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The Walden Woods Project was founded in 1990 to protect land of ecological and historic significance surrounding Walden Pond. At that time nearly half of the Walden Woods' 2,680 acres remained unprotected from development. Two large tracts of land (a total of 43 acres) were under immediate threat as developers sought to construct an office park and a large condominium complex in close proximity to Walden Pond. In January 1991, the Walden Woods Project raised enough money to buy the 25-acre Bear Garden Hill site. A few years later, the Project acquired a second parcel, known as Brister?s Hill. In 1998, the Walden Woods Project opened The Thoreau Institute at Walden Woods containing over 8,000 volumes and 60,000 items of Thoreau-related materials and launched its two trademark teacher education programs, Approaching Walden and Finding Walden.

ShoreRivers protects and restores Eastern Shore waterways through science-based advocacy, restoration, and education. We work collaboratively with our community yet maintain an uncompromising and independent voice for clean rivers and the living resources they support.

Communities Working in Partnership to Conserve and Protect the Lower Appomattox River.

TO PROTECT AND CONSERVE THE FORESTS OF MAINE

Merck Forest & Farmland Center is on a mission to inspire curiosity, love and responsibility for natural and working lands.

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The New England Grassroots Environment Fund (Grassroots Fund) seeks to energize and nurture long term civic engagement in local initiatives that create and maintain healthy, just, safe and environmentally sustainable communities. The Fund uses stories, tools and dollars to fuel local activism and social change.

Massachusetts Horticultural Society (Mass Hort) is dedicated to encouraging the science and practice of horticulture and to developing the public's enjoyment, appreciation, and understanding of plants and the environment.

The Vineyard Conservation Society is a non-profitmembership organization dedicated to preserving the environment, character, andquality of life of Martha’s Vineyard through advocacy, education, and theprotection of the Island’s land and waters.

The Massachusetts Bicycle Coalition (MassBike) promotes a bicycle-friendly environment and encourages bicycling for fun, fitness and transportation.

Founded over 100 years ago, ELM is a member-based, non-profit organization. ELM is dedicated to protecting the health of our environment and citizenry by safeguarding the land, water and air of our Commonwealth. ELM is focused on environmental advocacy and strengthening the voice and effectiveness of the environmental community. ELM advocates for strong environmental laws and regulations on the broad range of environmental issues, voices the concerns of citizens, ensures that laws are properly implemented and enforced and educates the public.

The mission of New England Wildlife Center is to give animals and people a place to thrive.