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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
November 12, 2014
Nature.com
March 13, 2015
The Washington Post

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