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. Christina Conservancy Inc

    EIN 510263500 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Christina Ina Anka Lake Association

    EIN 411967771 · Headquarters: ASHBY, MN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Christmas Bay Foundation

    EIN 760674686 · Headquarters: RANCHO MIRAGE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Christmas Lake Homeowners Association

    EIN 204559189 · Headquarters: DEEPHAVEN, MN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Christopher Adam Bell Foundation Inc

    EIN 810989357 · Headquarters: Midlothian, VA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. Christy Farm Nature Preserve

    EIN 341637188 · Headquarters: Fremont, OH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  7. Chromie Homie Foundation Inc

    EIN 932333603 · Headquarters: Stillwater, MN, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Chrysalis Institute

    EIN 205947298 · Headquarters: Mariposa, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  9. Chuchotement Farm

    EIN 833592655 · Headquarters: ROOPVILLE, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Chuck Haugen Conservation Fund

    EIN 203937946 · Headquarters: Marina, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. Chuckie Goodnight Foundation for the Environment Inc

    EIN 522298843 · Headquarters: Brewster, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  12. Chula League

    EIN 203612448 · Headquarters: Austin, TX, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Chum's Foundation

    EIN 367389076 · Headquarters: CALEDONIA, IL, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990

  14. Chumash Heritage Foundation

    EIN 874632627 · Headquarters: SANTA YNEZ, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Chumstick Wilidfire Stewardship Coalition

    EIN 933516503 · Headquarters: Leavenworth, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Churchill Park Advisory Council

    EIN 364413662 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Cibola Trail Alliance

    EIN 832374817 · Headquarters: GRANTS, NM, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Cibolo Valley Environmental Residence Association

    EIN 742627387 · Headquarters: Cibolo, TX, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  19. Cicero Friends of the Park Inc

    EIN 351978572 · Headquarters: Cicero, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Ciclo Sustainable

    EIN 263840409 · Headquarters: Pawling, NY, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  21. Cider Mill Friends of Open Space & Historic Preservation Inc

    EIN 141830522 · Headquarters: POUGHKEEPSIE, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Cielito Lindo Ranch Inc

    EIN 275531317 · Headquarters: Quemado, NM, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Cielo Vista Garden Club

    EIN 237096650 · Headquarters: El Paso, TX, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. Cien Aguas Green School Project

    EIN 271885126 · Headquarters: Albuquerque, NM, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  25. Cienega Watershed Partnership

    EIN 204020366 · Headquarters: Vail, AZ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Cigarette Butt Pollution Project

    EIN 275099153 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Cimarron Range Preservation Association

    EIN 364666666 · Headquarters: Freedom, OK, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. Cimarron Terrace Water Association Inc

    EIN 873730982 · Headquarters: Ames, OK, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Cimarron Valley and River Watershed Coalition

    EIN 853640043 · Headquarters: Montrose, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Cimarron Watershed Alliance Inc

    EIN 201179179 · Headquarters: CIMARRON, NM, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Cincinnati Dahlia Society

    EIN 333931173 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Cincinnati Horticultural Society

    EIN 311291724 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Cincinnati Landscape Association

    EIN 311009807 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  34. Cincinnati Nature Center

    EIN 316057978 · Headquarters: MILFORD, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Cincinnati Nature Center Foundation

    EIN 393871437 · Headquarters: MILFORD, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Cincinnati Permaculture Institute

    EIN 451540027 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Cincinnati Recycling and Reuse Hub

    EIN 844850272 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Cincinnati Town and Country Garden Club

    EIN 316077702 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Cindy-wood Garden Club

    EIN 882121302 · Headquarters: EAST GREENWICH, RI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Cinnabar Mountain Rendezvous

    EIN 911816201 · Headquarters: Mount Vernon, OR, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  41. Circle Change Co

    EIN 920256601 · Headquarters: PHILADELPHIA, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Circle Ew Ranch Conservancy Foundation

    EIN 830317657 · Headquarters: JACKSON, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. Circle Game Incorporated

    EIN 334028367 · Headquarters: La Grande, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Circle Lake Association

    EIN 270688525 · Headquarters: NORTHFIELD, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Circle of Blue Inc

    EIN 823582132 · Headquarters: TRAVERSE CITY, MI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Circle of Children

    EIN 461465316 · Headquarters: BLACHLY, OR, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  47. Circle of Life Connection

    EIN 680496344 · Headquarters: ALBANY, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Circular Action Alliance

    EIN 923197259 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Circular Colorado Incorporated

    EIN 873437643 · Headquarters: Broomfield, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Circular Impact Network Inc

    EIN 333060659 · Headquarters: Buffalo Grove, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Circular San Antonio

    EIN 994287625 · Headquarters: San Antonio, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Circulate Initiative Inc

    EIN 834505154 · Headquarters: NEW YORK, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Circumpolar Conservation Union

    EIN 050595291 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Circus Grounds Preservation Corporation

