Data / Nonprofits / Rhode Island / Environment
Environment nonprofits in Rhode Island: 157 registered with the IRS
157 environment nonprofits are registered with the IRS in Rhode Island, 152 of them 501(c)(3) charities; the 59 that report revenue took in $40 million. The most are in Providence (22), Newport (9), Cranston (8). The largest by revenue: Save the Bay Inc ($4.9 million), Woonasquatucket River Watershed Council ($4.9 million), Audubon Society of Rhode Island ($4.6 million).
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Every organization, largest by revenue first
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Save the Bay Inc | Providence | 501(c)(3) | 1971 | $4.9 million | $19.9 million | 2025-06 |
| Woonasquatucket River Watershed Council | Providence | 501(c)(3) | 2001 | $4.9 million | $2.5 million | 2024-12 |
| Audubon Society of Rhode Island | Smithfield | 501(c)(3) | 1943 | $4.6 million | $39.6 million | 2024-12 |
| Conanicut Island Sailing Foundation | Jamestown | 501(c)(3) | 2001 | $3.1 million | $3.4 million | 2024-12 |
| Groundwork Rhode Island | Pawtucket | 501(c)(3) | 1983 | $2.5 million | $711,833 | 2025-06 |
| Aquidneck Land Trust | Middletown | 501(c)(3) | 1990 | $2.4 million | $26.1 million | 2025-09 |
| The Rhode Island Association of Conservation Districts | Johnston | 501(c)(3) | 2003 | $2.3 million | $487,201 | 2024-12 |
| South Kingstown Land Trust | S Kingstown | 501(c)(3) | 2001 | $1.2 million | $13.6 million | 2025-12 |
| Pocasset Pokanoket Land Trust Inc | Cranston | 501(c)(3) | 2017 | $1.1 million | $460,829 | 2025-12 |
| Bike Newport | Newport | 501(c)(3) | 2017 | $1.1 million | $586,229 | 2025-12 |
| Green Oceans | L Compton | 501(c)(3) | 2024 | $1 million | $197,711 | 2024-12 |
| Eastern Rhode Island Conservation District | Tiverton | 501(c)(3) | 2019 | $873,366 | $675,903 | 2025-06 |
| What Cheer Flower Farm | Providence | 501(c)(3) | 2018 | $870,008 | $2.5 million | 2024-12 |
| Watch Hill Conservancy | Westerly | 501(c)(3) | 1999 | $804,931 | $2.3 million | 2024-12 |
| Newport Tree Conservancy | Newport | 501(c)(3) | 2009 | $775,667 | $617,441 | 2025-12 |
| Ecori Inc | Providence | 501(c)(3) | 2009 | $501,001 | $426,828 | 2025-12 |
| Movement Education Outdoors | Providence | 501(c)(3) | 2024 | $475,564 | $274,558 | 2025-06 |
| Weekapaug Foundation for Conservation | Westerly | 501(c)(3) | 1994 | $471,871 | $20.3 million | 2024-12 |
| Raiz Foundation Inc | Providence | 501(c)(3) | 2019 | $465,937 | $24,169 | 2024-12 |
| Childhood Lead Action Project | Providence | 501(c)(3) | 1992 | $434,569 | $240,507 | 2025-09 |
| Nopes Island Conservation Association Inc | Westerly | 501(c)(3) | 1997 | $406,702 | $438,868 | 2026-06 |
| Tiverton Land Trust | Tiverton | 501(c)(3) | 1997 | $396,830 | $951,990 | 2025-12 |
| Aquidneck Community Table | Newport | 501(c)(3) | 2014 | $366,119 | $100,805 | 2024-12 |
| Beyond Our Shores Inc | Portsmouth | 501(c)(3) | 2018 | $364,164 | $297,890 | 2025-12 |
| Wood-Pawcatuck Watershed Assoc | Hope Valley | 501(c)(3) | 1984 | $350,045 | $1.2 million | 2025-12 |
| Block Island Conservancy Inc | Block Island | 501(c)(3) | 1973 | $305,573 | $14.6 million | 2025-06 |
| Solar Initiative of Rhode Island | Block Island | 501(c)(3) | 2024 | $280,354 | $256,579 | 2025-12 |
| Salt Ponds Coalition Inc | Charlestown | 501(c)(3) | 1994 | $203,207 | $300,098 | 2025-12 |
| Rhode Island Tree Council | Providence | 501(c)(3) | 1993 | $201,723 | $888,818 | 2025-06 |
| Thrive Outside | Bristol | 501(c)(3) | 2017 | $193,302 | $87,657 | 2025-06 |
| Burrillville Grassroots Coalition | Pascoag | 501(c)(3) | 2025 | $184,972 | $139,525 | 2025-12 |
| Friends of Belmont Chapel and Island Cemetery Co | Newport | 501(c)(3) | 2016 | $165,154 | $157,995 | 2024-12 |
| Friends of the Kinney Faella Gardens | Kingston | 501(c)(3) | 2022 | $144,084 | $13,384 | 2025-12 |
