2014 Was Warmest Year Ever Recorded | Video

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Believed to be caused by increasing human contribution of carbon dioxide and heat-trapping gases, the steady increase in average temperatures peaked yet again in 2014. Since 2000, the record for warmest year has been broken 10 times. Full Story On Live Science: http://goo.gl/WqEFGw

Published 2015-01-16 · Watch on YouTube ↗
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