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. Three Forks Heritage Alliance

    EIN 261816576 · Headquarters: Decatur, GA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  2. Three H Learning Center Inc Three H Learning Center Inc

    EIN 650193322 · Headquarters: DADE CITY, FL, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  3. Three Lakes Fish & Wildlife Improvement Assoc

    EIN 391687970 · Headquarters: THREE LAKES, WI, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. Three Lakes Improvement Association

    EIN 412068968 · Headquarters: Spirit Lake, IA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  5. Three Lakes Waterfront Association

    EIN 237303472 · Headquarters: Three Lakes, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Three Lakes Watershed Association Inc

    EIN 841140934 · Headquarters: Grand Lake, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Three Little Birds Gardens

    EIN 844790590 · Headquarters: CHICAGO, IL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Three Mountain Alliance Foundation

    EIN 472233528 · Headquarters: VOLCANO, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Three Mountains Organization

    EIN 331286636 · Headquarters: EL PASO, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Three Ponds Protective Association

    EIN 202750646 · Headquarters: MILTON, NH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Three Rivers

    EIN 351605816 · Headquarters: Woodburn, IN, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  12. Three Rivers Alliance

    EIN 263070018 · Headquarters: WRAY, CO, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  13. Three Rivers Birding Inc

    EIN 311021542 · Headquarters: FORT WAYNE, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Three Rivers Business Alliance Inc

    EIN 473088844 · Headquarters: Channahon, IL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  15. Three Rivers Conservation Club Inc

    EIN 264641924 · Headquarters: Defiance, OH, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  16. Three Rivers Fnpc Incorporated

    EIN 113661440 · Headquarters: Gainesville, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Three Rivers Garden Club

    EIN 301402364 · Headquarters: Charles city, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Three Rivers Land Trust

    EIN 010539771 · Headquarters: ALFRED, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. Three Rivers Land Trust Inc

    EIN 561920846 · Headquarters: SALISBURY, NC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Three Rivers Resource Conservation and Development Council Inc

    EIN 820457984 · Headquarters: AMERICAN FALLS, ID, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  21. Three Rivers Solid Waste Authority

    EIN 571098783 · Headquarters: Jackson, SC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Three Rivers Sportsmans Alliance Inc

    EIN 462676750 · Headquarters: BORING, OR, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  23. Three Rivers Waterkeeper

    EIN 270486655 · Headquarters: Pittsburgh, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Three Sequoia Land Conservation

    EIN 474728232 · Headquarters: PORTLAND, OR, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Three Tiers for Connecticut Inc

    EIN 841940167 · Headquarters: NORWALK, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Three Trees Forest Adventures

    EIN 932458386 · Headquarters: PARKVILLE, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Three Valley Conservation Trust

    EIN 311418241 · Headquarters: OXFORD, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Three Village Community Trust Inc

    EIN 141889124 · Headquarters: Setauket, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Thriftology

    EIN 825039752 · Headquarters: Sioux City, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Thrive Community Enrichment & Development Corporation

    EIN 842408948 · Headquarters: LAKE CHARLES, LA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Thrive Conservation

    EIN 851037276 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Thrive Outside

    EIN 823359311 · Headquarters: BRISTOL, RI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Thrive Tribe Foundation

    EIN 464093810 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Thrivent Financial for Lutherans

    EIN 237431154 · Headquarters: Minneapolis, MN, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  35. Thriving Earth

    EIN 263352911 · Headquarters: Albuquerque, NM, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Thriving Table Inc

    EIN 455585345 · Headquarters: San Leandro, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Thriving Waters International

    EIN 841752432 · Headquarters: Fortville, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Through the Lens

    EIN 831243236 · Headquarters: Council Bluffs, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Thrun Foundation

    EIN 208869124 · Headquarters: Maumee, OH, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  40. Thumb Land Convervancy

    EIN 412247569 · Headquarters: Marlette, MI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Thunder Basin Grasslands Prairie Ecosystem Association

    EIN 830332000 · Headquarters: DOUGLAS, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Thunder Bay River Center Inc

    EIN 811641673 · Headquarters: ALPENA, MI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. Thunder Bay River Restoration

    EIN 813771095 · Headquarters: Alpena, MI, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  44. Thunder Bay River Watershed Council

    EIN 382357398 · Headquarters: Alpena, MI, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  45. Thunder Bay Trails Association

    EIN 311566254 · Headquarters: OSSINEKE, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Thunder Eagle Wildlife

    EIN 462960025 · Headquarters: Mckenney, VA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  47. Thunder Island Eagle Area Lakes Association Ltd

    EIN 272571595 · Headquarters: CRIVITZ, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Thunder Ridge Refuge

    EIN 201753398 · Headquarters: Los Alamos, NM, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  49. Thunder River Foundation