| Mabel Norman Cerio Trust Uw Fbo Norman Bird Sanctuary Fund | Middletown | 501(c)(3) | 2025 | $124,742 | $2 million | 2025-03 |
| Ocean Agency | Newport | 501(c)(3) | 2020 | $122,473 | $67,754 | 2025-12 |
| Charlestown Land Trust | Charlestown | 501(c)(3) | 1996 | $118,985 | $2.9 million | 2025-12 |
| Rhode Island School Recycling Project | Cranston | 501(c)(3) | 2023 | $110,238 | $66,522 | 2025-06 |
| Blackstone River Watershed Council Inc | Cumberland | 501(c)(3) | 2006 | $107,746 | $382,167 | 2025-12 |
| Rhode Island Resource Conservation and Development Area | Johnston | 501(c)(3) | 1994 | $86,409 | $88,764 | 2025-12 |
| Conanicut Island Land Trust Corporation | Jamestown | 501(c)(3) | 1985 | $86,228 | $2.6 million | 2024-12 |
| Tavern Hall Preservation Society Inc | Kingston | 501(c)(3) | 2004 | $84,122 | $578,823 | 2025-12 |
| Prudence Conservancy | Prudence Isl | 501(c)(3) | 1988 | $82,898 | $5.6 million | 2024-12 |
| Rhode Island Wild Plant Society Inc | N Kingstown | 501(c)(3) | 1987 | $81,657 | $227,932 | 2025-02 |
| Narrow River Preservation Association Inc | Narragansett | 501(c)(3) | 1971 | $81,374 | $367,912 | 2025-08 |
| Newport in Bloom | Newport | 501(c)(3) | 2021 | $77,694 | $157,014 | 2025-12 |
| The Committee for the Great Salt Pond | Block Island | 501(c)(3) | 1988 | $75,982 | $358,780 | 2025-12 |
| 15 Minute Field Trips | Johnston | 501(c)(3) | 2019 | $73,348 | $47,727 | 2025-07 |
| Blackstone Parks Conservancy | Providence | 501(c)(3) | 2000 | $72,763 | $97,698 | 2025-12 |
| Fort Wetherill Boat Owners & Operators Association Inc | Jamestown | 501(c)(4) | 2023 | $71,926 | $77,929 | 2025-12 |
| Rhode Island Saltwater Anglers Foundation Inc | Coventry | 501(c)(3) | 2004 | $68,477 | $186,479 | 2025-12 |
| Coalition Center for Environmental Sustainability | Jamestown | 501(c)(3) | 2019 | $60,804 | $7,735 | 2025-12 |
| Burrillville Land Trust | Burrillville | 501(c)(3) | 2005 | $48,194 | $725,147 | 2025-03 |
| Rhode Island Federation of Garden Clubs Inc | Barrington | 501(c)(3) | 1971 | $42,939 | $341,791 | 2026-03 |
| Johnsons Pond Civic Association Inc | Coventry | 501(c)(3) | 2016 | $35,430 | $92,160 | 2025-08 |
| Ri Farm Bureau Land Trust | W Greenwich | 501(c)(3) | 2007 | $14,720 | $660,086 | 2024-12 |
| Rhode Island Ports Coalition | N Kingstown | 501(c)(4) | 2025 | $14,682 | $139,038 | 2025-12 |
| Misquamicut Beach Foundation | Westerly | 501(c)(3) | 2022 | $12,308 | $16,524 | 2025-12 |
| Clean Ocean Access | Middletown | 501(c)(3) | 2014 | $7,619 | $99,555 | 2024-12 |
| Emergent Forest | Providence | 501(c)(3) | 2023 | $7,345 | $88,174 | 2025-06 |
| Artists for the Environment | Coventry | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Barrington Environmental Establishment | Barrington | 501(c)(3) | 2026 | |||
| Barrington Garden Club | Barrington | 501(c)(3) | 2022 | $0 | $0 | 2026-05 |
| Beavertail Open Water | S Kingstown | 501(c)(3) | 2026 | |||
| Belleville Ponds Complex Association | N Kingstown | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Blackline Foundation | Portsmouth | 501(c)(3) | 2025 | |||
| Block Island Gardeners | Block Island | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Bonnet Shores Land Trust | Narragansett | 501(c)(3) | 2024 | $0 | $0 | 2026-04 |
| Bridgham Farm Land Trust | Rumford | 501(c)(3) | 1998 | $0 | $0 | 2024-12 |
| Bristol Garden Club | Bristol | 501(c)(3) | 2024 | $0 | $0 | 2026-04 |
| Buckeye Brook Coalition | Warwick | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| CPG Foundation | E Greenwich | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Case Fund Inc | N Kingstown | 501(c)(3) | 2006 | $78,986 | 2024-12 | |
| Cindy-Wood Garden Club | E Greenwich | 501(c)(3) | 2022 | $0 | $0 | 2025-04 |
