A flood watch has been issued for several western Pennsylvania counties. The National Weather Service said a flood warning is ...

How do government and nonprofit agencies assess water quality? How do they know what effects a storm or agricultural practice ...

From the parade route along Pennsylvania Avenue to block party closures in the Dupont and Logan Circle neighborhoods, the disruptions will stretch across Northwest DC and downtown.

Residents are concerned a decades-old landfill slated to reopen will accept oil and gas waste and further pollute nearby waterways.

Grove City residents are concerned that the landfill will accept oil and gas waste and further pollute nearby waterways.

A tornado watch is in effect for the entire Philly region until 11:59 p.m. Friday as part of what could be quite an active ...

A natural gas company has surrendered its permits to pump water from a western Pennsylvania creek in a move welcomed by ...

If you're disgusted by cicadas, here's another item for your list. They pee. A lot. And better than some mammals. Here's what ...

The Pa. DCNR has planned a rare spraying for fall cankerworms as well as for spongy moths across Pennsylvania. Here's why and ...

The Pennsylvania Department of Environmental Protection has approved the expansion of an underground coal mine in Westmoreland County. Johnstown-based LCT Energy LP operates the 2,800-acre Rustic ...

HARRISBURG, Pa. - A drought watch ... and Wyoming. The DEP said it uses four indicators to determine drought conditions: precipitation, surface water (stream and river) flow, groundwater level ...