PITTSBURGH (AP) — The final report from a landmark federal study on hydraulic fracturing, or fracking, found no evidence that chemicals or brine water from the gas drilling process moved upward to ...

Colleen O’Neil, of the Mountain Watershed Association, fixes a crooked sign posted near a landfill's discharge pipe that flows into Sewickley Creek in Yukon, Pa. This article originally appeared on ...

ODESSA, Texas — For retired pastor Columbus Cooper, life can be divided into two periods: the time when he could still drink water out of his tap, and the time after. When Cooper and his wife bought ...