NPR All Things Considered | Feb. 9, 2012
Christian Science Monitor | Jan. 27, 2012
WNYC Leonard Lopate | Feb. 3, 2012
Houston Chronicle | Feb. 1, 2012
Project Syndicate | Dec. 21, 2011
Huffington Post | Dec. 4, 2011
Huffington Post | Feb. 6, 2012
New York Times | Jan. 27, 2012
New York Times | Jan. 31, 2012
Popular Mechanics | Jan. 6, 2012
Earth Times | Oct. 28, 2011
American Chemistry Council | Oct. 12, 2011
Earth & Sky | Jan. 16, 2012
The Atlantic | Jul. 6, 2011
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