A new report shows the western part of the state has the most abandoned or 'orphan' gas wells in Pa. They're a big source of methane, a potent greenhouse gas.
The dry spring meant less phosphorous fertilizer running off into tributaries of Lake Erie. It's too early to tell if efforts to reduce phosphorous are paying off.
Developers of this new visualization of air pollution hope it will help people verify what they smell. "This weaving together [of data] creates a corroboration of people’s experiences.”
