The Interior Secretary was in Bethlehem Township, home to Black Dog Hollow, a 100-foot tall pile of coal waste left by a mine that closed 30 years ago.
The request comes a few weeks after the state shut down another pipeline project due to repeated permit violations, including more than 60 spills along its route.
Why is the wastewater created during fracking for oil and natural gas—flowback—radioactive? And just where does that dirty, salty wastewater go? Watch the video -- It's fracking amazing.
Reid R. Frazier covers energy for The Allegheny Front. His work has taken him as far away as Texas and Louisiana to report on the petrochemical industry and as close to home as Greene County, Pennsylvania to cover the shale gas boom. His award-winning work has also aired on NPR, Marketplace and other outlets. Reid is currently contributing to StateImpact Pennsylvania, a collaboration among The Allegheny Front, WESA, WITF and WHYY covering the Commonwealth's energy economy.