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. Highlands County Audubon Society in C

    EIN 592807100 · Headquarters: Lake Placid, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Highlands Glacial Lakes Initiative Inc

    EIN 844228375 · Headquarters: Somerville, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Highlands Neighborhood Preservation Inc

    EIN 872905150 · Headquarters: Highlands, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Highlands Plateau Audubon Society

    EIN 562001704 · Headquarters: Highlands, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Highlands Plateau Greenway Inc

    EIN 300452595 · Headquarters: Highlands, NC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Highlands Tourism Partnership

    EIN 271189825 · Headquarters: PHILLIPSBURG, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Highlands-Cashiers Land Trust Inc

    EIN 561216642 · Headquarters: Highlands, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Highline Botanical Garden Foundation

    EIN 311596850 · Headquarters: SeaTac, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. HIGHTS Inc

    EIN 261566023 · Headquarters: Cullowhee, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Highway 13 Butterfly Trail

    EIN 994622218 · Headquarters: Hamilton, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Hihifo Sports Development and Rescue Center Inc

    EIN 932259499 · Headquarters: San Bruno, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  12. Hike Toronto

    EIN 932750908 · Headquarters: Toronto, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Hikers Haven Hostel

    EIN 933254325 · Headquarters: HOLMES, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Hikeup

    EIN 352605707 · Headquarters: Maple Grove, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Hiki Ola

    EIN 832838760 · Headquarters: KEALAKEKUA, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Hiking Heroes Incorporated

    EIN 845185079 · Headquarters: Vienna, VA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Hiking Plus You

    EIN 814727673 · Headquarters: EASTVALE, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  18. Hiking Trails for America Inc

    EIN 464291394 · Headquarters: St Augustine, FL, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Hiland Lake Conservancy

    EIN 853025975 · Headquarters: Pinckney, MI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Hill and Dale Garden Club

    EIN 141975817 · Headquarters: BRISTOL, TN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Hill and Valley Garden Club

    EIN 832480793 · Headquarters: Kendrick, ID, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Hill City Evergreen Garden Club

    EIN 462329251 · Headquarters: Hill City, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Hill Country Alliance

    EIN 260106908 · Headquarters: Austin, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Hill Country Bloomers

    EIN 352702212 · Headquarters: Cedar Park, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Hill Country Conservancy

    EIN 742948145 · Headquarters: Austin, Texas, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Hill Country Land Trust Inc

    EIN 742907255 · Headquarters: FREDERICKSBURG, TX, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  27. Hill Country Master Naturalist

    EIN 270587584 · Headquarters: Kerrville, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Hill Country Preservation Coalition

    EIN 412573026 · Headquarters: Utopia, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Hill Country Unit of the Herb Society of America Inc

    EIN 800195163 · Headquarters: Wimberley, TX, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Hill Country Watershed Alliance Inc

    EIN 933368956 · Headquarters: Viroqua, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Hill East Community Garden

    EIN 113808226 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Hill Top Haven Agri-center

    EIN 990898840 · Headquarters: Berkeley Springs, WV, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Hillbilly Garden Club

    EIN 823357884 · Headquarters: OZARK, MO, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  34. Hillcrest Estates Landscape Program

    EIN 752768292 · Headquarters: frisco, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Hills Conservation Network

    EIN 272449885 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Hillsborough Area Renewable Energy Initiative

    EIN 932439619 · Headquarters: Mont Vernon, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Hillsborough Beautification Foundation

    EIN 911883931 · Headquarters: HILLSBOROUGH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Hillsborough County Area Renewable Energy Initiative

    EIN 460747914 · Headquarters: Mont Vernon, NH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  39. Hillsborough Garden Club

    EIN 237134059 · Headquarters: BURLINGAME, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Hillsborough Garden Club Trust

    EIN 237165097 · Headquarters: BURLINGAME, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. Hillsborough River Connection Corp

    EIN 844318652 · Headquarters: Tampa, FL, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Hillsborough River Watershed Alliance Inc

    EIN 200147812 · Headquarters: Land O Lakes, FL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  43. Hillsdale County Conservation Club Incorporated

    EIN 237409495 · Headquarters: OSSEO, MI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Hillsdale Environmental Loss Prevention Inc

    EIN 262179030 · Headquarters: Edgeton, KS, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  45. Hillside Garden Club Inc

    EIN 813588620 · Headquarters: Lynchburg, VA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Hillside Victory Community Garden Club

    EIN 272181484 · Headquarters: Hillside, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Hilltop Conservancy Inc

    EIN 593773582 · Headquarters: Verona, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Hilltop Lakes Garden Club

    EIN 993515045 · Headquarters: Hilltop Lakes, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Hilltop Sport & Conservation Inc

    EIN 061306287 · Headquarters: Brewster, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Hilltop-locust Group

    EIN 912171297 · Headquarters: Lynnwood, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Hilltown Land Trust Inc

    EIN 222831145 · Headquarters: ASHFIELD, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Hillwinds Conservation Lands Inc

