The heavy smoke is gone. But particulates 30 times smaller than the diameter of a human hair and gases formed by the reaction of sunlight and fossil fuels exhaust remain as the region’s most widespread, stubborn and dangerous air quality problems. Unlike the smoke that draped large swaths of southwestern Pennsylvania during its industrial heyday, …

Taming Air Pollution: The Region’s Century-Old Challenge Read More »








Finley, McClendon, Castillo, Hill, Shiller, Newton, McKone Read More »












Is Everything That Didn’t Work Worthless? Part IV Read More »