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The Obama administration recently announced new rules to regulate fracking. But no one, it seems, is entirely happy with them. Fracking, or hydraulic fracturing, is the process of drilling and injecting fluids into the ground at high pressure to break up shale rock formations and release natural gas that's trapped inside. The practice has helped make the United States the world's top producer of oil and gas, and has spurred an economic boom in places like North Dakota. But it's also become a prime source of water contamination across large areas of the country. [Source: PRI's The World]
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