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
- Boulder County Nature Association
EIN 742243827 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Boulder Creek Watershed Initiative
EIN 841387545 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Boulder Green Building Foundation
EIN 205005787 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Boulder Open Space Conservancy
EIN 821716267 · Headquarters: Boulder, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Boulder Rights of Nature Llc
EIN 461407951 · Headquarters: Longmont, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Boulder Waterkeeper
EIN 825253836 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Boulder Watershed Collective
EIN 842674914 · Headquarters: BOULDER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Breckenridge Community Gardens Inc
EIN 881504499 · Headquarters: Breckenridge, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Bridge for Indigenous Development and Grassroots Empowerment
EIN 202321947 · Headquarters: Lakewood, CO, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Bringing Home America
EIN 451477613 · Headquarters: Louisville, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Broomfield Open Space Foundation
EIN 204926438 · Headquarters: Broomfield, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Brush Creek Park Community Gardens
EIN 263552051 · Headquarters: Eagle, CO, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Butterfly Hope
EIN 841204907 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- Cal-Wood Education Center
EIN 202472544 · Headquarters: Jamestown, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Canopy Denver
EIN 392939168 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Canyon Area Residents for the Environment
EIN 841138312 · Headquarters: Golden, CO, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Carbon Neutral Foundation
EIN 842519453 · Headquarters: HESPERUS, CO, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Carbondale Agricultural Heritage Fund
EIN 841417032 · Headquarters: CARBONDALE, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Carbondale Bike Project
EIN 872916353 · Headquarters: Carbondale, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cardiff Community Garden
EIN 810973107 · Headquarters: Snowmass, CO, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Caribbean Coral Restoration Center
EIN 812271664 · Headquarters: LYONS, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Caribbean Ocean Trust
EIN 933247296 · Headquarters: Edwards, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cascade Colorado Park Association Inc
EIN 841179289 · Headquarters: Cascade, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Cedaredge Community Gardens
EIN 271493306 · Headquarters: CEDAREDGE, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Centennial Land Trust
EIN 841333415 · Headquarters: Orchard, CO, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Center for Environmental Diplomacy
EIN 341996826 · Headquarters: COLORADO SPRINGS, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Center for Environmental Science Accuracy & Reliability
EIN 261949836 · Headquarters: Nederland, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Center for Living Environments and Regeneration
EIN 452591264 · Headquarters: Fort Collins, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Center for Snow and Avalanche Studies
EIN 043737768 · Headquarters: SILVERTON, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Central Mountain Training Foundation
EIN 731695822 · Headquarters: Canon City, CO, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Central Rocky Mountain Permaculture Inst
EIN 841186035 · Headquarters: BASALT, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Chaffee Co Citizens for Recycling
EIN 841503947 · Headquarters: Salida, CO, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Chama Peak Land Alliance
EIN 274506183 · Headquarters: PAGOSA SPRINGS, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Charge and Change Nonprofit
EIN 842541406 · Headquarters: Fort Collins, CO, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Cherokee Freedom Ranch Wildlife
EIN 920959491 · Headquarters: WESTCLIFFE, CO, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Cherokee Ranch & Castle
EIN 841363339 · Headquarters: Sedalia, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cherry Hills Land Preserve Inc
EIN 421620661 · Headquarters: ENGLEWOOD, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cheyenne Central
EIN 872908182 · Headquarters: Colorado Springs, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cheyenne Commons Alliance
EIN 841401252 · Headquarters: Colorado Springs, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Chinle Cactus & Succulent Society
EIN 263531049 · Headquarters: Grand Junction, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cimarron Valley and River Watershed Coalition
EIN 853640043 · Headquarters: Montrose, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Circular Colorado Incorporated
EIN 873437643 · Headquarters: Broomfield, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cisco Modern Wildlife Education
EIN 882916767 · Headquarters: Windsor, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Citizen-Powered Media
EIN 205853254 · Headquarters: Colorado Springs, CO, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- 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
- Citizens Climate Lobby Montrose Co
EIN 932072596 · Headquarters: Montrose, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Citizens for a Healthy Community
EIN 272139467 · Headquarters: PAONIA, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Citizens for Clean Air Grand Junction Colorado
EIN 831472133 · Headquarters: Grand Junction, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Citizens for Clean Energy Inc
EIN 841195070 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Citizens for Huerfano County Inc
