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"Photo credit: Flickr/Nicholas A. Tonelli Hydraulic fracturing, or fracking, is a hotly debated topic. Movies like Gasland have brought to light some points of concern on the practice used to"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.aol.com/article/2013/10/16/4-things-you-probably-didnt-know-about-fracking/20747048/?gen=1>