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. San Diego County Orchid Society

    EIN 237122611 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  2. San Diego Earth Day

    EIN 330494795 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. San Diego Energy District Foundation

    EIN 205236966 · Headquarters: Solana Beach, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. San Diego Fishermens Working Group

    EIN 273978857 · Headquarters: LAKESIDE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. San Diego Floral Association

    EIN 956047745 · Headquarters: San Diego, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. San Diego Geranium Society

    EIN 330785211 · Headquarters: El Cajon, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. San Diego Green Building Council

    EIN 202614848 · Headquarters: San Diego, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. San Diego Horticultural Society

    EIN 753013676 · Headquarters: ENCINITAS, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. San Diego Iris Society

    EIN 300106276 · Headquarters: El Cajon, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. San Diego Landscape Gardeners Association Inc

    EIN 237208358 · Headquarters: SAN DIEGO, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  11. San Diego Mycological Society

    EIN 330743295 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. San Diego Oceans Foundation

    EIN 330103012 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. San Diego Professional Chapter of the Soc of Hispanic Prof Eng Inc

    EIN 330602340 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. San Diego Regional Sustainability Partnership

    EIN 264393743 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  15. San Diego Renewable Energy Society

    EIN 651288724 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  16. San Diego Rose Society

    EIN 956100556 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. San Diego Stream Team

    EIN 412026620 · Headquarters: Santee, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  18. San Diego Tracking Team

    EIN 331035597 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. San Diego Urban Sustainability Coalition

    EIN 850958355 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. San Dieguito River Valley Land Conservancy

    EIN 330191772 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  21. San Francisco Bay Bird Observatory

    EIN 942788588 · Headquarters: Milpitas, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. San Francisco Bay Center for Marine Education

    EIN 453218434 · Headquarters: Pacifica, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  23. San Francisco Bay Marinas For All

    EIN 463144334 · Headquarters: Sausalito, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. San Francisco Bay Resource Conservation & Development Council

    EIN 481264574 · Headquarters: Livermore, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  25. San Francisco Bay Windjammers

    EIN 237157539 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  26. San Francisco Beautiful

    EIN 946106011 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. San Francisco Beekeepers Association

    EIN 900750344 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. San Francisco Bicycle Coalition

    EIN 943228199 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. San Francisco Botanical Garden Society at Strybing Arboretum

    EIN 946050168 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. San Francisco Clean City Coalition

    EIN 943139897 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. San Francisco Community Land Trust

    EIN 113700403 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. San Francisco Community Power

    EIN 010593054 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. San Francisco Community Recyclers

    EIN 942685719 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990

  34. San Francisco Estuary Institute

    EIN 942951373 · Headquarters: Richmond, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. San Francisco Forest Alliance

    EIN 454982997 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. San Francisco Garden Club

    EIN 940835670 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. San Francisco Green Community

    EIN 943221558 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. San Francisco Nature Education

    EIN 542111941 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. San Gabriel Cactus & Succulent Society

    EIN 953924634 · Headquarters: ARCADIA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. San Gabriel Mountains Region Conservancy

    EIN 954702549 · Headquarters: GLENDORA, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. San Gabriel Valley Area 3 Oversight Group

    EIN 651281538 · Headquarters: ALHAMBRA, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. San Geronimo Nature Center

    EIN 261914852 · Headquarters: SAN ANTONIO, TX, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. San Geronimo Valley Land Trust

    EIN 911806303 · Headquarters: Woodacre, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. San Geronimo Valley Stewards Corp

    EIN 010939643 · Headquarters: Laginitas, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. San Gorgonio Outdoor Science School

    EIN 843197874 · Headquarters: SANTA ANA, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. San Jacinto River Watershed Council

    EIN 341975660 · Headquarters: San Jacinto, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  47. San Jacinto Valley Wetlands Foundation

    EIN 202358078 · Headquarters: HUNTINGTON BEACH, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. San Joaqin Valley Water Leadership Forum

    EIN 263131390 · Headquarters: Prather, CA, AF · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  49. San Joaquin Audubon Society

    EIN 942576665 · Headquarters: Stockton, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. San Joaquin County Citizens Land Alliance

    EIN 911841451 · Headquarters: TRACY, CA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990

  51. San Joaquin Orchid Society Inc

    EIN 943283120 · Headquarters: Stockton, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. San Joaquin River Access Corporation

    EIN 823231827 · Headquarters: FRESNO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. San Joaquin River Parkway & Conservation Trust

    EIN 770196692 · Headquarters: FRESNO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. San Joaquin River Stewardship Program Inc

    EIN 273505390 · Headquarters: Fresno, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  55. San Joaquin River Trail Foundation

