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When should China start cutting its emissions? /Carlo Carraro &#38;  Emanuele Massetti, VoxEU.org, 25/04/2012http://www.voxeu.org/index.php?q=node/7910In 2006 China became the world’s largest carbon dioxide polluter. This column argues that China is not rich enough to start reducing emissions immediately, but it is far too big not to do anything. The question is when and at what rate it is reasonable to call on China to start cutting back...