Several World Cup host cities, including Los Angeles, Seattle, and Vancouver, face significant wildfire smoke risk.

A major climate polluter might get a break from the Environmental Protection Agency after its founder gave millions to President Trump’s campaign.

Albania's government has given preliminary approval to plans for the luxury resort along a stretch of coastline, prompting daily protests and legal challenges by environmental groups.

Western states like Arizona are considering new laws to regulate pumping from aquifers.

Nearly 60 years ago, a fight over a massive Everglades airport helped reshape U.S. environmental law. Reporter Meghan Bowman reports on that battle in the podcast Defenders of the Everglades.

Human bodies have a natural cooling system, but it can do only so much in high temperatures and humidity. Here's the science behind how heat kills. And how to protect yourself.

The federal government is sending water from the Flaming Gorge reservoir upstream to prop up Lake Powell. But it comes at a cost.

Record-breaking hailstones have been documented in recent years, with extreme stones reaching up to 6 to 7 inches in diameter falling in states like Texas and Colorado.

New research from scientists at the Centre for Ecological Research in Hungary finds that some birds living in cities are changing their songs to compete with traffic and other urban noise.

India plans to build a major port, airport and town on pristine, remote Great Nicobar Island. Supporters say it could boost trade and jobs, but critics worry about environmental damage.