Environment nonprofits in Ohio

737 environmental nonprofits in Ohio file a Form 990. Together they report $306 million in revenue and hold $1.4 billion in assets.

Browse all 297 environmental nonprofits in Ohio →

The largest are Greenacres Foundation Inc, Western Reserve Land Conservancy, and Holden Arboretum Trust.

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Environment in Ohio

Largest by revenue first.

Greenacres Foundation Inc 501(c)(3) · Cincinnati, OH	$33.8M
Western Reserve Land Conservancy 501(c)(3) · Moreland Hls, OH	$29.2M
HHolden Arboretum Trust 501(c)(3) · Brooklyn, OH	$14.4M
West Creek Conservancy 501(c)(3) · Parma, OH	$13.9M
Cardinal Land Conservancy Inc 501(c)(3) · Loveland, OH	$12.6M
The Holden Arboretum 501(c)(3) · Kirtland, OH	$11.8M
Institute For Energy Economics And Financial Analysis Inc 501(c)(3) · Valley City, OH	$11.5M
Cincinnati Nature Center Association 501(c)(3) · Milford, OH	$10.8M
Appalachia Ohio Alliance 501(c)(3) · Columbus, OH	$7.7M
Conservancy For Cuyahoga Valley National Park 501(c)(3) · Peninsula, OH	$6.3M
Cleveland Botanical Garden 501(c)(3) · Cleveland, OH	$6.3M
CColumbus Region Green Fund 501(c)(3) · Columbus, OH	$5.7M
Great Parks Forever 501(c)(3) · Cincinnati, OH	$5.3M
Southern Ohio Diversification Initiative 501(c)(3) · Piketon, OH	$5.2M
Indian Lake Advocacy Group 501(c)(3) · Russells Pt, OH	$5.1M
FFriends Of The Conservatory 501(c)(3) · Columbus, OH	$4.9M
Capital Crossroads Special Improvement District Of Columbus Inc 501(c)(4) · Columbus, OH	$4.6M
Black Swamp Conservancy 501(c)(3) · Perrysburg, OH	$4.6M
The Hamilton Parks Conservancy 501(c)(3) · Hamilton, OH	$4.4M
Environmental Health Watch Inc 501(c)(3) · Cleveland, OH	$4.0M
The Ohio Environmental Council 501(c)(3) · Columbus, OH	$3.8M
Joy Outdoor Education Center Foundation Inc 501(c)(3) · Clarksville, OH	$3.7M
Power A Clean Future Ohio 501(c)(3) · Columbus, OH	$3.4M
Little Miami Conservancy 501(c)(3) · Loveland, OH	$3.3M
Secore International Inc 501(c)(3) · Canton, OH	$3.2M
Athens-Hocking County Recycling Centers Inc 501(c)(3) · Athens, OH	$3.1M
Israel Nature And Heritage Foundation Of America Inc 501(c)(3) · Grove City, OH	$3.0M
Horticultural Research Institute Endowment Fund Inc 501(c)(3) · Columbus, OH	$3.0M
Cleveland Water Alliance 501(c)(3) · Cleveland, OH	$3.0M
The Wilderness Center Inc 501(c)(3) · Wilmot, OH	$2.6M
Shaker Lakes Regional Nature Center Dba Nature Center At Shaker Lakes 501(c)(3) · Cleveland, OH	$2.5M
Glen Helen Association 501(c)(3) · Yellow Spgs, OH	$2.3M
United Plant Savers 501(c)(3) · Rutland, OH	$2.3M
Keep Cincinnati Beautiful Inc 501(c)(3) · Cincinnati, OH	$2.0M
Green Umbrella 501(c)(3) · Cincinnati, OH	$1.8M
NNopec Foundation Inc 501(c)(3) · Solon, OH	$1.5M
Mill Creek Alliance 501(c)(3) · Reading, OH	$1.4M
Winous Point Marsh Conservancy 501(c)(3) · Port Clinton, OH	$1.3M
CCold Creek Foundation 501(c)(3) · Castalia, OH	$1.2M
Gorman Heritage Farm Foundation 501(c)(3) · Cincinnati, OH	$1.2M
The Ohio Water Environment Association 501(c)(3) · Columbus, OH	$1.2M
Operator Training Committee Of Ohio Inc 501(c)(3) · Springfield, OH	$1.1M
HHenry County Land Reutilization Corporation 501(c)(3) · Napoleon, OH	$1.1M
Three Valley Conservation Trust 501(c)(3) · Oxford, OH	$1.1M
Black Environmental Leaders Association 501(c)(3) · Solon, OH	$1.1M
