 366089704 · Headquarters: Winnetka, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. The Wisconsin Natural Food Associates Inc

    EIN 391256664 · Headquarters: Poynette, WI, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  23. The Wittenberg Center for Alternative Resources Inc

    EIN 133404018 · Headquarters: Bearsville, NY, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  24. The Women Invested to Save Earth Fund

    EIN 853215631 · Headquarters: Flagstaff, AZ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. The Wood Trails Ranch Property

    EIN 742445077 · Headquarters: Ingram, TX, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  26. The Woodbridge Land Trust Incorporated

    EIN 066067127 · Headquarters: WOODBRIDGE, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. The Woods Water and Wildlife Foundation Inc

    EIN 933193199 · Headquarters: Temple, GA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. The Working Lands Trust Inc

    EIN 462913344 · Headquarters: GOLD HILL, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. The World Flower Council Inc

    EIN 461833670 · Headquarters: HOLLYWOOD, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. The World Sustainable Developm Forum-north America

    EIN 901890760 · Headquarters: NEW YORK, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. The Wr Dickson Cross Fund

    EIN 471294794 · Headquarters: HUNTSVILLE, AL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. The Wyoming Native Plant Society

    EIN 830255133 · Headquarters: Laramie, WY, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  33. The Yakima Environmental Learning Foundation

    EIN 721604550 · Headquarters: TOPPENISH, WA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  34. The Years Project Inc

    EIN 831071156 · Headquarters: MELVILLE, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. The Yes Connection

    EIN 300748143 · Headquarters: Del Valle, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Thealaska Reforestation Council Incorporated

    EIN 920164528 · Headquarters: Fairbanks, AK, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  37. Theatre in the Woods Limited

    EIN 391738752 · Headquarters: SHELL LAKE, WI, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  38. Thecomingsfoundationorg

    EIN 270119876 · Headquarters: Costa Mesa, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. Thegoodland

    EIN 811888423 · Headquarters: Townville, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Thehawaii Island Sustainability Organization

    EIN 300635857 · Headquarters: Pahoa, HI, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  41. Theilman Sportsmans Club Inc

    EIN 411599761 · Headquarters: THEILMAN, MN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Thelate Show Gardens

    EIN 711032250 · Headquarters: KENTFIELD, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  43. Theodore Payne Foundation for Wild Flowers and Native Plants Inc

    EIN 956095398 · Headquarters: SUN VALLEY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Theodore Roosevelt Nature & History Asso

    EIN 456011102 · Headquarters: MEDORA, ND, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Therapeutic Gardens Inc

    EIN 882184761 · Headquarters: ENCINITAS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Theres No Place Like Home the World Is in Your Hands Foundation

    EIN 414893693 · Headquarters: Austin, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Thesustainable Living Institute

    EIN 320042758 · Headquarters: Mukilteo, WA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  48. Theworld Water Organization

    EIN 263008915 · Headquarters: New York, NY, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  49. They Are Stealing from You

    EIN 873846355 · Headquarters: Lake Forest, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Thimmakkas Resources for Environmental Education

    EIN 954712169 · Headquarters: Oakland, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  51. Things That Creep

    EIN 831168329 · Headquarters: Richmond, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Think Beyond Plastic Foundation

    EIN 823886116 · Headquarters: CARMEL, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Think Beyond the Pump

    EIN 861915172 · Headquarters: Kapaau, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Think Earth Enviromental Education Foundation

    EIN 330658992 · Headquarters: SAN DIMAS, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Think Green Inc

    EIN 472382026 · Headquarters: Atlanta, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Think Green Network Inc

    EIN 920304945 · Headquarters: Jacksonville, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Think Twice Drink Twice Foundation

    EIN 815358856 · Headquarters: New York, NY, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  58. Thinkocean Society

    EIN 834518121 · Headquarters: WESTFORD, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Thinkofnature Corp

    EIN 882142374 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Thinkplanet Foundation

