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

Republican lawmakers in the Mid-Atlantic want faster permitting, less regulation and an end to the Regional Greenhouse Gas ...

The round goby is a little fish causing big problems in Lake Erie. Pennsylvania is looking to anglers to help stop the ...

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.

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

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 ...

For our series, Reporting From the Mon, we’re talking to people with different perspectives on the Monongahela River. For this interview, we head east into the Laurel Highlands to a tributary of the ...