What happened: Moderate and progressive Democrats both wrote letters to the California Air Resources Board ahead of a Monday ...

New research shows that trees are cutting urban temperatures from climate change in half worldwide. Trees play a bigger role ...

The Government Accountability Office says two facilities accounted for two-thirds of the needed work: the Savannah River and Hanford sites.

Democrat Gina Hinojosa is trying to use energy and affordability concerns in a bid to defeat Republican Gov. Greg Abbott in ...

Kentucky Gov. Andy Beshear is the latest governor to reduce gasoline taxes as the Iran war hamstrings global oil supply.

A plan to postpone the retirement of the Ray Nixon Power Plant comes as Colorado wrestles with its climate targets.

Heavy metals and chemicals were detected above background levels, according to initial soil sampling data released by the ...

Administration documents say the increase would help defend regulatory rollbacks, fight state climate action and secure the ...

The watchdog found that more than 80 percent of all EM facilities were either in "good" or "very good condition." About 7 percent were in "poor" or "very ...

"Disruption and upheaval" during the Trump administration led to fewer nominations — and fewer winners — of awards considered ...

President Donald Trump’s proclamation would jeopardize endangered whales, vulnerable corals and other delicate species and ...

The White House released a rare statement supporting Democratic legislation that would put off rules to protect North ...