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. Kitsap Audubon Society

    EIN 911288921 · Headquarters: POULSBO, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Kitsap Citizens for Rural Preservation

    EIN 911639826 · Headquarters: Port Orchard, WA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  3. Kitsap County Dahlia Society

    EIN 916059875 · Headquarters: Bremerton, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Kitsap Environmental Coalition

    EIN 831858726 · Headquarters: Indianola, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Kitsap Trees & Shoreline Association

    EIN 510589880 · Headquarters: Bremerton, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Kittery Land Trust Inc

    EIN 222858759 · Headquarters: KITTERY, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Kittitas County Conservation Coalition

    EIN 830463911 · Headquarters: Easton, WA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Kittitas County Rodeo Grounds Fund

    EIN 943170727 · Headquarters: ELLENSBURG, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. Kittitas Environmental Education NETwork

    EIN 223849021 · Headquarters: Ellensburg, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Kitzhaber Center

    EIN 061729632 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  11. Klamath Basin Alliance Inc

    EIN 201744387 · Headquarters: Klamath Falls, OR, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  12. Klamath Basin Rangeland Trust

    EIN 460472154 · Headquarters: KLAMATH FALLS, OR, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990

  13. Klamath Community Forestry Council Inc

    EIN 911823452 · Headquarters: KLAMATH FALLS, OR, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Klamath Forest Alliance

    EIN 680204089 · Headquarters: ARCATA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Klamath Greenways Foundation

    EIN 260790293 · Headquarters: Klamath Falls, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Klamath Lake Land Trust

    EIN 272927649 · Headquarters: KLAMATH FALLS, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Klamath Off-project Water Users Inc

    EIN 201672222 · Headquarters: KLAMATH FALLS, OR, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  18. Klamath River Inter-tribal Fish & Water Commission

    EIN 680443662 · Headquarters: KLAMATH FALLS, OR, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  19. Klamath River Renewal Corporation

    EIN 812761910 · Headquarters: BERKELEY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Klamath Riverkeeper

    EIN 061824792 · Headquarters: ASHLAND, OR, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  21. Klamath Watershed Partnership Bill Lehman

    EIN 931215213 · Headquarters: KLAMATH FALLS, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Klamath Wetland Education and Research Institute

    EIN 274327754 · Headquarters: Eugene, OR, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  23. Klamath-lake Forest Health Partnership

    EIN 201993115 · Headquarters: Klamath Falls, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Klamath-siskiyou Wildlands Center

    EIN 931246139 · Headquarters: ASHLAND, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Klean Gorge

    EIN 862719191 · Headquarters: Cascade Locks, OR, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Klean Kensington Inc

    EIN 934668270 · Headquarters: Philadelphia, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Klear Foundation

    EIN 474921679 · Headquarters: SAINT LOUIS, MO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  28. Klehm Arboretum and Botanic Garden Inc

    EIN 363676875 · Headquarters: ROCKFORD, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Klehm Arboretum Foundation

    EIN 205485744 · Headquarters: ROCKFORD, IL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Kleiwerks International

    EIN 204358819 · Headquarters: ASHEVILLE, NC, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990

  31. Klemo Foundation

    EIN 883466304 · Headquarters: ENCINITAS, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Klemwood Garden Club

    EIN 134274998 · Headquarters: Webster, NY, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  33. Klickitat Trail Conservancy Inc

    EIN 830348712 · Headquarters: Lyle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. KMTA | Kenai Mountains-Turnagain Arm

    EIN 920173900 · Headquarters: Girdwood, AK, United States · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  35. Knight Park Trustees

    EIN 210664283 · Headquarters: COLLINGSWOOD, NJ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Knights Ferry Garden Club

    EIN 384100319 · Headquarters: oakdale, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Knights of Peter Claver Council 171

    EIN 861904124 · Headquarters: Jackson, MS, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Knights of the Climate Covenant

    EIN 871283065 · Headquarters: FARGO, ND, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Knightsen Garden Club

    EIN 946120783 · Headquarters: Knightsen, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  40. Knobandvalleyaudubonsocietyofsouthernindiana

    EIN 352123667 · Headquarters: NEWALBANY, IN, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  41. Knobstone Hiking Trail Association Inc

    EIN 461752828 · Headquarters: Martinsville, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Knock Knock Children's Museum Inc

    EIN 731701786 · Headquarters: BATON ROUGE, LA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Knollwood Neighbors

    EIN 200405145 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. Knoppelasen

    EIN 992578794 · Headquarters: ANZA, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Knowledge Point Network

    EIN 850780542 · Headquarters: Livingston, TX, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Knox County Cisma

    EIN 824515941 · Headquarters: Vincennes, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Knox County Master Gardeners

    EIN 455393252 · Headquarters: Knoxville, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Knoxville Bonsai Society

    EIN 760822596 · Headquarters: Knoxville, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Knoxville Botanical Gardens and Arboretum

    EIN 621868560 · Headquarters: KNOXVILLE, TN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Knoxville Dahlia Society