Greater Ohio Policy Center Inc 501(c)(3) · Columbus, OH	$1.1M
LLogan Theater Inc 501(c)(3) · Logan, OH	$954K
TToussaint River Watershed Conservancy 501(c)(3) · Westlake, OH	$932K
CColumbiana County Agricultural Society 501(c)(3) · Lisbon, OH	$900K
Athens Conservancy 501(c)(3) · Athens, OH	$879K
MMorris Institute 501(c)(3) · Caldwell, OH	$876K
Ohio State Parks Foundation 501(c)(3) · Columbus, OH	$875K
Friends Of Aullwood Inc 501(c)(3) · Dayton, OH	$849K
Keep Akron Beautiful 501(c)(3) · Akron, OH	$840K
Tecumseh Land Preservation Association 501(c)(3) · Yellow Spgs, OH	$816K
Civic Garden Center Of Greater Cincinnati 501(c)(3) · Cincinnati, OH	$810K
Beaver Creek Wetlands Association Inc 501(c)(3) · Alpha, OH	$798K
The Cylinder Collective 501(c)(3) · Worthington, OH	$731K
HHopfinger-Zimmerman Memorial Park 501(c)(3) · Port Clinton, OH	$701K
Ret 3 Job Corp Inc 501(c)(3) · Cleveland, OH	$687K
Hba Charitable And Education Foundation 501(c)(3) · Independence, OH	$662K
Friends Of Medina County Parks Inc 501(c)(3) · Medina, OH	$659K
Botanical Garden Association Inc 501(c)(3) · Alliance, OH	$633K
Cincinnati Recycling And Reuse Hub 501(c)(3) · Cincinnati, OH	$632K
Ohio Environmental Council Action Fund Inc 501(c)(4) · Columbus, OH	$629K
RRamser Arboretum 501(c)(3) · Mount Vernon, OH	$609K
Summit Metro Parks Foundation 501(c)(3) · Akron, OH	$604K
RReuse Centers 501(c)(3) · Cincinnati, OH	$596K
BBrukner Nature Center 501(c)(3) · Troy, OH	$590K
Citizens Utility Board Of Ohio 501(c)(3) · Lakewood, OH	$586K
Huron County Land Reutilization 501(c)(3) · Norwalk, OH	$581K
America In Bloom 501(c)(3) · Columbus, OH	$573K
Western Wildlife Corridor Inc 501(c)(3) · Cincinnati, OH	$552K
Partners For Clean Streams Inc 501(c)(3) · Perrysburg, OH	$540K
Ohio Chapter International Society Of Arboriculture 501(c)(3) · Frazeysburg, OH	$534K
Foundation For Geauga Parks 501(c)(3) · Chesterland, OH	$504K
Crown Point Ecology Center 501(c)(3) · Akron, OH	$472K
Woodland Arboretum Foundation 501(c)(3) · Dayton, OH	$454K
NNatural Areas Land Conservancy 501(c)(3) · Moreland Hls, OH	$451K
Terradise Nature Center 501(c)(3) · Cincinnati, OH	$447K
CClean Energy Ventures 501(c)(3) · Columbus, OH	$447K
Herb Society Of America Inc 501(c)(3) · Kirtland, OH	$444K
Columbus Recreation And Parks Foundation 501(c)(3) · Columbus, OH	$431K
OOhio Land Bank Association 501(c)(6) · Akron, OH	$427K
Ohio River Foundation 501(c)(3) · Blue Ash, OH	$426K
The Hillside Trust 501(c)(3) · Cincinnati, OH	$425K
Doan Brook Watershed Partnership 501(c)(3) · Cleveland, OH	$422K
River Rangers International Inc 501(c)(3) · Heath, OH	$420K
RRising Appalachia 501(c)(3) · Millfield, OH	$406K
City Fresh 501(c)(3) · Oberlin, OH	$395K
The Mitsui Ranch Preserve Inc 501(c)(3) · Cincinnati, OH	$379K
TToledo Botanical Garden Board Inc 501(c)(3) · Toledo, OH	$377K
Imago 501(c)(3) · Cincinnati, OH	$370K
KKendall Foundation Inc 501(c)(3) · Ashtabula, OH	$351K
CColumbiana Restoration And Beautification Committee 501(c)(3) · Columbiana, OH	$350K
LLake Erie Islands Nature And Wildlife Center 501(c)(3) · Put In Bay, OH	$350K
Lake Erie Foundation 501(c)(3) · Marblehead, OH	$331K
Owl Creek Conservancy 501(c)(3) · Mount Vernon, OH	$329K
Clean Fuels Ohio 501(c)(3) · Lakewood, OH	$321K
Miamisburg Community Foundation 501(c)(3) · Miamisburg, OH	$308K

Environment by metro area

Cities in Ohio