Environmental Defense Fund and Union of Concerned Scientists filed a motion for a preliminary injunction in Federal District Court.

The guidance places significant new obstacles on solar and wind projects that are helping meet America’s growing energy needs.

Statement by Kevin Moran, AVP, Regional Affairs, Environmental Defense Fund ...

Methane is the main ingredient in natural gas, and fossil fuel production is a major source of global methane emissions along with agriculture and waste management. For many years, methane was ...

EDF was founded by scientists over 50 years ago. Whether mapping climate pollution from space or cutting air pollution, science drives all we do.

We conduct research and develop economically sustainable solutions to help communities, investors and entrepreneurs from environmental damage.

Environmental Defense Fund is dedicated to uncovering and addressing the issue of orphan and abandoned wells in Pennsylvania. Our mission is to find and remediate these hidden hazards that threaten ...

We’ve been fighting for strong environmental and public health protections in courts across the U.S. since 1967. Today, EDF remains a powerful force in the defense of the country’s bedrock ...

The problem: Air pollution is a global public health crisis and the fourth leading cause of death globally. Nine out of 10 people around the world breathe unhealthy air, and burning fossil fuels is ...

Meet Environmental Defense Fund's board of trustees, hailed by Fortune magazine as one of the most influential nonprofit boards in the country.

Rosalie is a member of the Legal and Regulatory team in EDF’s Climate and Energy program. She advocates for strong climate and clean air protections, with an emphasis on reducing harmful emissions ...

Fred Krupp is a leading voice on climate change and a champion for harnessing the power of the marketplace to protect our environment.