Environment nonprofits in Ohio
Environment nonprofits in Ohio. Browse 961 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
- Capital Crossroads Special Improvement District of Columbus Inc
EIN 341939884 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Captina Conservancy
EIN 273571112 · Headquarters: BARNESVILLE, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cardinal Land Conservancy
EIN 311673211 · Headquarters: Loveland, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Carroll Concerned Citizens
EIN 274819448 · Headquarters: carrollton, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cedar Point Gardeners
EIN 341433372 · Headquarters: Sandusky, OH, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Central Ohio Certified Hazardous Materials Managers Cochmm
EIN 311411481 · Headquarters: Grove City, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Central Ohio Grotto of the National Speleological Society
EIN 992390974 · Headquarters: Johnstown, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Central Ohio Institute of Packaging Professionals
EIN 571169356 · Headquarters: Columbus, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Central Ohio Orchid Society Inc
EIN 311057116 · Headquarters: Gahanna, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Chagos Conservation Trust-us
EIN 271006927 · Headquarters: Mount Vernon, OH, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Chagrin Valley Herb Society
EIN 341667674 · Headquarters: Chagrin Falls, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Champaign Land Preservation Inc
EIN 341874231 · Headquarters: URBANA, OH, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Charitable Recycling
EIN 813451982 · Headquarters: DAYTON, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Charleston Village Society
EIN 341747150 · Headquarters: Lorain, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Chateau Gardens Inc
EIN 432033855 · Headquarters: COLUMBUS, OH, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Chester Waste Watchers Inc
EIN 341564639 · Headquarters: Chesterland, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Chestnut Hill Foundation
EIN 884328124 · Headquarters: Loveland, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Christy Farm Nature Preserve
EIN 341637188 · Headquarters: Fremont, OH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Cincinnati Dahlia Society
EIN 333931173 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cincinnati Horticultural Society
EIN 311291724 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cincinnati Landscape Association
EIN 311009807 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Cincinnati Nature Center
EIN 316057978 · Headquarters: MILFORD, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cincinnati Nature Center Foundation
EIN 393871437 · Headquarters: MILFORD, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Cincinnati Permaculture Institute
EIN 451540027 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Cincinnati Recycling and Reuse Hub
EIN 844850272 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cincinnati Town and Country Garden Club
EIN 316077702 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Citizens Advocating Responsible Energy
EIN 262207770 · Headquarters: Chagrin Falls, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Citizens Against American Landfill Expansion
EIN 341960421 · Headquarters: Waynesburg, OH, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Citizens Against Richwood Solar Inc
EIN 934480292 · Headquarters: RICHWOOD, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Citizens for Greene Acres Inc
EIN 861790387 · Headquarters: Cedarville, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Citizens for Quality Environment
EIN 341550020 · Headquarters: Collins, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Citizens Utility Board of Ohio
EIN 852183855 · Headquarters: LAKEWOOD, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Citizens Vision
EIN 341903093 · Headquarters: Cleveland, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- City Fresh
EIN 522237568 · Headquarters: Oberlin, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Civic Garden Center of Greater Cincinnati
EIN 310559893 · Headquarters: CINCINNATI, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Clean City of Willoughby Inc
EIN 050571785 · Headquarters: Willoughby, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Clean Energy Ventures
EIN 923095191 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clean Fuels Ohio
EIN 043595329 · Headquarters: LAKEWOOD, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Clean Up & Recycling Backers of Clintonville Inc
EIN 311140759 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Clean Waterways of America
EIN 923201626 · Headquarters: TOLEDO, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Cleanenergy4all Dayton Energy Collaborative
EIN 460865001 · Headquarters: DAYTON, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Clear Creeks and Byways Inc
EIN 880852516 · Headquarters: PICKERINGTON, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Anglers
EIN 333365892 · Headquarters: CLEVELAND, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Association of Automotive Dismantlers & Recyclers
EIN 341231326 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Cleveland Botanical Garden
EIN 340239538 · Headquarters: CLEVELAND, OH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Cleveland Conservation Collective
EIN 334223532 · Headquarters: CLEVELAND, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cleveland Cultural Gardens Federation
EIN 346555890 · Headquarters: Cleveland, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Cleveland Lakefront Parks Conservancy
EIN 263998910 · Headquarters: CLEVELAND, OH, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Cleveland Natural Science Club
EIN 346532298 · Headquarters: BEACHWOOD, OH, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Cleveland Pollinator and Native Plants Inc
