Experts even surer now: Humans are cause of global warming – NBCNews.com

Experts even surer now: Humans are cause of global warming
NBCNews.com
Video: A draft of the UN's upcoming climate report states what scientists have been warning about for several years: that the main cause of long-term global warming is carbon dioxide emissions. For several years Greenland's native Inuits have witnessed

View full post on global warming – Google News

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