China and the U.S. are not the biggest carbon emitters on a per-person basis: http://www.scientificamerican.com/article/china-and-the-u-s-are-not-the-biggest-carbon-emitters-on-a-per-person-basis/ … via @sciampic.twitter.com/OQ5jkvIZ4E
3:02 PM - 2 Oct 2015
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