    EIN 922217701 · Headquarters: Charlottesville, VA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Cisco Modern Wildlife Education

    EIN 882916767 · Headquarters: Windsor, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. Cista 4 Clean Water

    EIN 474803888 · Headquarters: Jamaica, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Cities of Seven Continents INC

    EIN 874341664 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Citizen Cleaners

    EIN 993028529 · Headquarters: Eugene, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Citizen Climate

    EIN 331576053 · Headquarters: Great Falls, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Citizen Coalition for Wildlife and Environment Inc

    EIN 830894898 · Headquarters: Grand Island, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Citizen Projects Inc

    EIN 474195233 · Headquarters: Brooklyn, NY, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  62. Citizen-Powered Media

    EIN 205853254 · Headquarters: Colorado Springs, CO, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  63. Citizens & Neighbors for a Sustainable Redmond

    EIN 454883036 · Headquarters: Redmond, WA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  64. Citizens Advocating a Clean Healthy Environment Inc

    EIN 465686705 · Headquarters: James City, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Citizens Advocating for Roblar Rural Quality

    EIN 272077408 · Headquarters: Cotati, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  66. Citizens Advocating Responsible Energy

    EIN 262207770 · Headquarters: Chagrin Falls, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Citizens Against American Landfill Expansion

    EIN 341960421 · Headquarters: Waynesburg, OH, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  68. Citizens Against Dump Sites in Newstead

    EIN 161307229 · Headquarters: Clarence, NY, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  69. Citizens Against Ellis County Muds Inc

    EIN 921767392 · Headquarters: Ennis, TX, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Citizens Against Factory Farms

    EIN 200381776 · Headquarters: starkweather, ND, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  71. Citizens Against Missouri River Pumped Storage Project Inc

    EIN 920251197 · Headquarters: Burke, SD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Citizens Against Pollution

    EIN 721472824 · Headquarters: Minden, LA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  73. Citizens Against Predatory Pipelines

    EIN 932249431 · Headquarters: Chillicothe, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Citizens Against Richwood Solar Inc

    EIN 934480292 · Headquarters: RICHWOOD, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Citizens Against the Landfill in Hempstead

    EIN 452669262 · Headquarters: HEMPSTEAD, TX, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990

  76. Citizens Against the Pellissippi Parkway Inc

    EIN 753011212 · Headquarters: Alcoa, TN, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  77. Citizens Against the Rehoboth Compressor Station

    EIN 812966028 · Headquarters: Rehoboth, MA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  78. Citizens Against Toxic Exposure Inc

    EIN 593176118 · Headquarters: Pensacola, FL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Citizens Against Trash

    EIN 421586476 · Headquarters: Patterson, MO, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  80. Citizens Against Wind Turbines in Lake Erie

    EIN 934367994 · Headquarters: Blasdell, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Citizens Alliance for Responsible Urban Gas Drilling

    EIN 263628303 · Headquarters: Monument, CO, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  82. Citizens Campaign Fund for the Environment Inc

    EIN 112983418 · Headquarters: FARMINGDALE, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Citizens Caring for Clearlake

    EIN 923180631 · Headquarters: CLEARLAKE OAKS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Citizens Climate Education Corp

    EIN 262948811 · Headquarters: CORONADO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Citizens Climate Lobby Montrose Co

    EIN 932072596 · Headquarters: Montrose, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Citizens Climate Lobby West Los Angeles

    EIN 841789819 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Citizens Coal Council

    EIN 521926679 · Headquarters: WASHINGTON, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Citizens Coalition for a Safe Community

    EIN 263824830 · Headquarters: CULVER CITY, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Citizens Comm-presby Memorial Iris Gardens of Montclair

    EIN 226064413 · Headquarters: MONTCLAIR, NJ, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Citizens Committee for a Long Island Power Authority Inc

    EIN 112800256 · Headquarters: babylon, NY, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  91. Citizens Committee for Flood Relief

    EIN 830881850 · Headquarters: De Soto, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Citizens Committee to Complete the Refuge

    EIN 770518777 · Headquarters: Fremont, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Citizens Council of the Sleeping Bear Dunes Area Inc

    EIN 381674000 · Headquarters: GLEN ARBOR, MI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Citizens Environmental Association of the Slippery Rock Area Inc

    EIN 251644651 · Headquarters: GROVE CITY, PA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  95. Citizens Environmental Coalition Educational Fund

    EIN 741692204 · Headquarters: Houston, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Citizens Environmental Coalition Inc

    EIN 223113687 · Headquarters: Cuddebackville, NY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Citizens Environmental Council of Burlingame

    EIN 812527457 · Headquarters: BURLINGAME, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Citizens for a Better South Florida Inc

    EIN 650114889 · Headquarters: MIAMI, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Citizens for a Better Williams Inc

    EIN 264116545 · Headquarters: WILLIAMS, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Citizens for a Better Wisconsin Inc

    EIN 273052924 · Headquarters: MILWAUKEE, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

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