| Climate Action Rhode Island Education Fund | Cumberland | 501(c)(3) | 2020 | $0 | $0 | 2025-06 |
| Climate Resilience Fund | Newport | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Coastal America Foundation Inc | Exeter | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Coastodians Inc | Peace Dale | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Conserfest | Block Island | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Cozy Rhody Litter Clean-Up | Cranston | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Dont Mall Tiverton | Tiverton | 501(c)(4) | 2019 | $0 | $0 | 2025-12 |
| Edgewood Waterfront Preservation Association | Cranston | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Farm and Forest Education Center | E Greenwich | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Flower Power Inc | Barrington | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Friendly Fruits Community Gardens | Cranston | 501(c)(3) | 2024 | $1 | 2024-07 | |
| Friends of Black Point | Narragansett | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Friends of Green Hill Pond | Charlestown | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Friends of Historic Bristol Inc | Bristol | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Friends of India Point Park | Providence | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Friends of Toms Grove | Bristol | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Friends of the Hopkinton Land Trust | Hope Valley | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Friends of the Moshassuck | Providence | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Friends of the Saugatucket | Wakefield | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Friends of the Waterfront Inc | Newport | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Generous Crow | Providence | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Glen Rock Reservoir - Queen River C Onservation Association | West Kingston | 501(c)(3) | 2026 | |||
| Governor Francis Farms Garden Club | Warwick | 501(c)(3) | 1999 | $0 | $0 | 2026-05 |
| Greenfield Hill Conservancy Inc | Wakefield | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Greening the Sphere | Warren | 501(c)(3) | 2016 | $0 | $0 | 2025-06 |
| Hundred Acre Pond Association Inc | West Kingston | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Indian Lake Hydrilla Response Coalition | S Kingstown | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Innovation Driven Empowerment | Providence | 501(c)(3) | 2025 | |||
| Kingston Improvement Association Inc | Kingston | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Lake Mishnock Preservation Association Inc | Coventry | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Lake Wionkhiege Improvement Association | Smithfield | 501(c)(3) | 2025 | $0 | $0 | 2025-09 |
| Little Compton Garden Club | L Compton | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Living Faith Christian Church | Warwick | 501(c)(3) | 1993 | |||
| Living On the Edge | Providence | 501(c)(3) | 2011 | $0 | $0 | 2026-06 |
| Locustville Pond Improvement Association | Hope Valley | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Merlyn Education and Climate Protection Project | Jamestown | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Middle Dam Pond Conservation Association | Coventry | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Middletown Tree Association | Middletown | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Narragansett Surf Casters | Narragansett | 501(c)(4) | 2008 | $0 | $0 | 2025-10 |
| Narrow River Land Trust Inc | Saunderstown | 501(c)(3) | 1983 | $0 | $0 | 2025-12 |
| Neutaconkanut Hill Conservancy Inc | Johnston | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Newport Garden Club | Newport | 501(c)(3) | 1971 | $0 | $0 | 2026-06 |
