Since 1966, CLF has worked to protect New England's people, natural resources and communities. CLF has four program areas: Clean Energy & Climate Change, Clean Water & Healthy Forests, Healthy Oceans and Healthy Communities and Environmental Justice.

CLF works to promote renewable energy and fight air and water pollution; build healthy fishing communities and protect marine habitat; fight sprawl, promote public transit and defend public health. Conservation Law Foundation is a nonprofit, member-supported organization with offices in Maine, Massachusetts, New Hampshire, Rhode Island and Vermont.