Opponents say Hydraulic Fracturing (also called fracking) is dangerous, and causes lasting environmental damage. The energy industry says it's safe, tightly regulated and is the key technology that provides clean energy to the US. Who's right?

As new technologies for the extraction of natural gas spread across the globe, many nations could tap abundant supplies of unconventional gas that occur within their borders.

North Dakota’s Bakken Shale is providing a wealth of new oil production to the U.S., along with bountiful economic activity.