As Pennsylvania lawmakers consider how to regulate power-hungry data centers, the industry warns of over-regulation.

Eos makes zinc-based batteries for industrial and other large-scale uses, including renewable energy projects.

East Palestine residents gathered to hear an update on research being conducted at various universities on the public health ...

The pitch includes 400 buildable acres and access to natural gas reserves, a lot of water and methane from coal mines.

Tenaska opened a gas power plant in 2018, and it has only now obtained a draft air permit that environmental groups say is missing requirements.

Conservationists used fire to manage habitat in an County meadow. The practice goes back centuries to Indigenous peoples.

Washington County acreage pitched as ‘carbon-neutral’ data center development ...

A consultant hired by U.S. Steel to investigate an August 11 explosion at the company’s Clairton Coke Works found water pumped into a valve during a scheduled maintenance exceeded the valve’s pressure ...

Writer Andrew Moore discusses the Pittsburgh Botanic Garden's prescribed burn to curb the spread of a plant dubbed the “plague on the prairie.” ...

While air pollution in the Mon Valley has been the focus of environmental concerns and lawsuits for many years, the non-profit Three Rivers Waterkeeper is also looking at water quality, and has a new ...

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 ...