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A firsthand account from EDF's Colorado River project director.

EDF is working with world's largest retailer to get healthier products on the shelves and to make operations completely sustainable.

EDF, working with academics and the natural gas industry, is measuring how much methane leaks from the natural gas supply chain.

Better regulation, and greater transparency, is needed to help the ethanol market function more smoothly.

A chance for the Senate to pass two bills that would save the nation money and cut its carbon emissions.

In criticizing environmental groups, Klein goes for outrage over accuracy.

New scientific tools are helping determine the economic value of ecosystems.

Are these truly good reasons to have no limits at all on carbon pollution from power plants?

Scientists who are also evangelical Christians have come out in support of action on climate change.

Unless we begin to act now, climate change will have devastating consequences for human health.

How I learned to leave my yard -- or at least part of it -- alone.

Our energy finance expert goes all in for a new Tesla.

While the National Oceanic and Atmospheric Administration (NOAA) releases its latest annual findings on climate change, many politicians in Texas pretend that it doesn't exist.

Home energy management systems that exist today will form a critical piece of the electric grid of the future.

A new report suggests farmers may be falling behind in the race to meet food demand from a growing world population.

A new paper highlights the unprecedented velocity of manmade climate change, and what it means for ecosystems.

More cross-ideological cooperation will help solve our climate problems.

Property Assessed Clean Energy projects help property owners reduce their carbon footprint, save money, and advance the clean energy future.

The deep ocean still contains unknown worlds and unseen life forms.

We don’t have to give up the things we love. We just need to recognize — and pay for — their full costs.

New research connects air pollution to increased rates of autism and diabetes.

In the Amazon, indigenous people are at the front line in the fight against climate change.

How much should society pay, right now, to help future generations avoid the worst consequences of climate change?

Four former EPA administrators made a compelling case.

First impressions from a rider using New York City's new bike-share system.