U.S. Steel has been sanctioned for repeatedly leaking oil into the Monongahela River near Pittsburgh, but clean water ...

U.S. Steel's Clairton Coke Works. Qiyam Ansari grew up in a town on one side of the U.S. Steel Edgar Thomson Works in Braddock, Pa., and went to school on the other. “We used to drive by the mill ...

A new analysis found the U.S. steel industry is falling behind as the global market shifts toward cleaner production. Nippon Steel’s acquisition of U.S. Steel could help reverse it, with $6.5 billion ...

Aug. 11—The Clairton Coke Works Plant in the Mon Valley plays an essential role in steelmaking in the United States. The century-old plant was the site of an explosion Monday that killed two people ...