The rule for mercury emissions from coal-fired power plants will be rolled back to a 2012 standard. Mercury is a neurotoxin.

How last year's fatal blast at the Clairton Coke Works has impacted the community there. A new study shows how many deaths ...

Residents living near U.S. Steel Clairton Coke Works are hoping for a departure from decades of disinvestment and persistent ...

Six months after two deaths at the massive Clairton Coke Works, U.S. Steel’s new owner inherits the plant’s safety challenges and pollution violations. Nippon’s plans haven’t yet been released.

High levels of toxic 'forever chemicals' in the airport’s stormwater are being discharged into tributaries of Montour Run, a ...

Is January too early to think about spring flowers blooming? According to a new scientific paper, we aren’t waiting as long for those first native wildflowers to bloom in Pennsylvania thanks to ...

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 ...

A new nature preserve opened this year in a wooded valley in Bloomingdale, Ohio, about an hour west of Pittsburgh. The Hellbender Preserve provides education not only about eastern hellbender ...

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 ...

This is part of a series tracking waste from the fracking industry. The process of fracking a well brings up gas or oil from deep underground. But it also brings dirt and rocks that could be ...

What’s the difference between trash and treasure? That’s a question Daryln Brewer Hoffstot grapples with in a recent essay published in the New York Times titled “What Things Left Behind Say About a ...