EIN 452780572 · Headquarters: LA VETA, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Citizens for San Luis Valley Water
EIN 841151037 · Headquarters: Alamosa, CO, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Citizens Progressive Alliance
EIN 841456275 · Headquarters: Littleton, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Classroom For Climate Action
EIN 881484781 · Headquarters: Louisville, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Clean Airport Partnership Inc
EIN 841461126 · Headquarters: Golden, CO, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Clean Energy Action
EIN 208556667 · Headquarters: Boulder, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Clean Energy Alliance Inc
EIN 208329937 · Headquarters: Golden, CO, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990
- Clean It Up
EIN 851498538 · Headquarters: WESTMINSTER, CO, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Clean Neighborhood Project Inc
EIN 993237748 · Headquarters: Parker, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Clean Trails Inc
EIN 463516124 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Clean Valley Recycling
EIN 452749870 · Headquarters: La Junta, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clean Water Here Foundation
EIN 822713129 · Headquarters: HYGIENE, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Cleaner Tomorrow Foundation
EIN 922205799 · Headquarters: Aurora, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cleanliness and Safety Initiative
EIN 933543882 · Headquarters: AURORA, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Clear Creek Land Conservancy
EIN 841030493 · Headquarters: GOLDEN, CO, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990
- Clear the Air Foundation
EIN 262499405 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Climate Accountability Institute
EIN 453193449 · Headquarters: Snowmass, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Climate Change Narrative Org
EIN 872921969 · Headquarters: Breckenridge, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Climate Democracy Initiative
EIN 920943342 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Climate Jobs Colorado Inc
EIN 994186561 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Climate Justice Hive
EIN 992177830 · Headquarters: Boulder, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Climateunified Org
EIN 872985608 · Headquarters: castle rock, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cloud City Conservation Center
EIN 460616024 · Headquarters: LEADVILLE, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cloud Ridge Naturalists
EIN 840919233 · Headquarters: Ward, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Co-op Leadership Academy
EIN 994006325 · Headquarters: BAYFIELD, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Coal Creek Canyon Watershed Partnership Co Henry Waters & Associates Inc
EIN 812439140 · Headquarters: BOULDER, CO, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990
- Coal Creek Watershed Coalition
EIN 260894694 · Headquarters: CRESTED BUTTE, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Coaldale Alliance
EIN 813989860 · Headquarters: Coaldale, CO, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Coalition for the Poudre River Watershed
EIN 462850042 · Headquarters: FORT COLLINS, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Coalition for the Upper South Platte
EIN 841469785 · Headquarters: LAKE GEORGE, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Coalitions & Collaboratives Inc
EIN 472144690 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cohvco Access Fund
EIN 454880293 · Headquarters: THORNTON, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Col Foundation
EIN 841072741 · Headquarters: LAKEWOOD, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cold Climate Energy Alliance
EIN 394863680 · Headquarters: Fort Collins, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Coldharbour Institute
EIN 421608661 · Headquarters: GUNNISON, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Collective Clean Energy Fund
EIN 320586861 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Colo Foundation for Water Education
EIN 611431665 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Coloradans for Clean Air Inc
EIN 841065604 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Coloradans for Natural Resources
EIN 460583287 · Headquarters: DENVER, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Colorado Addicted Trail Builders Society
EIN 473005948 · Headquarters: Milliken, CO, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Colorado Advanced Manufacturing Fnd
EIN 471393559 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Colorado Ag Water Alliance
EIN 832969510 · Headquarters: LITTLETON, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Colorado Alliance for Environmental Education Inc
EIN 841134814 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Colorado Association for Recycling Inc
EIN 841179373 · Headquarters: Longmont, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Colorado Bark Beetle Cooperative
EIN 272171399 · Headquarters: Silverthorne, CO, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Colorado Big Country Resource Conservation and Development Counc
EIN 742446965 · Headquarters: Glenwood Springs, CO, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Colorado Brownfields Foundation
EIN 450508824 · Headquarters: LITTLETON, CO, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990
- Colorado Center for the Advancement of Patient Safety
EIN 841228675 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Colorado Citizens Against Toxic Waste Inc
EIN 770589748 · Headquarters: Canon City, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Colorado Clean Energy Cluster
EIN 263243017 · Headquarters: Fort Collins, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Colorado Cleantech Industry Association Foundation Inc
EIN 455224981 · Headquarters: Niwot, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N