| North Smithfield Land Trust Corporation | Slatersville | 501(c)(3) | 1993 | $0 | $0 | 2026-06 |
| Oak Reservoir Association | Johnston | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Oakland Beach Revival Society | Warwick | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Os Orchids Society | Warwick | 501(c)(3) | 2003 | $0 | $0 | 2026-06 |
| Perennial Planters Garden Club Inc | Providence | 501(c)(3) | 2014 | $0 | $0 | 2026-04 |
| Pokanoket Management Group | Barrington | 501(c)(3) | 2025 | |||
| Portsmouth Garden Club | Portsmouth | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Project Offset | Cumberland | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Protect Conanicut Coastline Inc | Jamestown | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Quononoquott Garden Club | Jamestown | 501(c)(7) | 2018 | $0 | $0 | 2025-12 |
| R I Coastal Access Watchdog Inc | S Kingstown | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rhode Island Dahlia Society Inc | Bristol | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Rhode Island Envirothon Inc | Johnston | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Rhode Island Forest Conservators Organization | N Scituate | 501(c)(3) | 1991 | $0 | $0 | 2025-12 |
| Rhode Island Nursery and Landscape Institute | West Kingston | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Roaring Brook Watershed Association | Greene | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Sacred Ground Inc | Providence | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Sand Dam Reservoir Association | Chepachet | 501(c)(3) | 2020 | $0 | $0 | 2025-06 |
| Save Bettencourt Farm Corporation | Warren | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Save Bristol Harbor Inc | Bristol | 501(c)(3) | 2005 | $0 | $0 | 2025-06 |
| Save Sand Pond | Warwick | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Save the Lakes | Chepachet | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Scenic Block Island | Block Island | 501(c)(3) | 1992 | $0 | $0 | 2025-12 |
| Shellfish Restoration Foundation of Narragansett Bay | Warren | 501(c)(3) | 2000 | $424,357 | 2025-12 | |
| Sogkonate Garden Club | L Compton | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| South County Garden Club of R I Inc | N Kingstown | 501(c)(3) | 1997 | $0 | $0 | 2025-06 |
| Stewards of the Glen | Portsmouth | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Taylor Point Restoration Association | Jamestown | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Terry S Heart Inc | West Warwick | 501(c)(3) | 2026 | |||
| The Community Compost Depot Inc | Providence | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| The Plum Beach Garden Club Inc | N Kingstown | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| The Rhode Island Bicycle Coalition | Providence | 501(c)(3) | 2004 | $0 | $0 | 2025-06 |
| Thornton Beagle Club | Foster | 501(c)(3) | 2026 | |||
| Toxics Information Project | Providence | 501(c)(3) | 2004 | $0 | $0 | 2023-12 |
| U S Green Building Council-Rhode Island Chapter | Providence | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Upper Dam Pond Conservation Association | Coventry | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Wantaknohow Garden Club | Coventry | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Watershed Ecological | Wakefield | 501(c)(3) | 2018 | $0 | $0 | 2025-06 |
| West Bay Land Trust | Cranston | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Western Cranston Garden Club | Cranston | 501(c)(3) | 2018 | $0 | $0 | 2025-06 |
| Womens Wilderness Weekend of Ri | Cranston | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Zero Waste Providence | Providence | 501(c)(3) | 2024 | $0 | $0 | 2025-01 |
Every nonprofit in Rhode Island
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.