EIN 833565024 · Headquarters: Shaker Heights, OH, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Cleveland Water Alliance
EIN 461251734 · Headquarters: CLEVELAND, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cleveland Waterfront Coalition Inc
EIN 341350206 · Headquarters: Cleveland, OH, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Clifton Beach Preservation Inc
EIN 993235935 · Headquarters: North Olmsted, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Clinton County Open Lands Inc
EIN 861121605 · Headquarters: Milford, OH, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Clinton Rails to Trails
EIN 311325572 · Headquarters: Wilmington, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Clinton Streamkeepers Association
EIN 311723244 · Headquarters: Wilmington, OH, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Club 3000
EIN 341561311 · Headquarters: Bolivar, OH, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Coah Conservation Inc
EIN 461086177 · Headquarters: WEST JEFFERSON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Cold Creek Foundation
EIN 833766939 · Headquarters: CASTALIA, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Colour Columbus
EIN 311243517 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Columbiana County Agricultural Soci
EIN 814782265 · Headquarters: LISBON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- 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
- Columbiana Restoration and Beautification Committee
EIN 261186929 · Headquarters: COLUMBIANA, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Columbus Audubon
EIN 237455976 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Columbus Community Rights Coalition
EIN 850570819 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Columbus Recreation and Parks Foundation
EIN 831310416 · Headquarters: Columbus, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Columbus Region Green Fund
EIN 872293624 · Headquarters: COLUMBUS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Community Catalyst
EIN 853421229 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Community Life Collaborative
EIN 843965227 · Headquarters: CHAGRIN FALLS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Community Recycling Campaign Inc
EIN 273685625 · Headquarters: Powell, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Concerned Citizens of the Coolville Area Inc
EIN 311377467 · Headquarters: Coolville, OH, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Confluence Water Technology Innovation Cluster Inc
EIN 455207723 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Conscious Cap Corp
EIN 873916666 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Conservancy for Cuyahoga Valley National Park
EIN 341917257 · Headquarters: PENINSULA, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Conservation Action Project
EIN 311544350 · Headquarters: BOWLING GREEN, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Conservation Foundation of America
EIN 203092353 · Headquarters: CANAL WINCHESTER, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Coshocton C a R E S College Access Program
EIN 432108283 · Headquarters: COSHOCTON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Coshocton Is Blooming
EIN 453939725 · Headquarters: COSHOCTON, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Covenant Chapter 48 Oes
EIN 820869519 · Headquarters: Youngstown, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cowan Lake Association of Sportsmen Inc
EIN 311288003 · Headquarters: Wilmington, OH, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- Crossroads Resource Conservation
EIN 510188613 · Headquarters: NEW PHILADELPHIA, OH, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- Crown Point Ecology Center
EIN 272817313 · Headquarters: BATH, OH, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Cub Ohio Advocacy Group
EIN 992255425 · Headquarters: LAKEWOOD, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Cuyahoga Falls Community Gardens Inc
EIN 454720713 · Headquarters: SILVER LAKE, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Cuyahoga River Community Planning Organization
EIN 341616693 · Headquarters: Cleveland, OH, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Cuyahoga Valley Countryside Conservancy
EIN 341896395 · Headquarters: CUYAHOGA FALLS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Dahlia Society of Ohio
EIN 341406702 · Headquarters: Cleveland Heights, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Darby Creek Association Inc
EIN 311339875 · Headquarters: Columbus, OH, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Darby Creek Matters Inc
EIN 260442149 · Headquarters: London, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Darke County Land Trust Alliance Inc
EIN 364488935 · Headquarters: Greenville, OH, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Daughters of America
EIN 237522174 · Headquarters: Orient, OH, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Dayton Audubon Society
EIN 316030743 · Headquarters: Dayton, OH, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Delaware County Friends of the Trail
EIN 311742882 · Headquarters: Westerville, OH, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Delaware County Master Gardener Association
EIN 810785769 · Headquarters: Delaware, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Delaware Land Conservancy Dclc
EIN 301347854 · Headquarters: Delaware, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Delphos Canal Commission
EIN 341667265 · Headquarters: DELPHOS, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Disciples in Blue
EIN 842427664 · Headquarters: Perrysburg, OH, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Doan Brook Watershed Partnership
EIN 043636350 · Headquarters: CLEVELAND, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Dogwood Valley Garden Club Inc
EIN 271462934 · Headquarters: Chagrin Falls, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Donate a Tree to the World
EIN 841918411 · Headquarters: PEPPER PIKE, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N