The Cumberland Valley is blessed with a unique karst limestone geology that creates crystal clear springs, which feed highly ...

On Tuesday at 4:47 p.m. an air quality alert was reported by the National Weather Service in effect until Thursday at ...

An updated air quality alert was reported by the National Weather Service on Tuesday at 4:52 p.m. in effect until Thursday at ...

Under a Code Orange alert, it's recommended that children, older adults and those with respiratory illnesses limit time spent ...

You may notice a slight haze in the sky on Wednesday across the D.C. area as smoke from Canadian wildfires brushes the region's edge.

Parts of Pennsylvania will be dealing with wildfire smoke and the subsequent air quality impacts Monday, prompting a Code Orange alert. The Pennsylvania Department of Environmental Protection (DEP) ...

State Sen. Wayne Langerholc Jr., R-Richland Township, plans to introduce legislation that would eliminate all vehicle emissions testing in Pennsylvania. He is currently looking for co-sponsors.

EPA Administrator Lee Zeldin announced that the agency would rescind the “endangerment finding,” saying climate change ...

Over the past few months, the state’s Department of Conservation and Natural Resources has issued a series of alerts about high levels of bacteria in waters in state parks across ...

The E.P.A. said this week it would revoke its own ability to fight climate change. It’s the latest move in an extraordinary ...