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

EDF and allies filed comments objecting to EPA's proposals to repeal the 2024 Mercury and Air Toxics Standards and power plant carbon pollution standards.

Dr. Sofia Esquivel is an environmental scientist currently focusing on alternative fuels and their climate, environmental and social impacts. Her research evaluates alternative fuel options and their ...

Why business engagement matters: We can power the future with clean energy, create safer household products and feed the world without warming the planet. But to get there, we need big solutions.

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

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

Methane is a potent climate pollutant. To help speed reductions, EDF scientists have conducted extensive research on methane and its impact on the climate.

We offer a range of paid internships to introduce students to environmental careers, but our summer internship program is the most popular. Close to 100 interns participate in a range of programming ...

Please use the form in this page to contact EDF's Human Resources team. We can typically reply to inquiries within 3-4 business days.

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 ...

Sens. Schumer (D-NY) and Wyden (D-OR) introduced legislation to reverse President Trump's tax hikes on clean energy.

(Washington, D.C. – July 31, 2025) A dozen health, environment and community groups filed a lawsuit today challenging the Trump administration’s delay of the 2024 methane standards for the oil and gas ...