The Philadelphia, Lancaster and Berks County areas also received poor grades; the Harrisburg area received passing grades.
A company spokesperson said the purpose of putting in new pollution controls is to improve the efficiency of the pollution collection system, not to increase coke production
Clean air laws helped the U.S. reduce air pollution. But hotter days brought by climate change could reverse those gains
American Lung Association’s latest air quality report claims climate change will make it harder to protect health
Pennsylvania areas showed some improvement in the report, but air quality in the Philadelphia and Pittsburgh areas remains poor.