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.

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

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

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

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

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

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

The Three Rivers Waterkeeper is collecting samples from Synthomer, a chemical plant, in its effort to understand water ...

U.S. Steel's Clairton coke works will now have to monitor for benzene, a known carcinogen, at the plant's fence line. EPA had paused the rules.

Looking upstream, the Kinzua Dam seems to protrude brusquely from the Allegheny River. Nestled securely between the rolling hills of Warren County, Pennsylvania, the dam holds the river back. Behind ...

Waste from the oil and gas industry plays a central role in science journalist Justin Nobel‘s new book Petroleum-238: Big Oil’s Dangerous Secret and the Grassroots Fight to Stop It. Nobel spent seven ...

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 ...