Massachusetts Environmental Organizations

Acton Conservation Trust

Devoted to the preservation of open space in Acton

Alford Land Trust

Protecting significant natural, agricultural and scenic resources

Alternatives for Community and Environment

Building power for environmental justice


Sustainable transportation and energy for the 21st Century

Andover Village Improvement Society

Preserving open spaces, woodlands, and wetlands in Andover

Appalachian Mountain Club

Promoting protection, enjoyment and wise use of the Northeast Outdoors

Ashburnham Conservation Trust

Protecting the Natural Heritage of Ashburnham

Attleboro Land Trust

Helping to Protect Our Own Backyard

Bagshare Project

Over 10,000 bags have been sewn and donated by volunteers

Barnstable Land Trust

Protecting Land, Connecting People

Bay Circuit

A permanent recreation trail and greenway corridor extending through 34 towns in Eastern Massachusetts and linking the parks and open spaces surrounding metropolitan Boston

Becket Land Trust

Concerned about protecting the Town of Becket's rural character, natural resources and ecologically sensitive areas

Berkshire Environmental Action Team

Protecting the environment for wildlife

Berkshire Natural Resources Council

Land conservation since 1967

Bolton Conservation Trust

Community, Conservation, and Education

Boxborough Conservation Trust

Preserving and Protecting Boxborough’s Undeveloped Land

Boxford Open Lands Trust

Dedicated to preserving and protecting natural and aesthetically important land and wildlife habitat, in Boxford

Brewster Conservation Trust

Preserve and Protect

Buzzards Bay Coalition

Dedicated to the restoration, protection and sustainable use and enjoyment of our irreplaceable Bay and its watershed

Carlisle Conservation Foundation

preserving the natural beauties and the rural character of Carlisle

Center for EcoTechnology

We make green make sense

Charles River Conservancy

Working to make the Charles River Parklands more active, attractive, and accessible for all

Charles River Watershed Association

Protecting the health, beauty, and accessibility of the Charles River

Cohasset Conservation Trust

Land Preservation & Conservation Since 1967

Concord Land Conservation Trust

Devoted to the preservation and conservation of open land in the Town of Concord

Dartmouth Natural Resources Trust

To preserve and protect Dartmouth’s natural resources for people and nature, forever

Deerfield River Watershed Association

Works to preserve, protect, and enhance the natural resources of the Deerfield River watershed in south-eastern Vermont and north-western Massachusetts

Dennis Conservation Land Trust

Preserving open space within the Town of Dennis, Massachusetts

Dunstable Rural Land Trust

Preserving, conserving, and educating people about the beautiful rural landscape that is Dunstable, Massachusetts

East Quabbin Land Trust

Conserving the land, preserving our heritage

Egremont Land Trust

Preserving and maintaining the rural New England character of Egremont and the surrounding area

Environmental League of Massachusetts

Dedicated to protecting the health of our environment and citizenry by safeguarding the land, water and air of our Commonwealth

Essex County Trail Association

Protects access to the trails and open lands throughout Hamilton, Wenham, Ipswich, Topsfield, Essex and West Newbury

Farmington River Coordinating Committee

Promoting the long-term protection and enjoyment of the upper Farmington Wild & Scenic River

Franklin Land Trust

Works with landowners and communities to protect their farms, forests, and other natural resources significant to the environmental quality, economy and rural character of our region

Friends of Lake Quannapowitt

Promoting public awareness and providing long-term protection and enhancement of Lake Quannapowitt and its surrounding public lands

Friends of the Blue Hills

Protect. Preserve. Participate

Friends of the Cape Cod National Seashore

The not-for-profit fundraising partner of the Cape Cod National Seashore

Friends of the Middlesex Fells Reservation

Dedicated to the protection and harmonious use of the Fells

Friends of the Mt Holyoke Range

Dedicated to the preservation of the Mount Holyoke Range through land conservation, natural history education, recreational activities and cultural events

