Shell's new petrochemical facility in western Pennsylvania could bring emissions of some air pollutants back to levels the region hasn't seen since the 1990s.
New data from the state's Department of Environmental Protection reveals that a wide variety of air pollutants are still a problem at Pennsylvania's oil and gas sites.
Environmental and health advocates have long suspected a link between chemical exposures and neurodevelopmental disorders like autism. Now, one group says the growing body of evidence warrants public action.
After tests showed lead levels exceeding federal limits, the state is requiring Pittsburgh to replace its old lead water pipes. But just how much that will cost and how long it will take is anybody's guess.
According to a new report from the Center for Public Integrity, hundreds of rural Pennsylvanians are enduring contaminated well water they blame on fracking. And getting help from state regulators often proves a frustrating fight.
Every day, one in six Americans sets foot in a school building. And there are dozens of environmental hazards waiting for us that we could be doing more to fix.
Even with big improvements to air quality over the past few decades, it's hard to describe Pittsburgh's march toward cleaner air as anything but a slog. So what's taking so long?
