10/08/2012 04:01 pm ET

Temperature Target May Doom Climate Talks, Study Says

At the much-heralded climate summit in Copenhagen in 2009, world leaders agreed to limit manmade global warming to less than 2°C (3.6°F) above preindustrial levels. The agreement at Copenhagen, however, and in multiple rounds of subsequent negotiations, hasn’t led countries to make actual commitments to the kind of emissions reductions that would put the world on a path to meeting that 2°C target.

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