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
- Design Workshop Foundation (Aka Dw Foundation)
EIN 680525655 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Dolores River Anglers 145
EIN 463996364 · Headquarters: CORTEZ, CO, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Dolores River Boating Advocates
EIN 454046629 · Headquarters: Dolores, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Doubleheader Mountain Association
EIN 846119154 · Headquarters: Aurora, CO, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Douglas Land Conservancy
EIN 841076613 · Headquarters: CASTLE ROCK, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Dreammind Institute Inc
EIN 392728330 · Headquarters: broomfield, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Dreams of the Wild
EIN 815355535 · Headquarters: Parker, CO, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Drive Clean Colorado
EIN 833194642 · Headquarters: BERTHOUD, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Durango Botanic Gardens
EIN 452504868 · Headquarters: DURANGO, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Durango Nature Studies
EIN 841268421 · Headquarters: Durango, CO, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990
- Eagle River Watershed Council
EIN 204448864 · Headquarters: EAGLE, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Eagle Summit Wilderness Alliance
EIN 841305851 · Headquarters: FRISCO, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Eagle Valley Land Trust
EIN 742205958 · Headquarters: EDWARDS, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Eaglevail Community Garden
EIN 474375065 · Headquarters: Avon, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Earth Foundation Inc
EIN 845037791 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Earth Initiatives
EIN 800551578 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Earth Restoration Alliance
EIN 841216073 · Headquarters: CARBONDALE, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Earth Restoration Corps
EIN 522221549 · Headquarters: CRESTONE, CO, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Earthart Institute
EIN 841472858 · Headquarters: Moffat, CO, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Earthnest the San Luis Valley Ecovillage Institute
EIN 450564639 · Headquarters: FORT GARLAND, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Earthsaver Fund
EIN 311621659 · Headquarters: Louisville, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- East Grand Water Quality Board
EIN 840977994 · Headquarters: FRASER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Eco Patrol Foundation
EIN 202744414 · Headquarters: Broomfield, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Eco-cycle Inc
EIN 840730811 · Headquarters: BOULDER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ecoatlas
EIN 200220438 · Headquarters: Hotchkiss, CO, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Ecoflight
EIN 800012615 · Headquarters: ASPEN, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ecogee Inc
EIN 264248834 · Headquarters: AURORA, CO, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Ecogreenvision
EIN 272782064 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Ecological Consultants for the Publ Ic Interest
EIN 841401558 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ecosystem Services Market Consortium
EIN 861877472 · Headquarters: THORNTON, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ecuadorian Rivers Institute
EIN 743062146 · Headquarters: Basalt, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Edge Inc
EIN 840789216 · Headquarters: Aurora, CO, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- El Paso County Parks Naturalist Docent Org Inc
EIN 841248165 · Headquarters: COLORADO SPRINGS, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Emerald Mountain Partnership
EIN 841546158 · Headquarters: Steamboat Springs, CO, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Energy & Conservation Law
EIN 453770382 · Headquarters: DURANGO, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Energy 2000 Forum in Aspen
EIN 841270425 · Headquarters: AURORA, CO, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Energy Conservation Alliance Inc
EIN 271494651 · Headquarters: Centennial, CO, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990
- Energy Efficient Home Alliance of N America
EIN 261224368 · Headquarters: FORT COLLINS, CO, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990
- Energy Smart Colorado Inc
EIN 465237082 · Headquarters: FRISCO, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Enviro Pet Waste Network
EIN 871397885 · Headquarters: AURORA, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Enviroevents Inc
EIN 263484693 · Headquarters: LOVELAND, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Envirofriendly Foundation
EIN 263769448 · Headquarters: Littleton, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Environment America Inc
EIN 205355252 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Environment America Research and Policy Center Inc
EIN 134339865 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Environment Colorado Inc
EIN 571151228 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990
- Environment Colorado Research and Policy Center Inc
EIN 571151227 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Environment Education Association
EIN 842430130 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Environment Illinois Research and Education Center Nfp
EIN 562586486 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Environmental Action Inc
EIN 571176128 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Environmental Action Research Center Inc
EIN 465151443 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Environmental Alliance Inc
EIN 990855795 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Environmental and Engineering Geophysical Society
