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. Colorado Energy and Water Institute

    EIN 825305142 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Colorado Federation of Garden Clubs Inc

    EIN 840563240 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Colorado Food Justice

    EIN 872422505 · Headquarters: Louisville, CO, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  4. Colorado Garden Show Inc

    EIN 846045671 · Headquarters: LAKEWOOD, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Colorado Grotto Inc

    EIN 311490102 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Colorado Headwaters Land Trust

    EIN 841320036 · Headquarters: GRANBY, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Colorado Indoor Air Coalition

    EIN 841553190 · Headquarters: Cheyenne, WY, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  8. Colorado Iron Association

    EIN 900925830 · Headquarters: GOLDEN, CO, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  9. Colorado Lake and Reservoir Management Association

    EIN 841397297 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Colorado Marina Association

    EIN 272032599 · Headquarters: Highlands Ranch, CO, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  11. Colorado Mountain Club Foundation

    EIN 237319139 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Colorado Mountain Reclamation Foundation

    EIN 841179207 · Headquarters: Colorado Springs, CO, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  13. Colorado Native Plant Society

    EIN 840734596 · Headquarters: Aurora, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Colorado Nature League

    EIN 933793784 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Colorado Off-highway Vehicle Coalition

    EIN 841065199 · Headquarters: THORNTON, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Colorado Open Lands

    EIN 840866211 · Headquarters: Lakewood, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Colorado Open Lands

    EIN 841311010 · Headquarters: WESTCLIFFE, CO, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990

  18. Colorado Outdoor Education Center Inc

    EIN 840619264 · Headquarters: Florissant, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Colorado Outward Bound School

    EIN 840512779 · Headquarters: LEADVILLE, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Colorado Plateau Archeological Alliance

    EIN 203912013 · Headquarters: OGDEN, UT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Colorado Potato Legislative Association

    EIN 237393209 · Headquarters: CENTER, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Colorado Prescribed Fire Council

    EIN 831237722 · Headquarters: Crested Butte, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Colorado Renewable Energy Society

    EIN 841345655 · Headquarters: FORT COLLINS, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Colorado Resident Hunter Equality Task Force

    EIN 841492148 · Headquarters: Montrose, CO, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  25. Colorado River Bldg Industry Assoc

    EIN 860344427 · Headquarters: LAKE HAVASU CITY, AZ, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990

  26. Colorado River Ecosystem Foundation C/o Henry W Varga

    EIN 860809972 · Headquarters: KINGMAN, AZ, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Colorado River Heritage Greenway Trail Association

    EIN 861011823 · Headquarters: Bullhead City, AZ, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. Colorado River Land Trust Inc

    EIN 461481647 · Headquarters: DRIPPING SPRINGS, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Colorado River Law Enforcement Range Association

    EIN 330082395 · Headquarters: needles, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  30. Colorado River School

    EIN 823314087 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  31. Colorado River Surfing Association Inc

    EIN 824060287 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Colorado River Water Users Association

    EIN 880138386 · Headquarters: LAS VEGAS, NV, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Colorado Section of the Society for Range Management

    EIN 237260312 · Headquarters: Ft Collins, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Colorado Springs Conservation Corps

    EIN 262599790 · Headquarters: COLORADO SPRINGS, CO, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  35. Colorado State Tree Farm Committee

    EIN 582667238 · Headquarters: Pagosa Springs, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Colorado Tree Coalition Inc

    EIN 841296647 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Colorado Ukraine Agricultural Group

    EIN 841243444 · Headquarters: Broomfield, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Colorado Wastewater Utility Council

    EIN 260013946 · Headquarters: Littleton, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Colorado Water and Wastewater System

    EIN 742236822 · Headquarters: LAKEWOOD, CO, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990

  40. Colorado Water Innovation Cluster Inc

    EIN 452422466 · Headquarters: FORT COLLINS, CO, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  41. Colorado Water Officials Association Division 1

    EIN 460785791 · Headquarters: Greeley, CO, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Colorado Water Trust

    EIN 841606567 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Colorado Watershed Assembly

    EIN 841600089 · Headquarters: GLENDALE, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Colorado Waterwise Council

    EIN 841155433 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Colorado Wild

    EIN 841476538 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  46. Colorado Wild Public Lands Inc

    EIN 465532244 · Headquarters: Basalt, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Colorado Working Landscapes

    EIN 841613349 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  48. Colorado Youth Corps Association

    EIN 841532028 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Colorado Youth Outdoors Charitable Trust

    EIN 841608608 · Headquarters: FORT COLLINS, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Coloradoheadwaters Llc

    EIN 815314237 · Headquarters: Salida, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Colorados Future

    EIN 208926677 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  52. Colorbrightongreen

    EIN 455215334 · Headquarters: ROCHESTER, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Colores United