    EIN 880857261 · Headquarters: Cambria, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. San Joaquin Valley Clean Energy Organization

    EIN 421746005 · Headquarters: Fresno, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. San Joaquin Valley Conservancy

    EIN 770572903 · Headquarters: MERCED, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. San Joaquin Wildlife Sanctuary Inc

    EIN 330527271 · Headquarters: IRVINE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. San Jose Garden Club

    EIN 770117410 · Headquarters: SAN JOSE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. San Juan Backcountry Horsemen

    EIN 261133068 · Headquarters: Pagosa Springs, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. San Juan Canyon Preservation Trust

    EIN 311620676 · Headquarters: Belmont, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  62. San Juan Capisprano Garden Club

    EIN 481291530 · Headquarters: San Juan Capistrano, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. San Juan Capistrano Open Space Foundation Inc

    EIN 800327327 · Headquarters: San Juan Capistrano, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. San Juan Citizens Alliance

    EIN 841447465 · Headquarters: Durango, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. San Juan Mountains Association

    EIN 237437775 · Headquarters: Durango, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. San Juan Nature Institute

    EIN 911658965 · Headquarters: FRIDAY HARBOR, WA, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  67. San Juan Outdoor Club

    EIN 742811342 · Headquarters: Pagosa Springs, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. San Juan Resource Conservation and Development Council

    EIN 742408579 · Headquarters: Durango, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. San Juan Trails

    EIN 882704525 · Headquarters: FARMINGTON, NM, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. San Juan Watershed Group Inc

    EIN 992546356 · Headquarters: Farmington, NM, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. San Leandro 2050

    EIN 841901458 · Headquarters: San Leandro, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. San Leandro Dahlia Society

    EIN 332733554 · Headquarters: San Leandro, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. San Luis Obispo County Foundation for Agricultural Awareness Inc

    EIN 770488482 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. San Luis Obispo Parks Open Space & Trails Foundation

    EIN 770318094 · Headquarters: ARROYO GRANDE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. San Luis Rey Watershed Council

    EIN 264643230 · Headquarters: Murrieta, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  76. San Luis Valley

    EIN 393503548 · Headquarters: Spokane, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. San Luis Valley Ecosystem Council Inc

    EIN 841434755 · Headquarters: Alamosa, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. San Luis Valley Resource Conservation &

    EIN 742477074 · Headquarters: ALAMOSA, CO, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  79. San Marcos Greenbelt Alliance

    EIN 742896744 · Headquarters: San Marcos, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. San Marcos River Foundation

    EIN 742428376 · Headquarters: San Marcos, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. San Mateo Arboretum Society Inc

    EIN 510178003 · Headquarters: San Mateo, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. San Mateo Garden Center

    EIN 237222141 · Headquarters: SAN MATEO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. San Miguel Community Garden

    EIN 464587027 · Headquarters: LAS VEGAS, NV, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  84. San Miguel Conservation Foundation

    EIN 841248759 · Headquarters: TELLURIDE, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. San Pasqual Valley Preservation Alliance

    EIN 474943563 · Headquarters: Escondido, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. San Pedro Creek Watershed Coalition

    EIN 943376579 · Headquarters: Pacifica, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. San Pierre Parks & Recreation Society

    EIN 843335277 · Headquarters: San Pierre, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. San Rafael Valley a Land in Balance

    EIN 263406768 · Headquarters: Patagonia, AZ, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. San Saba Bird and Nature Club

    EIN 460678496 · Headquarters: SAN SABA, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. San Saba Ffa Booster

    EIN 990884598 · Headquarters: SAN SABA, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Sanctuaries of the Earth Mother Inc

    EIN 452637526 · Headquarters: Kirkwood, PA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. Sanctuary Earth

    EIN 474601566 · Headquarters: Baton Rouge, LA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Sanctuary for Healing Hearts and Souls

    EIN 854090627 · Headquarters: TEMPE, AZ, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Sanctuary Forest Inc

    EIN 942676195 · Headquarters: WHITETHORN, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Sanctuary Friends Foundation of the Florida Keys Inc

    EIN 592443959 · Headquarters: MARATHON, FL, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990

  96. Sanctuary of the Sacred Arts

    EIN 331544176 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Sanctuary Wetlands Association

    EIN 421431633 · Headquarters: Mount Pleasant, IA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  98. Sand Dam Reservoir Association

    EIN 050373346 · Headquarters: Chepachet, RI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Sand Dune Migration Control Inc

    EIN 561845102 · Headquarters: LITTLE RIVER, SC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Sand Dunes Charter Chapter American Business Womens Association

    EIN 561196170 · Headquarters: Morehead City, NC, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

First page and all pages