California’s clean car protections have saved hundreds of lives, have provided enormous health benefits, and have saved families money.

Yesterday, President Trump issued an executive order that threatens the sustainability of American fisheries and fishing ...

Copyright © 2025 Environmental Defense Fund. All Rights Reserved. Privacy statement. Terms of Use. Environmental Defense Fund is a nonprofit, tax-exempt charitable ...

The problem: Methane pollution released this year will warm the planet more in the next decade than carbon dioxide emitted from burning fossil fuels. While cutting methane is the single fastest way to ...

Why advocacy matters: The longest-lasting environmental solutions have the broadest support. That means the biggest environmental problems require that we all work together. How we use this powerful ...

Guided by science and economics, and committed to climate justice, we work in the places, on the projects and with the people that can make the biggest difference.

Vickie serves as Environmental Defense Fund’s General Counsel and leads its U.S. Legal and Regulatory Program. For over thirty years, she has worked with partners to secure landmark national and state ...

Why economics matters: Too often, economic forces drive decisions that harm the planet. We need to turn that around. By creating the right economic incentives, we can make market forces work for — ...

The problem: Globally, agriculture contributes one-quarter of the pollution warming the climate. At the same time, climate impacts like droughts and heat waves are already threatening the livelihoods ...

Stay informed and get inspired with our in-depth stories about the people and ideas making a difference, insight from our experts and the latest progress in the climate flight. Go deeper with our ...

The problem: In many places, just breathing can make you sick — and climate change most severely affects the people least responsible for the pollution causing it. Harmful chemicals in our air, water ...

Fortune magazine called our board one of the most influential nonprofit boards in the country.