Fracked Up

Another Kind of Drill Baby Drill

Two years ago, Pennsylvania opened the door to a natural gas drilling technique that's caused controversy in some Western states. At the time, environmentalists worried that high-volume hydrofracking could contaminate water supplies, but the state and industry insisted that fracking was safe. Now, after a spate of accidents, Pennsylvania regulators are tightening up the rules governing fracking.

Audio Embed: NPR's All Things Considered 6/16/10, Reporter: Ilya Marritz.