How the Frick Fracking Works

1/22/2013, 7:11:00 PM , duration(0:0:2)
Society & Culture
Fracking, the process of breaking trapped resources like natural gas and oil from shale, has led to a revolution in energy production in the U.S. It's also given rise to increasing worries that the process can have sweeping environmental impacts.<br><br> Learn more about your ad-choices at <a href=''></a>