-
Pollution levels in American cities have fallen in the decades since the passage of clean air laws in the 1970s. And even though cars and factories are…
-
The day after Pennsylvania, 14 other states and the District of Columbia sued the Environmental Protection Agency over its plan to delay implementation of…
-
In 1948, twenty people died when thick smog settled over the small town of Donora, just south of Pittsburgh. But is the city prepared if it happens…
-
Air quality in western Pennsylvania improved in 2016, according to three regional monitors tracked by the Allegheny County Health Department.“It was a…
-
Gov. Tom Corbett signed a bill last week that eliminates requirements for what’s called “summer gas.”Seven counties in Western Pennsylvania require that a…