Though earthquakes caused by fracking are rare, a series of small quakes in the heart of Pennsylvania's drilling country has again raised questions about the links between earthquakes and fracking.
Industry leaders are looking to Pennsylvania's vast natural gas reserves to fuel a manufacturing reboot in Philadelphia. But is Philly's new "energy hub" just a pipe dream?
After years of delays, only two families out of the original 44 plaintiffs in a case against Cabot Oil and Gas went to trial. But a jury has now found the company liable for millions in damages.
A case now before the Pennsylvania Supreme Court could decide what the state's constitutional guarantee of clean air and clean water really means on the ground.
While others settled fracking lawsuits, two Pennsylvania families remain resolute in pursuing their case against one of the biggest drillers in the region.
