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. Gruene Orchid Society

    EIN 260573987 · Headquarters: San Marcos, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Gryphon Den Creatures of the Night Inc

    EIN 471016436 · Headquarters: Magnolia, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Gsop Climate Collaboration

    EIN 923045372 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Guadalupe River Association Inc

    EIN 462032861 · Headquarters: Spring Branch, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Guadalupe River Park Conservancy

    EIN 770166797 · Headquarters: San Jose, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Guadalupe-blanco River Trust

    EIN 731628865 · Headquarters: SEGUIN, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Guadalupe-Nipomo Dunes Center

    EIN 770502739 · Headquarters: Guadalupe, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Guahan Trail Stewards Inc

    EIN 661080562 · Headquarters: Mangilao, GU, GQ · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Guajome Alliance for Responsible Development

    EIN 330973579 · Headquarters: Vista, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Gualala River Steelhead Project

    EIN 942843440 · Headquarters: Gualala, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  11. Gualala River Watershed Inc

    EIN 200501597 · Headquarters: Gualala, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Guam Business Partners for Recycling Inc

    EIN 660711530 · Headquarters: Hagatna, GU, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  13. Guanacaste Dry Forest Conservation Fund

    EIN 943280315 · Headquarters: HINESBURG, VT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Guardian of the Galapagos Co

    EIN 841954044 · Headquarters: CHESHIRE, CT, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  15. Guardians of Flushing Bay Inc

    EIN 812124765 · Headquarters: WOODSIDE, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Guardians of K59 Inc

    EIN 870898566 · Headquarters: San Clemente, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  17. Guardians of Lake Decorah Inc

    EIN 861970907 · Headquarters: MAUSTON, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Guardians of Lick Creek

    EIN 421661058 · Headquarters: Spicewood, TX, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  19. Guardians of Luna Pier Waterways

    EIN 814470195 · Headquarters: LUNA PIER, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Guardians of the Brandywine Inc

    EIN 263391948 · Headquarters: GLENMOORE, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Guardians of the Coastal Life Style

    EIN 811037008 · Headquarters: PENSACOLA, FL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  22. Guardians of the Garden Master Gardeners Inc

    EIN 832236479 · Headquarters: Washington, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Guardians of the Navasota River

    EIN 272325784 · Headquarters: Kurten, TX, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  24. Guardians of the Prairie and Forest

    EIN 813538052 · Headquarters: Rock Island, IL, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  25. Guardians of the Range

    EIN 412125611 · Headquarters: BUFFALO, WY, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  26. Guardians of the West Fork Watershed

    EIN 550784772 · Headquarters: MOUNT CLARE, WV, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Guardians Unlimited Inc

    EIN 352654674 · Headquarters: Orlando, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Guatemala Water Foundation

    EIN 821510352 · Headquarters: Windham, NH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Guayabo Bay

    EIN 841930387 · Headquarters: SANTA CLARA, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Gue Seattle

    EIN 454037998 · Headquarters: MERCER ISLAND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Guemes Island Environmental Trust

    EIN 911693784 · Headquarters: Anacortes, WA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. Guemes Island Planning Advisory

    EIN 870709907 · Headquarters: Anacortes, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Guerrilla Gardeners of Washington Dc

    EIN 842955257 · Headquarters: WASHINGTON, DC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Guffey Recycling Program

    EIN 843251977 · Headquarters: Divide, CO, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  35. Guided Discoveries Inc

    EIN 953285562 · Headquarters: SAN CLEMENTE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Guidestone

    EIN 208782291 · Headquarters: Salida, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Guilford Community Garden Hub Inc

    EIN 465298239 · Headquarters: Guilford, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Guilford Horticultural Society

    EIN 842795676 · Headquarters: GREENSBORO, NC, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Guilford Land Conservation Trust Inc

    EIN 060851698 · Headquarters: Guilford, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Guilford Preservation Inc

    EIN 820562031 · Headquarters: GUILFORD, VT, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. Guilt Free Hot Water

    EIN 274624087 · Headquarters: Sunnyvale, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Gulf and Caribbean Fisheries Institute

    EIN 592592122 · Headquarters: PINEY FLATS, TN, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  43. Gulf Area Garden Club of Ft Walton Beach Inc

    EIN 596570430 · Headquarters: Fort Walton Beach, FL, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  44. Gulf Association In

    EIN 042984026 · Headquarters: Cohasset, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Gulf Coast Advertising Group

    EIN 581867718 · Headquarters: Lake Charles, LA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. Gulf Coast Center for Ecotourism & Sustainability Inc

    EIN 832349890 · Headquarters: GULF SHORES, AL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Gulf Coast Conservation Association Inc

    EIN 593754935 · Headquarters: Port St Joe, FL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  48. Gulf Coast Cultural Community Network

    EIN 472550952 · Headquarters: Mobile, AL, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  49. Gulf Coast Energy Network

    EIN 263354047 · Headquarters: Gulf Breeze, FL, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  50. Gulf Coast Environmental Coalition

    EIN 831408872 · Headquarters: Gulf Breeze, FL, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  51. Gulf Coast Environmental Defense