    EIN 923322675 · Headquarters: Knoxville, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Knoxville Garden Club Inc

    EIN 626046356 · Headquarters: KNOXVILLE, TN, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Knoxville Gem & Mineral Society Inc

    EIN 621483047 · Headquarters: Knoxville, TN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Knoxville Recycling Coalition

    EIN 581627464 · Headquarters: OAK RIDGE, TN, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  54. Koa Cloud Forest Conservancy

    EIN 415179081 · Headquarters: Ocean View, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Kodc

    EIN 871544510 · Headquarters: GILBERT, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Koenig's Conservation Association Inc

    EIN 474696006 · Headquarters: SHEBOYGAN FALLS, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Kogia

    EIN 883688715 · Headquarters: Haiku, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Kohala Community Land Tr

    EIN 912158394 · Headquarters: Kapaau, HI, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  59. Kohala Lihikai

    EIN 453104951 · Headquarters: Kapaau, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Kohler Trust for Clean Water

    EIN 326513655 · Headquarters: KOHLER, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Kohler Trust for Preservation

    EIN 391579803 · Headquarters: KOHLER, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Kohola Foundation

    EIN 851690350 · Headquarters: HONOLULU, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Kokosing Gap Trail Inc

    EIN 311333783 · Headquarters: Gambier, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Kokua Hawaii Foundation C/o High Note Managementinc

    EIN 200315475 · Headquarters: SAN RAFAEL, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Kolelemook Lake Protective Association

    EIN 863268577 · Headquarters: Springfield, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Kollel Chatzos

    EIN 453565143 · Headquarters: Monroe, NY, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  67. Koloa Community Association

    EIN 996015742 · Headquarters: Koloa, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Kolon City Development Corporation

    EIN 884409275 · Headquarters: SAN FRANCISCO, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Komeza Foundation

    EIN 331774125 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Kompost Kids Inc

    EIN 611659525 · Headquarters: Milwaukee, WI, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  71. Kona Outdoor Circle Education Center

    EIN 990253079 · Headquarters: KAILUAKONA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Konchenko Foundation Inc

    EIN 334597542 · Headquarters: Fountain Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Konea Ola

    EIN 923343269 · Headquarters: KEALAKEKUA, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Koolhof Earth Inc

    EIN 270838831 · Headquarters: Pasadena, MD, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  75. Kooskooskie Commons

    EIN 911889153 · Headquarters: WALLA WALLA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Kootenai Environmental Alliance

    EIN 820342101 · Headquarters: COEUR DALENE, ID, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  77. Kootenai Forest Stakeholders Coalition

    EIN 205949204 · Headquarters: Plains, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Kootenai Land and Resource Conservation Trust

    EIN 451864690 · Headquarters: Coeur dAlene, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Kootenai River Network

    EIN 810500605 · Headquarters: Libby, MT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Kordiak Park Lake Association

    EIN 394157858 · Headquarters: Columbia Heights, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Korean American Environmental Professionals Association

    EIN 954428606 · Headquarters: City of Inudstry, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  82. Korean American Green Action Coalition

    EIN 264058204 · Headquarters: Diamond Bar, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  83. Korean American Green Community Inc

    EIN 994518325 · Headquarters: PEACHTREE CORNERS, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Korean-american Society of Civil & Environmental Engineers

    EIN 454762367 · Headquarters: City of Industry, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  85. Kosciusko Runners' Association

    EIN 264481077 · Headquarters: Winona Lake, IN, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  86. Kosciusko Water & Woodland Invasive Partnership

    EIN 854244715 · Headquarters: North Webster, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Koscove Agricultural Learning Center

    EIN 991319124 · Headquarters: Gardner, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Kosmographic Research Institute Inc

    EIN 883293883 · Headquarters: DECATUR, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Kp Lake Area Property Owners Association

    EIN 844907578 · Headquarters: Flushing, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Kpelleh Water Inc

    EIN 872762836 · Headquarters: SLATERSVILLE, RI, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  91. Kress Farm Garden Preserve

    EIN 562476514 · Headquarters: Hillsboro, MO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Krewe Du Cypress

    EIN 922370426 · Headquarters: New Orleans, LA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Kreyer Conservation

    EIN 874829823 · Headquarters: Sioux Falls, SD, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  94. Kristas Legacy Foundation

    EIN 873807635 · Headquarters: El Paso, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Kroka Expeditions Inc

    EIN 043341632 · Headquarters: MARLOW, NH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Kruckeberg Botanic Garden Foundation

    EIN 911997091 · Headquarters: Shoreline, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Krushan Foundation

    EIN 874716839 · Headquarters: Wimberley, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Ks Mo Gas Coalition Association

    EIN 863001231 · Headquarters: OVERLAND PARK, KS, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  99. Kshema Foundation Inc

    EIN 334939147 · Headquarters: HERNDON, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Ktany Inc

    EIN 921549052 · Headquarters: NEW YORK, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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