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Why 400PPM Is Too Big of a Number to Ignore
2015-12-02 18:01:00| Climate Ark Climate Change & Global Warming Newsfeed
Climate Central: As world leaders and policymakers try to reach an agreement on global warming limits at the climate summit in Paris, there is one number they can't ignore: 400 parts per million. Climate Central's Chief Meteorologist Bernadette Woods Placky explains from the COP21 climate conference in Paris.
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Category:Electronics and Electrical