What the frack is going on?

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

What the frack is going on?

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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)