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. Twin Cities Ecovillage Project

    EIN 833227561 · Headquarters: SAINT PAUL, MN, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  2. Twin Cities Meteorological Society

    EIN 931972573 · Headquarters: New Prague, MN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Twin City Garden Club

    EIN 812060945 · Headquarters: Winston Salem, NC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Twin City Parks and Waterways Inc

    EIN 923506652 · Headquarters: Uhrichsville, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Twin Fins Alliance Inc

    EIN 412399070 · Headquarters: Newark, DE, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Twin Harbors Waterkeeper

    EIN 841941740 · Headquarters: Rochester, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Twin Island Lake Association Inc

    EIN 825482815 · Headquarters: Pine Plains, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Twin Lake Audubon Society Univ of Mary Hardin-baylor Dept Of

    EIN 742488712 · Headquarters: Belton, TX, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  9. Twin Lakes Action Group Inc

    EIN 474405560 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Twin Lakes Association Inc

    EIN 680530590 · Headquarters: Markesan, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Twin Lakes Conservancy Inc

    EIN 232515606 · Headquarters: Shohola, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Twin Lakes Conservancy Inc

    EIN 392019523 · Headquarters: Shorewood, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Twin Lakes of Matteson Inc

    EIN 923527895 · Headquarters: Coldwater, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Twin Lakes Preservation Association Inc

    EIN 391857670 · Headquarters: MINONG, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Twin Lakes Propery Owners Association

    EIN 262453037 · Headquarters: Ann Arbor, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Twin Lakes Restoration Foundation

    EIN 421485672 · Headquarters: FORT DODGE, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Twin Lakes Trout Foundation

    EIN 833389028 · Headquarters: Minden, NV, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Twin Peaks Open Space Conservancy

    EIN 943034916 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  19. Twin Ports Action Alliance

    EIN 831965442 · Headquarters: Superior, WI, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  20. Twin Spirit

    EIN 753148509 · Headquarters: Lower Burrell, PA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  21. Twin Springs Legal Defense Fund

    EIN 841988975 · Headquarters: Apache Junction, AZ, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. Twin Town Nature Club

    EIN 010386335 · Headquarters: OXFORD, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Twinsburg Native Habitat Association

    EIN 994958614 · Headquarters: Twinsburg, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Twisp Valley Power and Irrigation Company

    EIN 910691313 · Headquarters: Twisp, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Two Canyons Conservancy

    EIN 863256653 · Headquarters: Redlands, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Two Countries One Forest Inc

    EIN 208607723 · Headquarters: Salt Lake City, UT, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Two Percent for Conservation

    EIN 471631252 · Headquarters: MANHATTAN, MT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Two Rivers Coalition Inc

    EIN 270252718 · Headquarters: Paw Paw, MI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Two Rivers Company Foundation

    EIN 811487506 · Headquarters: CLARKSVILLE, TN, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  30. Two Rivers Historical Preservation Association

    EIN 680416640 · Headquarters: marysville, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  31. Two Rivers Resource Conservation & Development

    EIN 237378241 · Headquarters: Pittsfield, IL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Two Rivers Resource Conservation and Development Council Inc

    EIN 582020953 · Headquarters: LAGRANGE, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Two Rivers Resource Trust

    EIN 800038095 · Headquarters: NINILCHIK, AK, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Two Rivers Wildfire Coalition

    EIN 852609810 · Headquarters: Clifton, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Two Sisters Lake Property Owners Association Inc

    EIN 391383940 · Headquarters: LAKE TOMAHAWK, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Two Strong Trees Inc

    EIN 270308752 · Headquarters: WILLOUGHBY, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Twowings

    EIN 262609562 · Headquarters: Florence, MA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  38. Tx Eco Volunteers Inc

    EIN 332733601 · Headquarters: Sugar Land, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Txai Amazon Foundation

    EIN 393666987 · Headquarters: Brooklyn, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Tybee Beautification Assn Inc

    EIN 581728129 · Headquarters: Tybee Island, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Tybee Clean Beach Volunteers

    EIN 475359024 · Headquarters: TYBEE ISLAND, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Tyger - Enoree River Alliance

    EIN 273473936 · Headquarters: Whitmire, SC, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  43. Tyger River Foundation

    EIN 261213214 · Headquarters: SPARTANBURG, SC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Tyler Arboretum

    EIN 231417540 · Headquarters: Media, PA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Tyler Creek Watershed Coalition

    EIN 264295821 · Headquarters: Elgin, IL, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  46. Tyler Lake Protective Association

    EIN 814036933 · Headquarters: Goshen, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Tyler Mens Garden Club

    EIN 757836833 · Headquarters: TYLER, TX, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  48. Tyngsborough Land Trust

    EIN 932965060 · Headquarters: Tyngsboro, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Tyonek Tribal Conservation District

    EIN 270671847 · Headquarters: ANCHORAGE, AK, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Tyrone Garden 30290 Inc

    EIN 475015708 · Headquarters: Tyrone, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Tzeda Giving Inc

