Pitt and Duquesne University researchers found radium downstream of wastewater treatment plants that treat runoff from landfills that accept frack waste.
PJM Interconnection is changing how it approves new electricity projects, intending to speed up the process. About 8 in 10 of the more than 2,600 projects waiting for approval are from renewable sources.
Shell's ethane cracker in Beaver County has had air pollution problems since it started up in the fall. Now, some of its supporters are beginning to question its ability to be a good neighbor.
