Environmentalists worry that Toronto's drinking water could be threatened by the nearby treatment of toxic wastewater in New York State. Residents on both sides of the border worry about the potential ...

The Ohio Oil and Gas Land Management Commission has put over 12,000 acres of a remote wildlife area, called Egypt Valley, out ...

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 ...

The Westmoreland Sanitary Landfill is located in Rostraver Township, Pa. On a rainy morning, Mike Frederick showed off the Belle Vernon Municipal Authority’s sewage treatment plant, about 30 miles ...

The Environmental Protection Agency has weighed in on the fracking debate to say, for the first time, that the controversial practice may contribute to groundwater pollution. Fracking, or hydraulic ...

This is the final “Hot Air” in a series about “fracking”—a process used to extract natural gas from shale—and its potential impact on Connecticut. The first column gave a general introduction to ...

With Trump winning the election, many things about U.S. energy policy will change, and most likely fracking rates will increase. Fracking is a process that involves injecting high-pressure fluid, ...

Any industrial activity near water reserves could, in principle, cause contamination. Isotope hydrology offers a unique combination of methods to monitor water quality and trace the source of ...

Hydraulic fracturing has reshaped global energy markets by unlocking vast shale gas reserves, delivering economic gains while raising environmental and public health concerns. This balanced analysis ...

PITTSBURGH (AP) – Hydraulic fracturing for natural gas hasn’t contaminated drinking water wells in Arkansas, according to a new study, but researchers said the geology there may be more of a natural ...

This story was originally published by The Allegheny Front, a public radio program covering environmental issues in Western Pennsylvania. On a rainy morning, Mike Frederick showed off the Belle Vernon ...