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
- Mountain States Energy Alliance
EIN 841496482 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Mountain Studies Institue
EIN 731644103 · Headquarters: DURANGO, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mountain Thyme Herb Society
EIN 822272980 · Headquarters: Durango, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mountain West Environmental Labor Coalition
EIN 451654046 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Mt Sopris Recreational Riders Inc
EIN 840806379 · Headquarters: Carbondale, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mt Sopris Recreational Riders Inc
EIN 841224262 · Headquarters: Carbondale, CO, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- Mundi Primum Foundation Inc
EIN 882138189 · Headquarters: CASTLE ROCK, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Murphy Creek Community Garden
EIN 920358078 · Headquarters: Aurora, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mutual Lateral Irrigation Company
EIN 422170163 · Headquarters: Fort Morgan, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mycelium Cooperative Foundation
EIN 393354408 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Myplanet Alliance
EIN 882070115 · Headquarters: Fort Collins, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Myteam Triumph Inc
EIN 274332308 · Headquarters: Northglenn, CO, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- National Association of Forest Service Retirees
EIN 542055223 · Headquarters: Fort Collins, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Association of Professional Mortgage Women
EIN 942848233 · Headquarters: Castle Rock, CO, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- National Grazing Lands Coalition
EIN 752943956 · Headquarters: CASTLE PINES, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Recycling Coalition Inc
EIN 132954127 · Headquarters: LOVELAND, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Wilderness Stewardship Alliance
EIN 300656123 · Headquarters: FORT COLLINS, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Wildlife Foundation Inc
EIN 841562137 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Natural Capitalism Solutions Inc
EIN 141901877 · Headquarters: Longmont, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Natural Selection Foundation
EIN 843751000 · Headquarters: Fort Collins, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Natural Wanders
EIN 301269589 · Headquarters: Grand Junction, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nature and Raptor Center of Pueblo
EIN 742269068 · Headquarters: Pueblo, CO, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990
- Nature and Wildlife Discovery Center
EIN 841526595 · Headquarters: BEULAH, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nature First
EIN 861225718 · Headquarters: Estes Park, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nature Fund for National Parks
EIN 800839774 · Headquarters: Littleton, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Natureworkshop
EIN 473135586 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Nederland Area Trails Organization
EIN 455280707 · Headquarters: Nederland, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Neighborhood Rehab Project
EIN 843440728 · Headquarters: Golden, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Net Positive
EIN 811651277 · Headquarters: parker, CO, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Never Summer Forest Conservancy
EIN 932092851 · Headquarters: Evergreen, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- New Earth Collaborative
EIN 873844027 · Headquarters: Aurora, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- New Energy Colorado
EIN 841184065 · Headquarters: GOLDEN, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Next Generation Land Trust
EIN 920961866 · Headquarters: Telluride, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- No2plastic
EIN 830727049 · Headquarters: Englewood, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nonprofit Gardens
EIN 852341444 · Headquarters: montrose, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Nooru Foundation
EIN 262749940 · Headquarters: GOLDEN, CO, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- North American Buffalo Range
EIN 911586820 · Headquarters: Longmont, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- North American Hazardous Materials Management Association
EIN 030340816 · Headquarters: Eaton, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- North American Wind Energy Academy
EIN 412843489 · Headquarters: GOLDEN, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- North Central Weed Science Society Inc
EIN 371012173 · Headquarters: WESTMINSTER, CO, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990
- North Fork South Platte River Foundation
EIN 271499886 · Headquarters: Littleton, CO, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- North Fork Weed Coop
EIN 223886101 · Headquarters: Fort Collins, CO, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- North Washington Water Users Association
EIN 846035878 · Headquarters: EASTLAKE, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Northeast Colorado Resource Conservation and Development Cnsl
EIN 841554104 · Headquarters: STERLING, CO, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Northeast Metro Pollution Prevention Alliance
EIN 841436435 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Northern Colorado Back Country Horseman
EIN 814413222 · Headquarters: Ault, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Northern Colorado Clean Cities
EIN 832410467 · Headquarters: ft collins, CO, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Northern Colorado Climbers Coalition
EIN 263414226 · Headquarters: FORT COLLINS, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Northern Colorado Energy Star Homes Inc
EIN 452383867 · Headquarters: WINDSOR, CO, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Nourish International USA
