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    February 10, 2015
    Climate Central
    April 25, 2014
    Faculti
    January 21, 2015
    PBS News Hour
    November 13, 2014
    Danish Daily Newspaper
    January 28, 2013
    The Wall Street Journal
    October 23, 2013
    The Wall Street Journal
    January 15, 2009
    Le Point
    December 18, 2014
    Climate Progress
    November 12, 2012
    The Energy Collective
    December 14, 2011
    The New York Times

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