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Data / Nonprofits / Tennessee / Chattanooga / Environment

Environment nonprofits in Chattanooga, TN: 27 registered with the IRS

27 environment nonprofits are registered with the IRS in Chattanooga, TN, 27 of them 501(c)(3) charities; the 6 that report revenue took in $9.2 million. The largest by revenue: Tennessee River Gorge Trust Inc ($3.8 million), Reflection Riding Arboretum and Nature Center ($2.5 million), Greenspaces ($1.2 million).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Tennessee River Gorge Trust Inc501(c)(3)1986$3.8 million$26.6 million2024-12
Reflection Riding Arboretum and Nature Center501(c)(3)1978$2.5 million$7.7 million2024-12
Greenspaces501(c)(3)2011$1.2 million$319,2772024-12
Lookout Mountain Conservancy501(c)(3)1992$859,030$3.8 million2024-12
Waterways501(c)(3)2004$446,192$357,0032024-12
Chattanooga Audubon Society501(c)(3)1954$384,523$1 million2025-12
Annas Honey Heart501(c)(3)2026
Appalachian Center for the Environm Ent501(c)(3)2026
Appalachian Conservation Institute LLC501(c)(3)2024$6.2 million2025-12
Big Fork Historical Cemetery501(c)(3)2023$0$02025-12
Chattanooga Aquatic Project and Personal Development501(c)(3)2020$0$02024-12
Chattanooga Botanical Garden501(c)(3)2025
Chattanooga Food Forest Coalition501(c)(3)2026
Earthcare Inc501(c)(3)1997$0$02025-12
Febe Foundation501(c)(3)2025
Green Steps Inc501(c)(3)2021$0$02025-12
Luthe Land Legacy Corporation501(c)(3)2026
Mountain Creek Conservancy Inc501(c)(3)2019$0$02025-12
Mountain and Sea Foundation501(c)(3)2025$2,0292025-12
Partners of the Park Inc501(c)(3)2020$0$02024-12
Racing for Sustainability501(c)(3)2024$0$02025-12
Riverplace Nature Alliance501(c)(3)2024
Save Enterprise South Nature Park501(c)(3)2025$0$02025-12
Southeastern Climbers Coalition Land Trust Inc501(c)(3)2003$0$863,1082024-12
Tennessee Heartwood501(c)(3)2015$0$02025-04
Tennessee Interstate Conservancy Inc501(c)(3)2021$0$02025-12
Wild Earth Defenders501(c)(3)2022$0$02026-01

Other causes in Chattanooga, TN

Every nonprofit in Chattanooga, TN · Environment nonprofits across the state · Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.