Mon Valley Works

After deadly explosion, safety and environmental lapses at U.S. Steel’s coke works now rest with Nippon

Six months after two deaths at the massive Clairton Coke Works, U.S. Steel's new owner inherits the plant's safety challenges and pollution...

Second worker found dead after explosion at U.S. Steel Clairton Coke Works

Authorities said 10 other workers required hospital treatment — including five listed in critical but stable condition — after an explosion...

‘The issues are not getting better’: Pa. environmental groups address U.S. Steel explosion

Two environmental groups were critical of U.S. Steel following the explosions on Monday at the Clairton Coke Works plant near Pittsburgh...

Explosion at US Steel plant in Pennsylvania leaves 2 dead, 10 injured

An explosion at Clairton Coke Works, a US Steel coking mill in Pennsylvania left two people dead, officials said.