    EIN 841444057 · Headquarters: aspen, CO, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  50. Thunderbeard Outdoor Restoration Organization

    EIN 475033526 · Headquarters: CORNVILLE, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Thurman-zumwalt Foundation for Infectious and Toxic Agents

    EIN 562264997 · Headquarters: Raleigh, NC, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  52. Thurston Climate Action Team

    EIN 270749507 · Headquarters: Olympia, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Tianas Project

    EIN 020724685 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  54. Ticatove Inc

    EIN 660683333 · Headquarters: Vieques, PR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Tickfaw 200 Inc

    EIN 721446849 · Headquarters: SPRINGFIELD, LA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  56. Tidal Shift Inc

    EIN 994967368 · Headquarters: MT PLEASANT, SC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Tide and Thread Foundation

    EIN 334497127 · Headquarters: Hayward, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Tide Sw Foundation

    EIN 851691315 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. Tidelands Coalition Inc

    EIN 811681159 · Headquarters: Brunswick, ME, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  60. Tidelands Initiative

    EIN 991668335 · Headquarters: Westfield, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Tidewater & Lowcountry Conservancy

    EIN 412743527 · Headquarters: Hardeeville, SC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Tidewater Conservation Foundation

    EIN 205720489 · Headquarters: Portland, ME, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  63. Tidewater Daylily Society Inc

    EIN 814212647 · Headquarters: Craddockville, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Tidewater Institute

    EIN 205674863 · Headquarters: Old Saybrook, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Tidewaters Gateway Partnership Inc

    EIN 201353402 · Headquarters: Doylestown, PA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Tidy Seas

    EIN 992007470 · Headquarters: GOLETA, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Tidy Up Tomball Inc

    EIN 933539561 · Headquarters: Tomball, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Tier Defenders Inc

    EIN 392428293 · Headquarters: Fairfax, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Tier Energy Network Inc

    EIN 833780103 · Headquarters: ENDICOTT, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Tierra Amarilla Mutual Domestic Water Consumer Association

    EIN 237162500 · Headquarters: Tierra Amarilla, NM, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  71. Tierra Bonita of Valencia County

    EIN 850377514 · Headquarters: Belen, NM, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  72. Tierra Del Sol Institute

    EIN 020682976 · Headquarters: TUCSON, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Tierra Grande Texas Master Naturalist

    EIN 203700681 · Headquarters: ALPINE, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Tierra International Foundation

    EIN 811757210 · Headquarters: Lafitte, LA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Tierramar Science Institute

    EIN 854116429 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Tierrascape Improvements Charities

    EIN 934560007 · Headquarters: El Mirage, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Ties to La Tierra

    EIN 990469036 · Headquarters: ALICE, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Tiffany Project

    EIN 463330611 · Headquarters: KAMUELA, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Tiger Cat Flowage Lake Association Inc

    EIN 822972447 · Headquarters: Hayward, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Tiger Roots Green Collective Inc

    EIN 412959830 · Headquarters: Chapel Hill, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Tiger Woods Learning Center Foundation - DC

    EIN 261175108 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990

  82. TigerMountain Foundation Inc

    EIN 270806147 · Headquarters: Tempe, AZ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Tightline Adventure

    EIN 465025178 · Headquarters: Tacoma, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  84. Tightlined Conservation Coalition Inc

    EIN 834482511 · Headquarters: Lyme, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Tigray Womens Community Florida Inc

    EIN 861995833 · Headquarters: JACKSONVILLE, FL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Tikkun Hayam-repair the Sea Inc

    EIN 873029570 · Headquarters: Tampa, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Tilden Picnic Committee

    EIN 830908093 · Headquarters: Tilden, IL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Till and Keep Inc Nfp

    EIN 822084270 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  89. Tillamook Estuaries Partnership

    EIN 020584357 · Headquarters: GARIBALDI, OR, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  90. Tilleda Sno-riders Inc

    EIN 731720315 · Headquarters: GRESHAM, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Tillers & Toilers Garden Club

    EIN 030453736 · Headquarters: Newark Valley, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Tilth Alliance

    EIN 943261971 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Timber Lake Conservancy Inc

    EIN 994784112 · Headquarters: LYNCHBURG, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Timber Point Center

    EIN 461929990 · Headquarters: Biddeford, ME, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  95. Timber Ridge Environmental Center

    EIN 874175946 · Headquarters: NASHVILLE, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Timber Trails Association

    EIN 362882077 · Headquarters: Northbrook, IL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  97. Timberline Booster Club Incorporated

    EIN 460951422 · Headquarters: weippe, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Timberview Farmstead Inc

    EIN 862067371 · Headquarters: FORT WORTH, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Timberwise Charitable Foundation

    EIN 873185352 · Headquarters: Langley, CA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Timbrlife 2 0 Inc

    EIN 851040615 · Headquarters: Winneconne, WI, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

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