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Power Shift: CNBC - NBC News Joint Production

  • The environmental impact of "fracking," the drilling technology largely responsible for America's boom in oil and gas production, are hotly contested. Consequences like water contamination have been established, but often it is not clear if they were directly caused by fracking or the result of sloppy drilling practices.

  • To help cut through the claims and counterclaims, here are a few of the issues debated in the scientific discussion about fracking.

  • A dramatic shift in how energy is being produced and consumed around the world could lead to far-reaching changes in the geopolitical order.

About Power Shift

  • In a four-part series, NBCNews.com and CNBC Digital will examine how the U.S. energy boom occurred almost overnight and look at the implications that U.S. energy independence would have for the economy, other types of energy, foreign policy and the environment.

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  • A logo sits on a sign at the World Economic Forum in Davos, Switzerland, on Thursday, Jan. 23, 2014.

    Coverage of the World Economic Forum’s annual meeting in Davos, Switzerland.

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Energy

Energy

Oil

Oil and Gas