Grafton Land Trust

Permanently preserving open space and natural ecosystems in Grafton

Great Barrington Land Conservancy

Promoting land conservation, farm preservation and community trails since 1992

Greater Worcester Land Trust

Preserving and protecting critical open space in the Greater Worcester area


Conserving the farmland, wildlife habitat and scenic landscapes of Essex County

Green Berkshires

Protecting mountains and ridgelines of the Berkshires

Groton Conservation Trust

Committed to Preserving the Open Spaces in the Town of Groton, Massachusetts

Harvard Conservation Trust

Preserving the unique character and natural resources of Harvard

Hilltown Land Trust

Serves thirteen rural towns in western Massachusetts

Hingham Land Trust

Works to acquire, preserve and maintain exceptional landscapes in Hingham

Hoosic River Watershed Association

Devoted to the Restoration, Conservation, and Enjoyment of the Hoosic

Hopkinton Area Land Trust

Maintain a network of land and properties that allow the outdoors to be enjoyed by all for generations

Housatonic Valley Association

Protecting your backyard

Ipswich River Watershed Association

The Voice of the River

Kestrel Land Trust

Conserve the valley you love

Land Preservation Society of Norton

Dedicated to keeping a variety of types of land wild for the conservation of plant and animal species

Lenox Land Trust

To preserve and maintain the rural New England character of Lenox

Lincoln Land Conservation Trust

Protecting the rural character of Lincoln, Massachusetts through land conservation, stewardship and education

Littleton Conservation Trust

Preserving the rural character of Littleton for current and future generations

Lloyd Center for the Environment

Protecting nature through research and education

Lowell Parks & Conservation Trust

Creating Community Through Conservation

Manchester-Essex Conservation Trust

Preserving natural beauty, wildlife, and resources at the gateway to Cape Ann

Marblehead Conservancy

Dedicated to Preserving Marblehead's Open Spaces


Protecting the nature of Massachusetts

Massachusetts Climate Action Network

Climate protection from the grassroots up

Massachusetts Conservation Voters

A statewide, non-partisan organization dedicated to supporting Massachusetts State Parks

Massachusetts Land Trust Coalition

A voluntary association of land trusts

Massachusetts Outdoor Heritage Foundation

Financial support for projects under the state Division of Fisheries and Wildlife that protect endangered species and manage freshwater fish. mammals, birds and their habitats

Massachusetts Rivers Alliance

Protecting and restoring rivers across the Commonwealth

Massachusetts Watershed Coalition

Building a network of watershed partners

Mattapoisett Land Trust

Protecting our land. Preserving our legacy

Merrimack River Watershed Council

The Voice of the Merrimack

Metacomet Land Trust

Dedicated to the protection of open space and natural resources in South Central Massachusetts

Mill River Greenway

The river runs through us

Millers River Watershed Council

Promoting stewardship and recreation in the Millers River watershed

Mount Grace Land Conservation Trust

Protecting more than 26,000 acres

Nantucket Conservation Foundation

Preserving the Island for everyone

Nantucket Land & Water Council

Nantucket’s Environmental Advocate. We Pay Attention. We Raise Awareness. We Take Action.

Nashoba Conservation Trust

Protecting valuable open space in Pepperell

Nashua River Watershed Association

Protecting our water, our land, our communities

Natural Resources Trust of Easton

Bringing Nature to Your World

Nature Conservancy of Massachusetts

Working to protect the Bay State

Neponset River Watershed Association

Protecting and restoring the Neponset River, its tributaries and surrounding watershed lands

New Economy Coalition

Building a New Economy that prioritizes the well-being of people and the planet

Newton Conservators

Advocates for the protection of Newton's open space for wildlife and for the community

Nichols-Smith Conservation Land Trust

Help conserve the natural resources and open spaces of the region

North and South Rivers Watershed Association

Preserve, restore, maintain and conserve in their natural state, the waters and related natural resources within the watershed

North County Land Trust

A regional land conservation organization working in the diverse communities of North Central Massachusetts


