U.S. Private Foundations & Grantmakers –

67 Environment foundations, ranked by total assets (IRS Form 990-PF data, compiled by Grantoria). Each links to a full profile with financials and focus area.

Rivian Foundation $656.4M Greenacres Foundation $388.2M Christensen Fund $327.1M Kenneth Kirchman Foundation INC $169.4M Volgenau Foundation $166.2M Chantecaille Family Foundation $154.4M Butler Conservation Fund INC $111.6M Aline and Edgar Igleheart Foundation INC $88M Moore-odom Wildlife Foundation INC $84.3M Palladium Foundation $72.4M Alexander Foundation INC $66.7M Mds Famly Foundation INC $66M Larsen-lam Climate Change Foundation $61.7M Duke Farms Foundation $59.3M Wethersfield Foundation INC $44.6M William Brown Foundation $43.3M Swift Foundation $42.9M Anderson-rogers Foundation INC $40.2M Nature Conservation Tr $39.5M Wdh Foundation-c3 Tr $38.8M Mori Legacy Foundation INC $38.5M Edward E Hadddock JR Family Operating Foundation $38.3M Serengeti Foundation $35.3M Walking Softer $34.5M Nurture Nature Foundation $33.2M Dogwood Canyon Foundation $32.7M Badger Creek Corporation $27.2M Greenwood Ecological Reserve INC $26.6M Green South Foundation INC $25M Elliotsville Foundation INC $24.9M Nature Trust of the Santa Monica Mountains $23.7M Dangermond Park Foundation $23.4M Henry Uihlein II & Mildred a Uihlein $22.9M The Stringer Foundation $22.8M Lee a & Mary Jane Rieth Foundation for Environmental Education $21.2M Wells Family Charitable Foundation $21M Nells Foundation $20.6M Penobscot River Trails INC $20.6M Ghost Lake Corporation $18.9M Lovett Pinetum Charitable Foundation $18.9M Rancho Mission Viejo Land Conservancy $18.6M Sonoma Mountain Institute $17.7M Green Earth Liangs INC $17.5M Schmaier Family Foundation $17.2M Mccabe-walls Family Foundation $17.1M Robert and Patricia Switzer Foundation $17M Para La Naturaleza INC $15.8M Circle E W Ranch Conservancy Foundation $15.3M Bayard Cutting Arboretum Endowment Fund $14.6M Illinois No 3 Foundation $14.3M Suriname Conservation Foundation $14M Turner Farm Preservation Foundation INC $13.8M Visa Vel Foundation $13.7M The Carl Siemon Family Charitable Trust $13.6M Outrider Foundation INC $13.4M Realty Gift Fund $13.1M Gratiot Lake Conservancy $13.1M Gordon Rausser Foundation $12.5M Yakona Nature Preserve $12.5M Clean Water Here Foundation $12.2M Wright-locke Land Trust INC $12.1M Eversource Energy Land Trust INC $11.9M Foundation for a Sustainable Future $11.6M Hermitage Santa Barbara $10.6M Bent of the River Sanctuary Tr P13210003 $10.4M Paradise Palms Conservatory and Gardens INC $10.1M Cloudsledge Conservation Trust $10.1M

Showing 1–67 of 67, ranked by assets.

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