The debate over air quality in the Mon Valley flared this week as the Group Against Smog and Pollution (GASP) called on U.S. Steel to once again improve pollution-creating conditions at Clairton Coke Works.
Earlier this year, Allegheny County saw its first-ever days in compliance with all federal air quality guidelines under the National Ambient Air Quality Standards.
As coronavirus restrictions closed businesses and reduced road traffic during much of March and April, some of the country's most polluted cities experienced better air quality.
The company scraps planned Pennsylvania investments and will instead shut down three polluting batteries in 2023. The announcement comes a week after a study shows lower lung function in people living near its Pittsburgh-region facility.
EHN.org scientific investigation finds western Pennsylvania families near fracking are exposed to harmful chemicals, and regulations fail to protect communities' mental, physical, and social health.