    EIN 593136070 · Headquarters: Gulf Breeze, FL, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  52. Gulf Coast Environmental Labor Coalition Inc

    EIN 273716685 · Headquarters: VANCLEAVE, MS, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Gulf Coast Explorers

    EIN 472672748 · Headquarters: Slidell, LA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  54. Gulf Coast Heritage Rose Society

    EIN 841843598 · Headquarters: Long Beach, MS, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  55. Gulf Coast Homeless Coalition

    EIN 134335544 · Headquarters: Galveston, TX, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  56. Gulf Coast Orchid Alliance Inc

    EIN 461114750 · Headquarters: Naples, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Gulf Coast Patient Care Network Inc F/k/a Gulf Coast Community Care Network

    EIN 455043439 · Headquarters: MOBILE, AL, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990

  58. Gulf Coast Preservation and Reclamation Inc

    EIN 272713797 · Headquarters: Baton Rouge, LA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  59. Gulf Coast Preservation Society

    EIN 203836967 · Headquarters: Placida, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Gulf Coast Regulatory and Environmental Affairs Group Inc

    EIN 461311120 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  61. Gulf Coast Resource Conservation and Development Area

    EIN 581965087 · Headquarters: ATMORE, AL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Gulf Coast Society of Fundraising Executives Inc

    EIN 272115716 · Headquarters: fort myers, FL, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  63. Gulf Coast Watermen Inc

    EIN 882230283 · Headquarters: New Orleans, LA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Gulf Community Gardens Inc

    EIN 991555335 · Headquarters: Port St Joe, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Gulf Conservation Alliance

    EIN 993844410 · Headquarters: BOCA GRANDE, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Gulf Energy Alliance Association

    EIN 932891565 · Headquarters: THE WOODLANDS, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Gulf Fishery Research Foundation

    EIN 823708369 · Headquarters: DESTIN, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. Gulf Guardians

    EIN 844285017 · Headquarters: South Padre Island, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Gulf of Alaska Coastal Communities Coalition Inc

    EIN 920165042 · Headquarters: Anchorage, AK, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  70. Gulf of Alaska Keeper Inc

    EIN 204422292 · Headquarters: Anchorage, AK, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Gulf of Maine Institute Inc

    EIN 030446859 · Headquarters: WEST NEWBURY, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Gulf of Mexico Alliance

    EIN 272968791 · Headquarters: OCEAN SPRINGS, MS, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Gulf of Mexico Coastal Ocean Observing System Regional Associat

    EIN 455039139 · Headquarters: New Braunfels, TX, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Gulf of Mexico Trust

    EIN 921151728 · Headquarters: Austin, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Gulf of Tomorrow

    EIN 414059029 · Headquarters: San Antonio, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Gulf Organized Fisheries in Solidarity A

    EIN 454256529 · Headquarters: BARATARIA, LA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  77. Gulf South Mycological Society

    EIN 882340599 · Headquarters: Vicksburg, MS, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Gulf States Renewable Energy Industries Association

    EIN 273971917 · Headquarters: New Orleans, LA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  79. Gulfport Food Forest Inc

    EIN 823033095 · Headquarters: Gulfport, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Gulfstream Bonsai Association Inc

    EIN 141988110 · Headquarters: atlantis, FL, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  81. Gull Chain of Lakes Association

    EIN 411272492 · Headquarters: NISSWA, MN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Gull Lake Association Inc

    EIN 391999772 · Headquarters: Springbrook, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Gull Lake Dam Association

    EIN 381781245 · Headquarters: Richland, MI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Gull Prairie Preserve

    EIN 934830852 · Headquarters: KALAMAZOO, MI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. Gumbowars Inc

    EIN 830566588 · Headquarters: Oviedo, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Gun Barrel City Beautification Committee

    EIN 475643678 · Headquarters: Gun Barrel City, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Gun Lake Association

    EIN 911973905 · Headquarters: Aitkin, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Gunks Climbers Coalition

    EIN 542109572 · Headquarters: GARDINER, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Gunnison Legacy Fund Dba Gunnison Ranchland Conservation

    EIN 841339198 · Headquarters: GUNNISON, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Gunnison Trails Inc

    EIN 113785204 · Headquarters: Gunnison, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Gunnison Valley Climbers

    EIN 820854535 · Headquarters: Gunnison, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  92. Gunpowder Riverkeeper Inc

    EIN 271517453 · Headquarters: Monkton, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Gustave De Neveu Society Inc

    EIN 881952625 · Headquarters: Fond du Lac, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Guy Harvey Ocean Fund Inc

    EIN 261710999 · Headquarters: FORT LAUDERDALE, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Gwinnett Clean & Beautiful Services

    EIN 262969476 · Headquarters: LAWRENCEVILLE, GA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Gwinnett Master Gardeners

    EIN 582262338 · Headquarters: Lawrenceville, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Gwt Network

    EIN 851706534 · Headquarters: PLEASANT VIEW, UT, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  98. Gwynns Falls Watershed Association Inc

    EIN 522089745 · Headquarters: Baltimore, MD, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  99. Gym Time Foundation

    EIN 753256897 · Headquarters: New York, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. H & B Prodex Inc

    EIN 465687315 · Headquarters: BREA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

First page and all pages