Here are links to other organizations that you may find useful:

Sustainable South Shore

Massachusetts Climate Action Action Network

New England Sustainable Energy Association

Great Site for other info - Sustainable Milton

NStar

Wilderness Society

Union of Concerned Scientists

Massachusetts Recycling Coalition

New England Wind Forum

More facts on recycling

See How the city of Cambridge is going Green

Great site for anything that has to do with green gardening or yard care

Sea Change : Reversing the Tide