    EIN 842330004 · Headquarters: DEMING, NM, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  54. Colour Columbus

    EIN 311243517 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  55. Coltura

    EIN 472276541 · Headquarters: MENLO PARK, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Columbia Association of the Dept of Sanitation Inc

    EIN 112726617 · Headquarters: New York, NY, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Columbia Basin Walleye Club

    EIN 510633112 · Headquarters: EPHRATA, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Columbia Blooms

    EIN 813373918 · Headquarters: West Columbia, TX, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  59. Columbia Center for Urban Agriculture

    EIN 264486257 · Headquarters: Columbia, MO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Columbia Dam Now

    EIN 334131708 · Headquarters: Columbia, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Columbia Garden Club Foundation

    EIN 570756773 · Headquarters: COLUMBIA, SC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. Columbia Gorge Conservation Group

    EIN 934815389 · Headquarters: the Dalles, OR, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Columbia Gorge Earth Center

    EIN 710886618 · Headquarters: HOOD RIVER, OR, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  64. Columbia Gorge Fruit Growers Research Foundation

    EIN 461996281 · Headquarters: The Dalles, OR, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  65. Columbia Gorge Refuge Stewards

    EIN 204976559 · Headquarters: Washougal, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Columbia Gorge Tourism Alliance Foundation

    EIN 273466796 · Headquarters: HOOD RIVER, OR, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Columbia Green

    EIN 570768951 · Headquarters: COLUMBIA, SC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Columbia Institute for Water Policy

    EIN 204348897 · Headquarters: Vashon, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Columbia Land Conservancy Inc

    EIN 222757332 · Headquarters: CHATHAM, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Columbia Land Trust

    EIN 943140861 · Headquarters: VANCOUVER, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Columbia Plateau Heritage Alliance

    EIN 263858203 · Headquarters: La Grande, OR, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  72. Columbia River Bioregional Education Project

    EIN 911372443 · Headquarters: OROVILLE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Columbia River Business Alliance

    EIN 260843046 · Headquarters: Astoria, OR, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  74. Columbia River Camaro

    EIN 930909009 · Headquarters: Happy Valley, OR, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  75. Columbia River Center

    EIN 263565033 · Headquarters: Richland, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  76. Columbia River Crossing Coalition

    EIN 263889540 · Headquarters: PORTLAND, OR, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  77. Columbia River Section of the Am Soc for Nondestructive Testing

    EIN 237184517 · Headquarters: Richland, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  78. Columbia Riverkeeper

    EIN 911583492 · Headquarters: Hood River, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Columbia Slough Watershed Council Inc

    EIN 030456181 · Headquarters: PORTLAND, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Columbia Springs

    EIN 912127405 · Headquarters: VANCOUVER, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Columbia Watershed Environmental Advocates Inc

    EIN 821064343 · Headquarters: Portland, OR, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. Columbia Willamette Chapter of the Enological Society of Pacific NW

    EIN 911149279 · Headquarters: Battle Ground, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Columbia-Pacific Resource Conservation and Economic Development District

    EIN 911485363 · Headquarters: Montesano, WA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  84. Columbiana County Agricultural Soci

    EIN 814782265 · Headquarters: LISBON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Columbiana High School Class of 1977 Celebration of Life Garden

    EIN 463313238 · Headquarters: Columbiana, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Columbiana Restoration and Beautification Committee

    EIN 261186929 · Headquarters: COLUMBIANA, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Columbine Garden Club

    EIN 113840889 · Headquarters: PHOENIX, AZ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Columbus Audubon

    EIN 237455976 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Columbus Co Habitat for Humanity

    EIN 270127912 · Headquarters: Whiteville, NC, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  90. Columbus Community Rights Coalition

    EIN 850570819 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Columbus Ga National Council of Negro Women

    EIN 821171451 · Headquarters: Columbus, GA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Columbus Green Building Forum

    EIN 203793263 · Headquarters: Menlo Park, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Columbus Recreation and Parks Foundation

    EIN 831310416 · Headquarters: Columbus, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Columbus Region Green Fund

    EIN 872293624 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Comal County Conservation Alliance Inc

    EIN 830784635 · Headquarters: CANYON LAKE, TX, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Comal County Friends of the Night Sky

    EIN 852348704 · Headquarters: Canyon Lake, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Comal Environmental Educational Coalition Inc

    EIN 842032668 · Headquarters: NEW BRAUNFELS, TX, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Comanche Community Garden

    EIN 320382665 · Headquarters: Comanche, TX, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Comanche Pool Prairie Resource Foundation

    EIN 481214553 · Headquarters: COLDWATER, KS, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Combat Veterans Motorcycle Association Ca 33-11

    EIN 991078666 · Headquarters: NIPOMO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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