When the town of Clairton, Pennsylvania, was founded a few miles south of Pittsburgh at the start of the 20th century, the only thing there was a steel mill. “At the beginning of 1901, the town of Clairton was a field,” a newspaper article from 1904 explained. “The Clairton steel mill first began operations in … Continue reading In a Steel Town Outside Pittsburgh, an Old Fight Over Air Quality Drags On