Concerns about how mountaintop removal coal mining has impacted the people of Appalachia are nearly as old as the practice itself. But some lingering health questions may finally have answers.
Typically, the Republican presidential candidate can count on lockstep support from the fossil fuel industry. But Donald Trump's unpredictability is leaving some oil and gas professionals wary.
A key reason why tribes from all over the country have joined the protest against the Dakota Access Pipeline: Many of them have waged similar fights on their own lands.
Allegheny County has more than 16,000 blighted properties. But citizens are discovering that vacant lots can be an opportunity to add green spaces to their neighborhoods.
We get a preview of Pittsburgh's inaugural Re:NEW Festival, an art and performance event that’s all about reusing materials and environmental sustainability.
Company officials say the natural gas pipeline that exploded in western Pennsylvania had corrosion issues dating back to 2012—leaving some asking whether the accident could have been prevented.
Shell's new petrochemical facility in western Pennsylvania could bring emissions of some air pollutants back to levels the region hasn't seen since the 1990s.
Pennsylvania homes and buildings have some of the highest radon levels in the country—and they’re trending upward. But you can find out if you have a problem in your home for under $20.