A U.S. Environmental Protection Agency measure that relies on mayflies to determine water quality in headwater streams in Central Appalachia's coalfields should be re-evaluated based on the results of a new industry study, the National Mining Association said Friday. Full story
U.S. Rep. Nick Rahall says he's asking the Obama administration to reconsider tighter water quality standards adopted last year to curb Appalachian surface coal mining. Full story
Brazilian researchers have found an unexpected helper in the struggle against contaminated drinking water: Bananas. Full story
Philadelphia, Bakersfield and Fresno, California, are the most toxic cities in America, according to a new study that looked at air and water quality in metropolitan areas. Full story
Flu season is in full swing, so it's more important than ever to protect yourself against illness. Full story
China's largest reported oil spill emptied beaches along the Yellow Sea as its size doubled Wednesday. Full story