    EIN 273150634 · Headquarters: Visalia, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Third Act Education Fund Inc

    EIN 934139858 · Headquarters: NASSAU, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Third House Nature Center Inc

    EIN 113188602 · Headquarters: Montauk, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Third Millennium Alliance

    EIN 263982965 · Headquarters: FREMONT, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Thirst Cure

    EIN 384346333 · Headquarters: tucson, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Thirst Foundation Inc

    EIN 384047624 · Headquarters: New York, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Thirst Inc

    EIN 320589331 · Headquarters: Leavenworth, KS, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  67. Thirsty Ground International

    EIN 464341951 · Headquarters: CORPUS CHRISTI, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. This Is What We Did

    EIN 844756659 · Headquarters: San Jose, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Thomas Cemetery Association

    EIN 300950765 · Headquarters: N Little Rock, AR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Thomas Jefferson Water Resources Protection Fdn

    EIN 141885783 · Headquarters: Charlottesville, VA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  71. Thomas Lake Association Inc

    EIN 350983218 · Headquarters: GREENCASTLE, IN, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  72. Thomas Pond Improvement Association

    EIN 993243037 · Headquarters: South Casco, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Thomason Bowie Foundation

    EIN 562066513 · Headquarters: IVA, SC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  74. Thomaston Garden Club

    EIN 861659095 · Headquarters: Thomaston, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Thomasville Garden Club Inc

    EIN 580666970 · Headquarters: THOMASVILLE, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Thompson Chain of Lakes Stewardship Coalition

    EIN 884061045 · Headquarters: LIBBY, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Thompson Divide Coalition-a Colorado Nonprofit Corporation

    EIN 454782560 · Headquarters: Carbondale, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Thompson Lake Environmental Association Inc

    EIN 222823791 · Headquarters: OXFORD, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. Thompsons Station Battlefield Inc

    EIN 262529707 · Headquarters: Thompsons Stn, TN, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  80. Thoreau Wildlife Reserve Inc

    EIN 475650292 · Headquarters: DEFIANCE, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  81. Thorium Energy Alliance

    EIN 451960267 · Headquarters: HARVARD, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Thorndike Pond Conservation Association

    EIN 550799298 · Headquarters: JAFFREY, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Thorne Bay King Salmon Derby

    EIN 920098644 · Headquarters: Thorne Bay, AK, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  84. Thorne Ecological Institute

    EIN 846029250 · Headquarters: BOULDER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Thornscrub Sanctuary of South Texas Inc

    EIN 991981439 · Headquarters: Mission, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Thornton Burgess Society Inc

    EIN 042591080 · Headquarters: EAST SANDWICH, MA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990

  87. Thornton Creek Alliance

    EIN 911635034 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Thoroughbred Resource Conservation and Development Council Inc

    EIN 611268280 · Headquarters: Georgetown, KY, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  89. Thorpewood Inc

    EIN 992544901 · Headquarters: THURMONT, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Thousand Islands Divers Alliance

    EIN 394885597 · Headquarters: LaFargeville, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Thousand Islands Land Trust Inc

    EIN 222629183 · Headquarters: CLAYTON, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Thousand Islands Watershed Land Trust

    EIN 981057492 · Headquarters: ATHENS, ONTARIO, CA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Thousand Springs Water Users Association Inc

    EIN 030543117 · Headquarters: Hagerman, ID, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Thousand Tree Fund Inc

    EIN 832707624 · Headquarters: Fairfax, VA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Thrappas Memorial Foundation

    EIN 934651360 · Headquarters: San Diego, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  96. Three Aunties

    EIN 460606230 · Headquarters: Gainesville, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Three Bays Preservation Inc

    EIN 043338308 · Headquarters: OSTERVILLE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Three Birds

    EIN 452985506 · Headquarters: Herndon, VA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  99. Three Degrees Warmer

    EIN 464215241 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. Three Ecos Foundation Inc

    EIN 921422276 · Headquarters: BLACK EARTH, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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