Causes www.pghcitypaper.com Pittsburghers have been driving less during the pandemic. Why isn’t air pollution going down? Multiple types of pollution impact air quality.
Solutions www.pittsburghcurrent.com Schweiger: The Smokey City is once again at a crossroads Pittsburgh faces growing health risks from ground-level ozone and fine respirable particles. A warming climate exacerbates pollutant impacts.
Impacts www.publicsource.org A decade of cleaner air ended in controversy and questions about Allegheny County’s future Allegheny County reckons with new challenges and questions about priorities after a decade of improving air quality ended in one of the worst pollution episodes in recent memory.