Environment nonprofits in Colorado

Environment nonprofits in Colorado. Browse 1,078 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 Coalition of Land Trusts

    EIN 841355809 · Headquarters: GOLDEN, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Colorado Conservation Foundation

    EIN 840574605 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  3. Colorado Conservation Voters Education

    EIN 731651499 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990

  4. Colorado Council of Landscape Architects

    EIN 841598729 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  5. Colorado Desert Herb Society

    EIN 841504773 · Headquarters: Grand Junction, CO, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  6. Colorado Division of Izaak Walton League of America

    EIN 840723091 · Headquarters: Colorado Springs, CO, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  7. Colorado Embodied Carbon Collaborative

    EIN 990935988 · Headquarters: Centennial, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Colorado Energy and Water Institute

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

  9. Colorado Federation of Garden Clubs Inc

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

  10. Colorado Food Justice

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

  11. Colorado Garden Show Inc

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

  12. Colorado Grotto Inc

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

  13. Colorado Headwaters Land Trust

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

  14. Colorado Iron Association

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

  15. Colorado Lake and Reservoir Management Association

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

  16. Colorado Marina Association

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

  17. Colorado Mountain Club Foundation

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

  18. Colorado Mountain Reclamation Foundation

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

  19. Colorado Native Plant Society

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

  20. Colorado Nature League

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

  21. Colorado Off-highway Vehicle Coalition

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

  22. Colorado Open Lands

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

  23. Colorado Open Lands

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

  24. Colorado Outdoor Education Center Inc

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

  25. Colorado Outward Bound School

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

  26. Colorado Potato Legislative Association

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

  27. Colorado Prescribed Fire Council

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

  28. Colorado Renewable Energy Society

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

  29. Colorado Resident Hunter Equality Task Force

    EIN 841492148 · Headquarters: Montrose, CO, US · Environment · Latest available filing year: 2009 · 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 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

  33. Colorado Springs Conservation Corps

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

  34. Colorado State Tree Farm Committee

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

  35. Colorado Tree Coalition Inc

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

  36. Colorado Ukraine Agricultural Group

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

  37. Colorado Wastewater Utility Council

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

  38. Colorado Water and Wastewater System

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

  39. Colorado Water Innovation Cluster Inc

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

  40. Colorado Water Officials Association Division 1

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

  41. Colorado Water Trust

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

  42. Colorado Watershed Assembly

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

  43. Colorado Waterwise Council

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

  44. Colorado Wild

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

  45. Colorado Wild Public Lands Inc

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

  46. Colorado Working Landscapes

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

  47. Colorado Youth Corps Association

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

  48. Colorado Youth Outdoors Charitable Trust

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

  49. Coloradoheadwaters Llc

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

  50. Colorados Future

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

  51. COMMON Foundation Dba Our COMMON Foundation

    EIN 261421917 · Headquarters: Boulder, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Community Alliance of the Yampa Valley

    EIN 841278025 · Headquarters: Steamboat Springs, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Community Counts Colorado Inc

    EIN 273746556 · Headquarters: Rifle, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Community Fruit Rescue

    EIN 833022407 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Community Office for Resource Efficiency

    EIN 841280543 · Headquarters: ASPEN, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Community Thrift & Treasure Inc

    EIN 453117214 · Headquarters: GLENWOOD SPRINGS, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Community Twine Recycling

    EIN 883114030 · Headquarters: Fort Collins, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Conejos Clean Water

    EIN 272768961 · Headquarters: Antonito, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Confluence Center of Colorado Inc

    EIN 933159806 · Headquarters: Grand Junction, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Confluence Colorado

    EIN 881757678 · Headquarters: DENVER, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Conservantion

    EIN 821613114 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  62. Conservation Colorado Education Fund

    EIN 840614285 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Conservation Diver Foundation

    EIN 822987996 · Headquarters: Evergreen, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Conservation Easement Preservation Society

    EIN 992333509 · Headquarters: LONGMONT, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Conservation Ink

    EIN 141839242 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  66. Conservation Investment Germinator

    EIN 841933451 · Headquarters: CASTLE ROCK, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Conservation Lands Foundation

    EIN 208924520 · Headquarters: Durango, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Consortium for Research and Education on Emerging Contaminents

    EIN 760844996 · Headquarters: Lakewood, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. Continental Divide Land Trust

    EIN 841263709 · Headquarters: FRISCO, CO, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990

  70. Continental Divide Trail Alliance Inc

    EIN 841325488 · Headquarters: MORRISON, CO, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990

  71. Continental Divide Trail Coalition

    EIN 455051775 · Headquarters: GOLDEN, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Copper Environmental Foundation

    EIN 800395702 · Headquarters: Copper Mountain, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Cordis Certified Healthy

    EIN 811958002 · Headquarters: DENVER, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Cortez Community Garden

    EIN 455216000 · Headquarters: Cortez, CO, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  75. Cos Sea Hawkers

    EIN 933814328 · Headquarters: MONUMENT, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. COSSA Institute Inc

    EIN 883151196 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Cottonwood Institute

    EIN 201822172 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Council of Western State Foresters

    EIN 460452143 · Headquarters: EDGEWATER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Creatio Inc

    EIN 261600553 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Crested Butte Botanic Gardens

    EIN 882857166 · Headquarters: Crested Butte, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Crested Butte Land Trust

    EIN 841190830 · Headquarters: CRESTED BUTTE, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Crestone Baca Land Trust

    EIN 841607917 · Headquarters: Crestone, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Crowd Conservation

    EIN 811455960 · Headquarters: Fort Collins, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Crystal Lakes Open Space Conservancy

    EIN 861921704 · Headquarters: Fort Collins, CO, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  85. Crystal Lakes Open Space Conservancy Group

    EIN 990764812 · Headquarters: Windsor, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Culebra Range Community Coalition Inc

    EIN 050569387 · Headquarters: Trinidad, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Dark Skies Inc

    EIN 841475282 · Headquarters: WESTCLIFFE, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Dark Skies Paonia

    EIN 833784313 · Headquarters: Paonia, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Deape Incorporated

    EIN 471012543 · Headquarters: Aurora, CO, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  90. Defenders of Miners Creek

    EIN 841504053 · Headquarters: FRISCO, CO, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  91. Denver 2030 District Inc

    EIN 814906602 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. Denver Audubon

    EIN 237063701 · Headquarters: LITTLETON, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Denver Botanic Gardens

    EIN 840440359 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Denver Botanic Gardens Endowment

    EIN 841202946 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Denver Master Gardeners Association

    EIN 841154761 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Denver Orchid Society

    EIN 742374471 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  97. Denver Permaculture Guild

    EIN 352669713 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  98. Denver Urban Gardens

    EIN 742374848 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Desert Ecosystem Analysis Restoration

    EIN 270797128 · Headquarters: Grand Junction, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Desert Lion and Elephant Conservation

    EIN 364727895 · Headquarters: Nederland, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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