    EIN 030107290 · Headquarters: Brattleboro, VT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Hilo Orchid Society Inc

    EIN 990236744 · Headquarters: Hilo, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Hilton Garden Club

    EIN 800292609 · Headquarters: Spencerport, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Hilton Head Reef Foundation Inc

    EIN 570948801 · Headquarters: HILTON HEAD, SC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Hima Foundation

    EIN 884357350 · Headquarters: ARLINGTON, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Hima Mesopotamia Water and Peace in the Middle East

    EIN 274822160 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  58. Hinkley Partnership for Healthy Living

    EIN 454964619 · Headquarters: Barstow, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Hinterlong Foundation

    EIN 208038145 · Headquarters: ST CLAIR, MO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. Hispanic Motor Press Foundation

    EIN 371869809 · Headquarters: Oak Hills, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Historic Apalachicola Partnerships for Preservation Incorporated

    EIN 824763897 · Headquarters: Apalachicola, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Historic Atlanta Inc

    EIN 824610673 · Headquarters: ATLANTA, GA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  63. Historic Blakeley Foundation Inc

    EIN 630692040 · Headquarters: Spanish Fort, AL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Historic Brick Building Preservation Inc

    EIN 834390044 · Headquarters: Cedarville, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Historic Camp Bowie Initiatives Inc

    EIN 752958519 · Headquarters: FORT WORTH, TX, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  66. Historic Chesaning Garden Association

    EIN 760722215 · Headquarters: Chesaning, MI, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  67. Historic City Gardens

    EIN 450594921 · Headquarters: Harrisburg, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Historic Downtown Woodland Group

    EIN 814312095 · Headquarters: Woodland, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Historic Garden League

    EIN 770404470 · Headquarters: MONTEREY, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Historic Hudson Inc

    EIN 141795837 · Headquarters: HUDSON, NY, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  71. Historic Landmark Preservation Society Llc

    EIN 300134254 · Headquarters: river ridge, LA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  72. Historic Oak Grove Foundation

    EIN 204419435 · Headquarters: AMERICUS, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Historic Paulus Hook Association

    EIN 237405327 · Headquarters: JERSEY CITY, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Historic Piedmont Scenic Byway Corporation

    EIN 810590467 · Headquarters: EATONTON, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Historic Pines Ranch Preservation Association

    EIN 823268008 · Headquarters: WESTCLIFFE, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Historic Quaker Bridge Foundation

    EIN 842016882 · Headquarters: GREENVILLE, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Historic Rivers Chapter Virginia Master Naturalist

    EIN 208300890 · Headquarters: Williamsburg, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Historic Seattle Preservation Foundation

    EIN 911729777 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Historic St Joseph Foundation

    EIN 832821807 · Headquarters: ST JOSEPH, MO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Historic Tappen Park Community Partnership Inc

    EIN 455576128 · Headquarters: Staten Island, NY, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990

  81. Historic Virginia Land Conservancy

    EIN 541557491 · Headquarters: WILLIAMSBURG, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Historic Westside Gardens Atlanta Inc

    EIN 465226497 · Headquarters: Atlanta, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. History of the Florida Gladesmen Inc

    EIN 813475339 · Headquarters: PLANTATION, FL, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  84. Hitchcock Woods Foundation The

    EIN 570181600 · Headquarters: AIKEN, SC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. HITF Inc

    EIN 205155590 · Headquarters: Brunswick, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Hiwassee River Coldwater Alliance

    EIN 450547063 · Headquarters: Reliance, TN, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  87. Hiy Inc

    EIN 814669115 · Headquarters: WARREN, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Hl266 Lateral Corporation

    EIN 991828225 · Headquarters: Grand Junction, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. HLG Family Foundation Inc

    EIN 331984260 · Headquarters: Miami, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Hmong Nature Research Center Inc

    EIN 411921728 · Headquarters: Brooklyn Park, MN, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  91. Ho Olokahi Pollinating Gardens

    EIN 862167279 · Headquarters: KAPAA, HI, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  92. Hoala Kealakekua

    EIN 824995066 · Headquarters: Captain Cook, HI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Hoala Kealakekua Nui Inc

    EIN 922000424 · Headquarters: KEALAKEKUA, HI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. Hobbes-hands on Boat Based Education and Science Inc

    EIN 043487109 · Headquarters: Marblehead, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Hobe Sound Nature Center Inc

    EIN 591644398 · Headquarters: HOBE SOUND, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Hocking River Commission

    EIN 311492331 · Headquarters: ATHENS, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. Hodgin Neighborhood Association

    EIN 850433794 · Headquarters: Albuquerque, NM, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  98. Hoe and Hope Garden Club Inc

    EIN 274806125 · Headquarters: Longmont, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Hoe N Hope Garden Club

    EIN 651183251 · Headquarters: stanley, NY, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  100. Hoe N Hope Garden Club of Jerera

    EIN 341388169 · Headquarters: Bluffton, OH, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

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