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. Steel Valley Trail Council

    EIN 311733387 · Headquarters: HOMESTEAD, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Steep Rock Association Inc

    EIN 066069060 · Headquarters: WASHINGTON DEPOT, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Stekoa Creek Greenway Inc

    EIN 341997042 · Headquarters: Clayton, GA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  4. Stella Maris Environmental Res Inc

    EIN 473739298 · Headquarters: MELBOURNE BEACH, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Stellar-gaia Alliances

    EIN 020682100 · Headquarters: Southfield, MI, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  6. Stelter Initiative

    EIN 333467176 · Headquarters: Odessa, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Stem Enrichment Project

    EIN 274536347 · Headquarters: Evergreen, CO, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  8. Stem Garden Institute

    EIN 452492205 · Headquarters: MILTON, MA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  9. Steppelands Foundation

    EIN 392159078 · Headquarters: Riverton, WY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Sterling Land Trust Inc

    EIN 043408976 · Headquarters: Sterling, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Sterling Water Stewards

    EIN 853385550 · Headquarters: Sterling, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Steuben County Lakes Council Inc

    EIN 237201404 · Headquarters: ANGOLA, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Steuben County Lakes Council Land Trust Inc

    EIN 223932633 · Headquarters: Angola, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Steuben County Master Gardener Association Inc

    EIN 821370133 · Headquarters: Angola, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Steve Stone Coral Reef Foundation

    EIN 453175163 · Headquarters: Fort Collins, CO, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  16. Stevenson Creek Advocacy Group Inc

    EIN 992504864 · Headquarters: Clearwater, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Steward Moab a Utah Non- Profit Cor Poration

    EIN 412361606 · Headquarters: MOAB, UT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Steward of Our Shores

    EIN 474588348 · Headquarters: Long Beach, IN, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. Stewards Draw Inc

    EIN 261599436 · Headquarters: Bayfield, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Stewards of Briones

    EIN 932812285 · Headquarters: Pleasant Hill, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Stewards of Golden Open Space

    EIN 834048637 · Headquarters: Golden, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Stewards of Kleinstuck

    EIN 270743074 · Headquarters: Kalamazoo, MI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Stewards of Lake Seminole

    EIN 883752111 · Headquarters: DONALSONVILLE, GA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Stewards of Our Urban Lakes Inc

    EIN 862429519 · Headquarters: SAINT PETERSBURG, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Stewards of Public Land

    EIN 473570009 · Headquarters: Pasadena, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Stewards of Soquel Forest

    EIN 770563353 · Headquarters: Mountain View, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Stewards of Stewart

    EIN 454273282 · Headquarters: warwick, NY, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. Stewards of the Bete Grise Preserve Inc

    EIN 264620233 · Headquarters: Hancock, MI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. Stewards of the Black Rock Desert

    EIN 881933059 · Headquarters: Gerlach, NV, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Stewards of the Dells of the Wisconsin River Inc

    EIN 262726661 · Headquarters: Wisconsin Dells, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Stewards of the Earth Inc

    EIN 562121655 · Headquarters: BROOKSVILLE, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Stewards of the Glen

    EIN 851181044 · Headquarters: Portsmouth, RI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Stewards of the Land and Community

    EIN 510607518 · Headquarters: Snohomish, WA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  34. Stewards of the Lower Susquehanna Inc Dba Lower Susquehanna Riverkeeper Ass

    EIN 680620499 · Headquarters: WRIGHTSVILLE, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Stewards of the Potomac Highlands Inc

    EIN 550776272 · Headquarters: Maysville, WV, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Stewards of the Sequoia

    EIN 830702363 · Headquarters: Wofford Heights, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Stewards of the Sierra National Forest

    EIN 831571101 · Headquarters: MADERA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Stewards of the Swan Valley

    EIN 920718257 · Headquarters: CONDON, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Stewards of Twin Lakes

    EIN 991669930 · Headquarters: Shohola, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Stewards of Wasington State Lands

    EIN 394967403 · Headquarters: Issaquah, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Stewardship Education Alliance

    EIN 844323595 · Headquarters: Camden, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Stewardship for Generations

    EIN 393053064 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Stewardship Partners

    EIN 911939506 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Stewardship Project

    EIN 202188886 · Headquarters: Grand Haven, MI, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  45. Stewardship West

    EIN 861846847 · Headquarters: ARNOLD, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Stewart Park & Reserve Coalition Inc

    EIN 300507040 · Headquarters: BLOOMING GROVE, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Stewart School Foundation

    EIN 833946823 · Headquarters: DURHAM, NC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Still Waters Land Trust Inc

    EIN 854083425 · Headquarters: Avon, IN, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  49. Stillaguamish Citizens Alliance

    EIN 911650450 · Headquarters: Granite falls, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  50. Stillman Nature Center

    EIN 363182273 · Headquarters: SOUTH BARRINGTON, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. Stillwater Aquifer Portection Association

    EIN 311297481 · Headquarters: Troy, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  52. Stillwater Valley Watershed Council

