Generation of electricity is the second largest source of carbon dioxide and other planet-warming gases in the United States.

A Kentucky farmer, he railed against agribusiness and championed small family farms and the environment, winning widespread acclaim.

The continent is experiencing some of its biggest fires and highest temperatures ever. Residents are fleeing, leaders are struggling to respond and “it will get worse,” one climate expert said.

The U.S. EPA's decision to repeal the Endangerment Finding will limit the government's ability to regulate emissions of carbon dioxide and other greenhouse gases under the Clean Air Act.

Global warming is crossing dangerous thresholds sooner than expected with the world’s coral reefs now in an almost irreversible die-off, marking what scientists on Monday described as the first “tipping point” in climate-driven ecosystem collapse.

Scientists are beginning to understand the sudden loss of sea ice in Antarctica – and there is growing evidence that it represents a permanent shift with potentially catastrophic consequences

Overuse of groundwater has created zones of “mega-drying” around the world — and caused more sea level rise than Greenland’s ice sheets.

The agency proposal would rescind the landmark “endangerment finding,” which says that greenhouse gases are a threat to public health.

Last year was the hottest year on record, the top 10 hottest years were all in the past decade and planet-heating carbon dioxide in the atmosphere is at its highest levels in the last 800,000 years, a...