EIN 841075414 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Environmental Group
EIN 841153199 · Headquarters: Nederland, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Environmental Mining Reclamation & Restoration Inc
EIN 814148428 · Headquarters: CENTENNIAL, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Environmental Research Group
EIN 742259725 · Headquarters: ASPEN, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Environmentalists for Nuclear Energy Inc
EIN 980395831 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Environmentally Conscious Consumers for Oil Shale
EIN 208892884 · Headquarters: GRAND JUNCTION, CO, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Estes Land Stewardship Association
EIN 455169603 · Headquarters: Estes Park, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Estes Valley Community Garden Inc
EIN 471279219 · Headquarters: ESTES PARK, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Estes Valley Land Trust
EIN 742465136 · Headquarters: ESTES PARK, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Estes Valley Memorial Gardens Inc
EIN 744242543 · Headquarters: Estes Park, CO, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990
- Estes Valley Watershed Coalition
EIN 472792100 · Headquarters: ESTES PARK, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ethno-medicine Preservation Project -Us
EIN 841282685 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Eutierria Inc
EIN 883100208 · Headquarters: Monument, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Evergreen Land Community Coalition Inc
EIN 841508602 · Headquarters: Evergreen, CO, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Evergreens Alliance for Sustainability
EIN 271759397 · Headquarters: Evergreen, CO, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Eye of the Heart Wildlife Refuge
EIN 201857288 · Headquarters: black hawk, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Factor(e) Ventures Ltd
EIN 200334006 · Headquarters: FORT COLLINS, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Fairtreeorg
EIN 854292792 · Headquarters: Parker, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Falls Creek Wildlands and Trails
EIN 333174073 · Headquarters: DURANGO, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Feet on the Earth Programs
EIN 274748274 · Headquarters: Boulder, CO, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Ferris Olson Family Foundation for Ocean Stewardship
EIN 881403435 · Headquarters: CENTENNIAL, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Fertile Edge Community Land Trust
EIN 881808389 · Headquarters: Paonia, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Fire on the Mountain Incorporated
EIN 862956852 · Headquarters: Grand Lake, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- First Ascent Foundation
EIN 841438009 · Headquarters: Longmont, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Fishchoice Inc
EIN 261550374 · Headquarters: FORT COLLINS, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Flatirons Climbing Council
EIN 753112596 · Headquarters: DENVER, CO, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Florida Public Interest Research Group Education Fund Inc
EIN 592854230 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Flux Farm Foundation
EIN 260737368 · Headquarters: Carbondale, CO, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Focus on the Forest
EIN 320532596 · Headquarters: Woodland Park, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Foothills Audubon Club
EIN 742513430 · Headquarters: Berthoud, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Forest Conservancy
EIN 841583104 · Headquarters: Carbondale, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Forestry Management Inc
EIN 223966601 · Headquarters: Lyons, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Fort Lyon Water Association
EIN 473314038 · Headquarters: MCCLAVE, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Fountain Creek Watershed Inc
EIN 873829407 · Headquarters: COLORADO SPRINGS, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Four Corners Office for Resource Eff
EIN 262091859 · Headquarters: Durango, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Four Corners Recycling Initiative
EIN 270876254 · Headquarters: CORTEZ, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Four Leaf Clover Inc
EIN 994561768 · Headquarters: GRAND JUNCTION, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Fraser Valley Partnership for Trails Inc
EIN 841321375 · Headquarters: Fraser, CO, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Freedom to Roam Inc
EIN 300566455 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990
- Friends of 225
EIN 332231787 · Headquarters: Glenwood Springs, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Arrowhead Lodge and Conservators of Nature Society
EIN 841253704 · Headquarters: Whitewater, CO, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Friends of Berrier Creek and Barn Pond
EIN 994169960 · Headquarters: Steamboat Springs, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Berthoud Pass
EIN 200216937 · Headquarters: Golden, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Friends of Browns Canyon
EIN 260068761 · Headquarters: Salida, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Cheyenne Canon Inc
EIN 841324887 · Headquarters: COLORADO SPRINGS, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Friends of Clear Creek
EIN 834495195 · Headquarters: Empire, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Coal West
EIN 464358186 · Headquarters: LAKEWOOD, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Eldorado Canyon State Park
EIN 333980049 · Headquarters: ELDORADO SPRG, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Fox Run Park
EIN 842986569 · Headquarters: Monument, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N