EIN 861801401 · Headquarters: ROCKY FORD, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- NREL Foundation
EIN 863498248 · Headquarters: Golden, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nurture Our Wilderness
EIN 333872395 · Headquarters: Loveland, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nwccog Foundation Inc
EIN 841347451 · Headquarters: SILVERTHORNE, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Meadows Service Company
EIN 841316175 · Headquarters: GLENWOOD SPRINGS, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ocean Guardian
EIN 273312138 · Headquarters: Fountain, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Old Colorado City Trash Fairies
EIN 872957593 · Headquarters: Colorado Springs, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Old Threshers Group
EIN 841093476 · Headquarters: Yuma, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Ocaen Worldwide Coalition Co
EIN 332341817 · Headquarters: COLORADO SPRINGS, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- One Well World Foundation
EIN 824610908 · Headquarters: Silverthorne, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- One Yard at a Time
EIN 320792277 · Headquarters: Arvada, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Onexeveryone
EIN 844240352 · Headquarters: fort collins, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oniyabison Us
EIN 931838054 · Headquarters: LA JARA, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Flow Inc
EIN 472639630 · Headquarters: CENTENNIAL, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Open Space Protection Alliance
EIN 853701204 · Headquarters: Longmont, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Water Foundation
EIN 462676240 · Headquarters: FORT COLLINS, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orphan Well Project Ltd
EIN 843106135 · Headquarters: Thornton, CO, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Our American Lands
EIN 994667897 · Headquarters: ANTONITO, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Our Sacred Earth
EIN 204907597 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Our Wild Lands
EIN 842989389 · Headquarters: Crested Butte, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ouray County Water Users Association
EIN 463724895 · Headquarters: Ridgway, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Outstanding Grand Lake Foundation
EIN 820924320 · Headquarters: Grand Lake, CO, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Outward Bound Inc
EIN 042375956 · Headquarters: BOULDER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Owl Mountain Partnership
EIN 201481796 · Headquarters: Walden, CO, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Pact Collective
EIN 873934398 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Pagosa Area Trails Council
EIN 311573510 · Headquarters: Pagosa Springs, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Pagosa Springs Friends of the Wild
EIN 412474423 · Headquarters: Pagosa Springs, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pagosa Waldorf Initiative Dba Treasure Mnt Early Life Center
EIN 203781909 · Headquarters: PAGOSA SPRINGS, CO, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Painted Sky Rc&d Council
EIN 841489087 · Headquarters: DELTA, CO, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990
- Palmer Lake Restoration Project Inc
EIN 841360279 · Headquarters: PALMER LAKE, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Pangea Institute
EIN 030413991 · Headquarters: Boulder, CO, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Paradigm Nouveau Foundation
EIN 272983937 · Headquarters: LONGMONT, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Park County Water Preservation Coalition Inc
EIN 841371109 · Headquarters: Fairplay, CO, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Partners for Conservationinc C/o Russell Davis
EIN 273577543 · Headquarters: ORDWAY, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Partners for Western Conservation
EIN 271191891 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Partnership of Rangeland Trusts
EIN 204767471 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Parvatiorg Foundation
EIN 824816351 · Headquarters: Denver, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Peak Adventure
EIN 993864052 · Headquarters: WOODY CREEK, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Peak City Community Inc
EIN 841873980 · Headquarters: COLORADO SPGS, CO, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Peak to Peak Forest Watch Corp
EIN 813788864 · Headquarters: Nederland, CO, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Peaks Plateaus & Canyons Assoc
EIN 841602255 · Headquarters: Ridgway, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Peaks to People Water Fund
EIN 823779406 · Headquarters: FORT COLLINS, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Peanut Mine Inc
EIN 161675556 · Headquarters: Crested Butte, CO, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- People and Pollinators Action Network
EIN 472260229 · Headquarters: NIWOT, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Perk Up the Park
EIN 824591841 · Headquarters: Akron, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pesticide Watch Education Fund
EIN 954322048 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Petals for Pollinators
EIN 880823343 · Headquarters: denver, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pikes Peak Botanic Gardens & Education Center
EIN 841360508 · Headquarters: Colorado Springs, CO, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Pikes Peak Chapter #34 of Izaak Walton League of America Inc
EIN 237455866 · Headquarters: COLORADO SPRINGS, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Pine Elk Creek Improvement Association
EIN 841507295 · Headquarters: Pine Grove, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Pine Foundation Inc
EIN 200156560 · Headquarters: Frisco, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF