Environmental Defense Fund

EDF protects the Earth’s resources using smart economics, practical partnerships and rigorous science. Our members help us tackle urgent problems.

We're one of the world's largest environmental organizations, with more than 2.5 million members and a staff of 700 scientists, economists, policy experts, and other professionals around the world.

We believe prosperity and environmental stewardship must go hand in hand. We're optimists, because we have seen smart ideas make a huge difference. And we build strong partnerships across interests to ensure lasting success.

We address today's most urgent environmental challenges. Working in partnership with others, we focus where we're best positioned to help, based on our strengths.