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Now that we know what caused a massive heat-trapping methane cloud over a section of New Mexico and Colorado, we can do something about it.

Hope without action, says the Hollywood actor-director and climate activist, "isn't worth much." That's why he's on board with EDF.

Trying to wrap your head around what Brazil has done right – and not – when it comes to dealing with Amazon deforestation can leave you dizzy. But there are definite bright spots.

The business case for changing the chemicals in products is thin. But there's more to this story.

Many of the world’s fish are caught in small-scale fisheries that lack data about the health of fish populations, giving managers very limited information to base management decisions on. In turn, most of these fisheries appear to be under-performing with respect to conservation, the amount of food they can produce, the amount of money they …

Large food companies are pushing their supply chains to reduce fertilizer runoff. If scaled up, this model could prevent harmful algae blooms.

Extreme heat warnings were issued for a large swath of the central United States this week. Here are four things you may not know about the heat wave.

By calculating greenhouse gas reductions from advanced meters and other grid investments, utilities will know they're on the right track.

We need a significant shift in planning and design to create cost-effective, flexible solutions that can better serve our warming world.

Rather than jockey for partisan advantage, lawmakers found a way to work together the old-fashioned way to protect Americans from dangerous or untested chemicals.

The broad-based approach of the Paris Agreement has made the politics of climate change much more resilient than before.

I was not surprised when I looked out the airplane window and saw rows of wind turbines spinning against majestic, snow-covered mountains.

Activists and consumers helped spur the reforms President Obama signed into law today.

More wastewater from hydraulic fracturing and other oil and gas operations may soon be discharged above ground. New research will help shed light on how to better manage such practices.

My thoughts on why God and conservation go hand-in hand and – by extension – what role faith can play in science-based environmental work.

In a bi-partisan act of sanity, Congress just fixed the biggest problems with America's badly broken chemical safety system.

The failure at the natural gas storage facility exposed a critical weakness in the region's energy system that must be addressed.

The Clean Energy Commitment represents millions of Americans who want to remove barriers to clean, affordable energy.

Accelerating uptake of new technologies is only a one part. We also need good policy to solve our climate and energy challenges.

The monarch butterfly is on the brink of extinction, but it’s not too late to save it. Here's a look at how climate change affects the species.

This innovation is a win-win for dry and sunny states that need clean energy and ways to cope with severe droughts.

As Congress gets ready to pass a historic chemical safety bill, EDF Executive Director Diane Regas reflects on the birth of her first grandchild, and on raising three boys while trying to rid the United States of dangerous toxins.

Federally funded projects are subject to lengthy and sometimes frustrating environmental impact studies. Here are some unexpected ways to improve project designs and avoid delays.

The new EPA regulations point the way for a leaner, cleaner industry that can still play a meaningful role as we transition to a lower-carbon economy.

From one decade to the next, and from one courageous leader to another, we continue our work, day in and day out, to defend our environment.