Why EPA set federal drinking water limits for these health-harming contaminants

The more scientists learn about the health risks of PFAS, found in everything from nonstick cookware to carpets to ski wax, the more concerning these “forever chemicals” become. The U.S.…

50 years after the Bunker Hill mine fire caused one of the largest lead-poisoning cases in US history, Idaho’s Silver Valley is still at risk

On Sept. 3, 1973, a fire swept through the baghouse of the Bunker Hill mine in Idaho’s Silver Valley. The building was designed to filter pollutants produced by smelting, the…