When the Army Corps of Engineers removed a dam on the Monongahela River a couple of years ago, the water level dropped more than some businesses expected. Researchers are working on buoys that combat ...

Environmental groups are criticizing Nippon Steel’s recent investments in its Pittsburgh-area U.S. Steel mills for continuing the company’s reliance on coal to produce steel. As a result, they say, ...

They say upgrades don’t incorporate newer technologies but instead are "stopgap things to make U.S. Steel profitable in the short term." ...

“Sustainability has always been a central tenet of the restaurant,” said Kate Lasky, co-owner of Apteka. “But in a way where we really try to take every decision we make seriously and ask, ‘What are ...

From spent grain and citrus peels to reusable containers and local sourcing, food establishments across Pittsburgh are redesigning systems one decision at a time.

This is the first installment of a series of fun, nature-based activities in western Pennsylvania. Check back for more in the coming weeks. Searching the shores of Lake Erie for beach glass is a ...

A new rule finalized by the EPA last month will require U.S. Steel and other companies around the country to set up fenceline monitoring for air pollution around its coke plants.The rule means that ...

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 ...

This story is the fourth in a series examining the aftermath of the Feb. 3, 2023, Norfolk Southern train derailment in East Palestine, Ohio, funded in part by the Fund for Investigative Journalism. It ...

This story comes from our partner, 90.5 WESA. Massive computing centers proposed across Pennsylvania could be a huge draw on the power grid, causing worries that electric bills will rise for the rest ...

Stacey Magda stands on the side of a country road in Westmoreland County, near the top of a ridge. Trucks whiz by. There’s an old cemetery a few steps away. “This is coal country. One of Henry Clay ...

This story comes from our partners at WHYY. Philadelphia’s climate pollution has continued to drop, according to a new analysis of the city’s planet-warming emissions. The report, which accounts for ...