    EIN 900641225 · Headquarters: ABSAROKEE, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Stillwater Watershed Partners Llc

    EIN 883625820 · Headquarters: Piedmont, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Stillwater Watershed Project

    EIN 341915338 · Headquarters: GREENVILLE, OH, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  55. Stillwaters Environmental Education Center

    EIN 911959247 · Headquarters: Kingston, WA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  56. Stinson Lake Association Inc

    EIN 020418563 · Headquarters: Rumney, NH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Stir the Water

    EIN 204759660 · Headquarters: Fort Mill, SC, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  58. Stl Treelc

    EIN 870997806 · Headquarters: Saint Louis, MO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Sto International a Nj Nonprofit Corporation

    EIN 844398961 · Headquarters: Flemington, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Stockbridge Harbor Fishing Club Inc

    EIN 352932813 · Headquarters: STOCKBRIDGE, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Stockbridge Land Trust

    EIN 222900672 · Headquarters: STOCKBRIDGE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Stockton Beautiful A Community Commitment

    EIN 680295089 · Headquarters: Stockton, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Stockton Cactus & Succulent Society

    EIN 237263539 · Headquarters: Ripon, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Stockton Citizens Organization for Renewal and Expansion Inc

    EIN 010877780 · Headquarters: Stockton, NY, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  65. Stockton Garden Club Inc

    EIN 946083723 · Headquarters: STOCKTON, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Stockton Standing Up Inc

    EIN 731708362 · Headquarters: FRENCH CAMP, CA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  67. Stoic Cutthroats

    EIN 923517800 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  68. Stokes Extension Master Gardener Volunteer Association

    EIN 463099816 · Headquarters: Germanton, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Stolen Lands Community Land Trust

    EIN 932529470 · Headquarters: Philadelphia, PA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Stone Head Conservancy Inc

    EIN 811302673 · Headquarters: Columbus, IN, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  71. Stone House Wash Conservation Foundation

    EIN 204515782 · Headquarters: Phoenix, AZ, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  72. Stone Lake Conservation Club Inc

    EIN 351479692 · Headquarters: Middlebury, IN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Stone Mountain Industrial Park Association Inc

    EIN 581215268 · Headquarters: Stone Mountain, GA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  74. Stoneboro Garden Club

    EIN 823942148 · Headquarters: STONEBORO, PA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Stonecrop Gardens Inc

    EIN 237292454 · Headquarters: COLD SPRING, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Stonegate Townhomes Inc

    EIN 364418011 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Stones River Watershed Association Inc

    EIN 581917639 · Headquarters: Murfreesboro, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Stoneycreek Outdoor Youth Organiztion

    EIN 862205956 · Headquarters: FRIEDENS, PA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Stonington Land Trust Inc

    EIN 412228108 · Headquarters: STONINGTON, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Stony Brook Environmental Conservancy

    EIN 200835660 · Headquarters: Stony Brook, NY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Stony Hill Preserve Inc

    EIN 820657642 · Headquarters: HAWLEYVILLE, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Stony Lake Association

    EIN 411999458 · Headquarters: Hackensack, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Stony Lane Incorporated

    EIN 273125945 · Headquarters: Petersham, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Stop Amalgam-mercury Poisoning

    EIN 770562812 · Headquarters: Tulare, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  85. Stop Bombing Hawaii Inc

    EIN 371829973 · Headquarters: Hawaii National Park, HI, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  86. Stop Burke - Lake James Megasite

    EIN 991858974 · Headquarters: Raleigh, NC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Stop Coal Seam Fire Pollution Stop the Coal Mine Fires

    EIN 881248393 · Headquarters: SANATA ANA, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  88. Stop Dripping Concrete

    EIN 473162942 · Headquarters: Dripping Springs, TX, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  89. Stop Eto

    EIN 841784617 · Headquarters: Waukegan, IL, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  90. Stop Global Destruction

    EIN 851302739 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  91. Stop Global Warming Foundation Inc

    EIN 475287682 · Headquarters: Madison, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Stop Oil Seeps California Inc

    EIN 260230814 · Headquarters: SANTA BARBARA, CA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990

  93. Stop Over Development Elbert Couty

    EIN 822216717 · Headquarters: Elizabeth, CO, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  94. Stop Pollution in Long Lake

    EIN 813453392 · Headquarters: Rockford, IL, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  95. Stop Redlining a Nj Non-profit Corporation

    EIN 881537999 · Headquarters: Monroe Township, NJ, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  96. Stop the Chop Nynj Inc

    EIN 472632755 · Headquarters: New York, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Stop the Gaston Open Pit Mine

    EIN 994316909 · Headquarters: CROUSE, NC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Stop-it Inc

    EIN 651005167 · Headquarters: Sanibel, FL, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  99. Stopgreenhouselandfill

    EIN 824616463 · Headquarters: Houston, TX, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. Stoppath Wv Inc

    EIN 270938295 · Headquarters: SHEPHERDSTOWN, WV, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

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