A rendering of Methane SAT flying over the Earth — This small satellite’s a big deal for the climate
Cutting methane is the single fastest way to slow the rate of global warming, but current efforts fall far short of the drastic reductions we need. Enter MethaneSAT.

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Bill Nye holding a wrench in one hand and a plunger in the other — Bill Nye answers a big climate question
What's the fastest way to slow global warming? We can do it right now and see climate benefits right away.

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Wind turbines create clean energy against a vibrant blue sky and green landscape — You can bring great ideas to life
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We are Environmental Defense Fund

We are a global nonprofit organization tackling climate change — the greatest challenge of our time. Our bold, game-changing solutions put people at the center of all we do.

Our goals:

Together, we’re creating a vital Earth. For everyone.

3M
Members, supporters and activists
1K
Scientists, economists, policy experts, lawyers and more
50+
Years of driving real, meaningful change
30+
Countries around the world where we work

Issues we address

We’re tackling the biggest issues and striving for maximum impact to ensure a clean energy transition, healthy communities and the ability of people and nature to thrive.

Energy transition

Advancing toward a clean energy future
Natural solutions

Boosting nature’s ability to capture and store carbon
Sustainable fishing

Making fishing communities stronger and fish more plentiful
Hydrogen

Helping the world get hydrogen energy right
Clean Air

Helping a billion people breathe cleaner air in this decade
Methane

Slashing methane to slow global warming right now
Agriculture

Transforming agriculture to benefit billions of people globally
Safer chemicals

Moving from toxic chemicals to safer, sustainable alternatives

How we get results that last

We bring together people from all sides and draw from deep expertise to tackle environmental issues from every angle.

Scientific evidence

Applying evidence to identify the most effective solutions
Economic sustainability

Using economic forces to protect our environment
Powerful partnerships

Creating alliances across a wide range of allies
Climate justice

Building a more equitable home on this planet we share
Strong advocacy

Shaping public policy and taking legal action
Commitment to diversity

Making transformative change for diversity, equity and inclusion