For the Assabet, Sudbury, and Concord Rivers

Ocean River Institute

Providing opportunities to make a difference and go the distance for savvy stewardship of a greener and bluer planet Earth

Opacum Land Trust

Protecting natural and cultural resources in South Central Massachusetts

Orenda Wildlife Land Trust

Working to preserve and protect open space for wildlife habitat on Cape Cod and throughout Massachusetts

Orleans Conservation Trust

Saving and protecting open space in the town of Orleans

Pascommuck Conservation Trust

Preserving our past. Protecting our future

Rehoboth Land Trust

Preserving open space for farming, resource protection, and recreation

Richmond Land Trust

Preserving important lands in the Town of Richmond

Safer Waters in Massachusetts

Safer Waters In Massachusetts

Salem Sound Coastwatch

Protect and improve the environmental quality of Salem Sound and its watershed

Sandwich Conservation Trust

Preserving natural or undeveloped land in the Town of Sandwich, for habitat protection, recreation, and visual beauty

Saugus River Watershed Council

Protecting and restoring the natural resources of the Saugus River watershed

Save the Harbor/Save the Bay

Restore and protect Boston Harbor, Massachusetts Bay, and the marine environment

Save Our Sound

Alliance to protect Nantucket Sound

Seekonk Land Conservation Trust

Preserving the distinctive landscapes and natural resources in the Town of Seekonk

Sheffield Land Trust

Dedicated to protecting the land essential to Sheffield's natural, scenic, agricultural and rural character.

Sheffield Tree Project

He who plants a tree plants hope

Sheriff's Meadow Foundation

A Martha's Vineyard Land Trust

Sierra Club - Massachusetts Chapter

Protecting the environment with successful legislative, advocacy, and educational campaigns

Sippican Lands Trust

Protecting wildlife, ecosystems, and natural resources

Stow Conservation Trust

Preservation of Stow's open land and natural and scenic resources

Sudbury Valley Trustees

Conservation, Collaboration and Community

Taunton River Watershed Alliance

A voice for the river

Three Hundred Committee Land Trust

Preserving Natural Places for Falmouth


Preserving, for public use and enjoyment, properties of exceptional scenic, historic, and ecological value in Massachusetts

Upper Charles Conservation Land Trust

Promoting the purposes of land conservation for the benefit of the general public, historic preservation, and the protection of natural resources

Valley Community Land Trust

A non-profit organization in Franklin County Massachusetts that holds title to land, considering it neither as private nor public property, but as a sacred resource to be held in trust for present and future generations

Wachusett Greenways

Connecting the Wachusett community with trails and greenways

Waltham Land Trust

Creating a legacy of land conservation in Waltham

Weir River Watershed Association

Committed to promoting awareness and stewardship of the Weir River Watershed

Wellesley Conservation Land Trust

Protecting and preserving Wellesley's environment, its fields, forests, streams and wetlands

Wellfleet Conservation Trust

Conserving land in perpetuity for enjoyment by current and future generations

Westborough Community Land Trust

Safeguarding land to meet the environmental, recreational, agricultural, and scenic needs of the Town of Westborough and to preserve open space and the character of the land

Westfield River Watershed Association

Protecting and improving the natural resources of the Watershed, as well as to expand recreational and other land use opportunities for people's enjoyment and for sound ecology

Westford Conservation Trust

Preserving land and other natural resources

Westport Land Conservation Trust

Conserving beautiful and vulnerable landscapes

Westport River Watershed Alliance

Working together to protect and preserve the Westport River Watershed now and for future generations

Westwood Land Trust

Promoting the protection and stewardship of open space and natural resources in the Town of Westwood

White Oak Land Conservation Society

Preserving land as open space in Holden and the region surrounding Holden

Wildlands Trust of Southeastern Massachusetts

Preserving the natural heritage of southeastern Massachusetts

Williamstown Rural Lands

Forests, fields, and farms - for you, forever

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