What the frack is going on?

What the frack is going on?
What the frack is going on?

What the frack is going on?

Hydraulic fracturing cracks the rock by shooting chemicals into the shale. Then, the oil and gas is extracted from layers between the rock. Is this method of energy development a boon to our economy or a disaster for our environment? The Chicago Tribune’s Julie Wernau will take your calls. (Flickr/Bosc d’Anjou)