Skiers would typically use waxes with PFAS to lubricate their skis to go downhill faster.

Starting Thursday, the Environmental Protection Agency will no longer regulate pollutants from fossil fuels, such as methane and carbon dioxide, under the Clean Air Act.

A collapsed sewer line, about 8 miles from the White House, pumped 368 Olympic-sized swimming pools worth of wastewater into the Potomac. Repairs could take longer than previously expected.

Italy's Winter Olympics promised sustainability. But in Cortina, environmentalists warn the Games could scar these mountains for decades.

Chile is freezing its future to protect its plants.

We join a group of mudlarkers to see what's hiding by a creek in Philadelphia, as contributors ask what mudlarking, scavenging the banks of rivers or creeks for treasures, can uncover.

The announcement comes just days after NPR revealed the administration had secretly rewritten safety and environmental standards.

Strong winds can make it feel a lot colder than the thermometer suggests. Protect yourself by covering exposed skin and sheltering inside.

The wind chill in Easton, Pennsylvania, was below zero on Wednesday.

The winter storm left a record number of people in Nashville without power.