U.S. Steel’s new owner gets poor marks in climate rating for steel industry ...

Dozens of new data centers have been proposed in Pennsylvania. Some residents and local governments in those communities are struggling to handle the boom with existing ordinances and little ...

The new owner of U.S. Steel fared poorly in a new scorecard measuring how companies in the sector are paring back their climate pollution. Nippon Steel ranked second from the bottom of 18 companies ...

A DEP study found that wastewater samples from landfills that take fracking waste were mostly below drinking water guidelines for radioactivity.

Pennsylvanians are already feeling the effects of climate change, like more extreme weather, and the trends are only going to continue. A new statewide effort is looking to create a network to help ...

Pittsburgh’s Public Source is an independent nonprofit newsroom serving the Pittsburgh region. Sign up for our free newsletters. The sale of United States Steel was always going to be a global affair.

Hannah Hohman and Koa Reitz stood on an old bridge on a sunny afternoon, looking down at the confluence of two streams. Hohman glanced back and forth between the iced ...

President Trump announced Thurday that his administration would rescind the legal underpinning of the nation’s climate rules. From the White House, the President called it the largest deregulatory ...

Meta says it has reached a deal to purchase power from the Beaver Valley nuclear plant in western Pennsylvania and two others in Ohio, as part of its efforts to power its artificial intelligence ...

How much toxic oil and gas waste is produced in Pennsylvania every year, and where does it end up? Despite state efforts to track it, there’s no way to know for sure. That’s one of the takeaways from ...

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 ...