Environmental groups say state has a duty to do a comprehensive review of the entire Homer City project, including water use ...

The new charging stations are at the Blue Mountain Service Plaza in Cumberland County and the New Stanton plaza in ...

Alternative ingredients and 3D printing could help concrete absorb more of its carbon emissions over time by making it more porous.

For almost seven years, Bugsy Sailor has been on a mission to watch every sunrise. But now, he wonders if the inspiration that started this project will also be the thing that ends it.

This story comes from our partners at WHYY. Road salt used last winter, and possibly decades ago, is still contaminating waterways. In many cases, the levels exceed federal standards for maintaining ...

This is part of a series tracking waste from the fracking industry. Off a back road in the hilly country south of Pittsburgh, a tributary to the Monongahela River runs through overgrown vegetation and ...

This is part of a series tracking waste from the fracking industry. When John Quigley became the secretary of the Pennsylvania Department of Environmental Protection in 2015, he knew that he would be ...

The Trump administration has proposed big changes to federal protections for threatened and endangered species, habitat, and waterways. The administration says they are needed to keep up with recent ...

The process of fracking a well brings up gas or oil from deep underground. But it also brings dirt and rocks that could be contaminated with radioactivity and other chemicals. An Allegheny Front ...

The Trump administration has reversed course again on a new air pollution rule for coke ovens. The White House is granting two-year waivers to coke oven plants for the rule issued under the Biden ...

On a rainy morning, Mike Frederick showed off the Belle Vernon Municipal Authority’s sewage treatment plant, about 30 miles south of Pittsburgh. “This distribution box is where all the sewage comes in ...