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Data / Nonprofits / Pennsylvania / Harrisburg / Environment

Environment nonprofits in Harrisburg, PA: 18 registered with the IRS

18 environment nonprofits are registered with the IRS in Harrisburg, PA, 17 of them 501(c)(3) charities; the 11 that report revenue took in $10.9 million. The largest by revenue: Citizens for Pennsylvanias Future ($3.2 million), Sustainable Electronics Recycling International ($3 million), Weconservepa ($1.6 million).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Citizens for Pennsylvanias Future501(c)(3)1998$3.2 million$3.9 million2025-06
Sustainable Electronics Recycling International501(c)(3)2014$3 million$4.8 million2024-12
Weconservepa501(c)(3)1996$1.6 million$3.1 million2025-12
Americans for Climate Inc501(c)(4)2026$1.2 million$50,0002022-12
Pennsylvania Water Environment Association501(c)(3)1972$517,767$901,2312024-12
Professional Recyclers of Pennsylvania501(c)(3)1992$506,566$320,9142024-12
Capital Area Greenbelt Association501(c)(3)1993$258,747$301,4352024-12
10000 Friends of Pennsylvania501(c)(3)1999$236,425$150,3332022-12
Friends of Wildwood Lake Nature Center Inc501(c)(3)1992$197,189$933,9012024-12
Pennsylvania Mapping and Geographic Informtion Consortium Pamagic501(c)(3)2014$106,201$113,3362026-04
Pennsylvania Urban and Community Forestry Council501(c)(3)1996$69,154$545,6812024-09
Garden Club Federation of Pennsylvania501(c)(3)2024
Historic City Gardens501(c)(3)2011$0$02025-12
Paxton Creek Watershed & Education Association501(c)(3)2002$0$02025-12
Pennsylvania Audubon Council501(c)(3)2022$0$02025-06
Pennsylvania Landscape and Nursery Assoication Foundation501(c)(3)1991$1.4 million2025-06
Susquehanna Appalachian Trail Club Inc501(c)(3)2008$0$02026-03
Susquehanna River Trail Association Inc501(c)(3)2014$0$02025-12

Other causes in Harrisburg, PA

Every nonprofit in Harrisburg, PA · 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.