President Trump's promise of a manufacturing renaissance will likely backfire, resulting in higher prices, environmental toll ...

Although they were centers of industry, they were also wastelands of soot, smog and contamination. In its prime, Pittsburgh was so polluted that office workers had to change shirts at lunchtime.

President Trump's EPA administrator aims to roll back environmental protections in an effort to reduce the agency's spending.

Several of the environmental benefits Americans experience today -- clean air, clean water, clean rain -- could soon be in ...

A chronic smog of air pollutants that hung over Los Angeles was viewed as a "national joke" at the time, Barnes said, while in places that had steel mills, like Pittsburgh and Birmingham ...