    EIN 921790695 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. U Da Man

    EIN 205379466 · Headquarters: SEAL ROCK, OR, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  53. U P Whitetails Association of Baraga County Inc

    EIN 383335049 · Headquarters: BARAGA, MI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. U P Whitetails Association of Keweenaw Peninsula Inc

    EIN 383257053 · Headquarters: Gay, MI, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. U P Whitetails Association of Schoolcraft County

    EIN 383146816 · Headquarters: MANISTIQUE, MI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. U S Green Building Council - Middle Tennessee Chapter Inc

    EIN 200499579 · Headquarters: Nashville, TN, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  57. U S Green Building Council Iowa Chapter

    EIN 204404778 · Headquarters: Indianola, IA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  58. U S Green Building Council South West Va Chapter

    EIN 861156771 · Headquarters: Richmond, VA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  59. U S Green Building Council-redwood Empire Chapter

    EIN 201843044 · Headquarters: Sebastopol, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. U S Green Building Council-Rhode Island Chapter

    EIN 263282384 · Headquarters: Providence, RI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. U S National Ramsar Committee

    EIN 542058271 · Headquarters: Marshall, TX, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  62. U-neek Adventures Inc

    EIN 342017427 · Headquarters: Mt union, PA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  63. U.S. Green Building Council

    EIN 521822816 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Ubou Inc

    EIN 852758442 · Headquarters: RANDOLPH, NJ, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  65. Ubuntu Circle of Life

    EIN 883057471 · Headquarters: Birmingham, AL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Ubuntu Permaculture Mission Inc

    EIN 884284372 · Headquarters: Ewing, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Uc Green Inc

    EIN 571204276 · Headquarters: PHILADELPHIA, PA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Ucan Project Inc

    EIN 832301223 · Headquarters: Bronxville, NY, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  69. Udalls Cove Preservation Committee Inc

    EIN 522438294 · Headquarters: Little Neck, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Uec Land Corporation

    EIN 464292052 · Headquarters: MILWAUKEE, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Uec Supporting Organization Inc

    EIN 934287308 · Headquarters: MILWAUKEE, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Uganda-saint Bruno Water and Energy Project Inc

    EIN 833747113 · Headquarters: RIVERSIDE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Ugly Mugz Foundation Inc

    EIN 830683911 · Headquarters: CLINTON, OK, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Uhiwai O Haleakala

    EIN 831654685 · Headquarters: MAKAWAO, HI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Uinta Headwaters Resource Conservation & Development Council

    EIN 870622430 · Headquarters: PARK CITY, UT, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990

  76. Uinta Institute

    EIN 845104019 · Headquarters: SALT LAKE CITY, UT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Uinta Recycling Inc

    EIN 200801134 · Headquarters: EVANSTON, WY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Ukiah Rod and Gun Club

    EIN 680450319 · Headquarters: Ukiah, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Ukpoa Inc

    EIN 814573897 · Headquarters: HAZELHURST, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Ukraine Environmental Action Inc

    EIN 372139477 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Ukrainian American Environmental Association

    EIN 201135038 · Headquarters: Takoma Park, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Ukv Trail Conservation Inc

    EIN 332937747 · Headquarters: cedar groove, WV, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Ulao Creek Partnership Inc

    EIN 391987837 · Headquarters: Port Washington, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Ulster Project-lake Charles

    EIN 720830718 · Headquarters: LAKE CHARLES, LA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  85. Ultimate Recycling Center Re Use Industries

    EIN 311390024 · Headquarters: THE PLAINS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Uluniu Beach Reserve Association

    EIN 611739904 · Headquarters: Kihei, HI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Umatilla Basin Watershed Foundation Inc

    EIN 931231250 · Headquarters: PENDLETON, OR, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Umatilla County Law Enforcement Association

    EIN 300401609 · Headquarters: Pendleton, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Umbrella

    EIN 260219031 · Headquarters: PORTLAND, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Umpqua Fishery Enhancement Derby

    EIN 571222364 · Headquarters: ROSEBURG, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Umpqua Watersheds

    EIN 931165587 · Headquarters: ROSEBURG, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Un-bottle and Protect Chaffee County Water

    EIN 862858249 · Headquarters: Salida, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Unbelievable Acres Botanic Gardens Inc

    EIN 650759367 · Headquarters: West Palm Beach, FL, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  94. Unc Coastal Studies Institute Foundation Inc

    EIN 200160693 · Headquarters: MANTEO, NC, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  95. Uncles Kokua Center

    EIN 854008665 · Headquarters: Pahoa, HI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Uncom

    EIN 205087630 · Headquarters: Carlsbad, CA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  97. Uncompahgre Com Inc

    EIN 841545251 · Headquarters: MONTROSE, CO, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990

  98. Uncompahgre Watershed Partnership a Colorado Nonprofit Corporation

    EIN 462946756 · Headquarters: Ridgway, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Undaunted Futures Inc

    EIN 472401251 · Headquarters: Ashburn, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. UndauntedK12

    EIN 923242587 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

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