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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 Lynn Woods

Working to insure the perpetual existence of the Lynn Woods Reservation.

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

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.


Community Resources for Greening Massachusetts.

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 Council

Planning. Protecting. Preserving.

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

People and land.

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.

Watershed Action Alliance of Southeastern Massachusetts

Watershed groups united to protect water and natural resources in southeastern Massachusetts.

Weir River Watershed Association

Committed to promoting awareness and stewardship of the Weir River Watershed.

Wellesley Conservation Council

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

A leader in the environmental grassroots movement in New England.

Westwood Land Trust

Preserving The Character 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 Foundation

Preserve. Promote. Educate.