Gallery: UN Envoys Advised to Develop a Plan B For Failure to Meet Glob...


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In an effort to curb global climate change, policy makers and scientists agreed in 2010 that the total levels of CO2 emissions should not exceed 350 parts per million. That magic number would still lead to an average planet-wide temperature rise of 2 degrees Celsius, but it would at least stave off the worst effects from a warming planet. But with CO2 levels surpassing 400 parts per million for several days last month according to data collected at a Hawaiian monitoring station, politicians are being urged this week to draft a backup plan at their meeting in Bonn, Germany. The authors of a new study from the German Institute for International and Security Affairs are urging UN envoys to establish a new target that would be more realistic in light of recent discoveries.

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