CNX sues nonprofit news outlet for defamation over fracking coverage
Natural gas company CNX is suing Capital & Main for defamation in federal court for its article about the company’s air monitoring initiative.
Reid Frazier
No hearing for Westmoreland County gas plant’s air permit, though environmental groups say it needs work
The Tenaska plant emitted around 2.8 million tons of carbon dioxide in 2024, making it one of the top emitters of greenhouse gases in the state.
High-pressure maintenance procedure led to valve rupture in fatal U.S. Steel blast
The valve that burst was originally built in 1953. The company used a high-pressure technique that resulted in a rupture.
EPA reverses course on rule that will force U.S. Steel to monitor for cancer-causing emissions
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.
Along the banks of the Mon, fracking waste in a landfill once again poses a pollution problem
The Westmoreland Sanitary Landfill accepts fracking waste. But some fear fracking contaminants like radium could end up in the Monongahela River.
Coke plant’s closure near Pittsburgh led to immediate health benefits, study finds
ER visits for pediatric asthma and cardiovascular disease plummeted after the Shenango coke plant on Neville Island closed in 2016.
Trump rollbacks keep new clean air rules out of Pittsburgh’s Mon Valley
New air pollution rules for steel plants including the Clairton Coke Works have been paused for at least two years.
U.S. Steel: Gas-valve failure likely cause of deadly explosion at Clairton Coke Works
U.S. Steel said pressure built inside the valve, leading to its failure. This allowed coke oven gas to escape and explode when it found an ignition source.
In Clairton, a community deals with a fatal explosion at the U.S. Steel plant
Neighbors of U.S. Steel's Clairton Coke Works and its workers react to the explosion at the plant on Monday that killed two and sent 10 to the hospital.
Clairton Coke Works, site of Monday’s explosion, has a history of problems
The Clairton Coke Works has a history of maintenance issues, explosions and environmental violations.
