Claim: Air pollution may have masked mid-20th Century sea ice loss

via Watts Up With That?http://ift.tt/1Viafi3

From the American Geophysical Union: WASHINGTON, DC — Humans may have been altering Arctic sea ice longer than previously thought, according to researchers studying the effects of air pollution on sea ice growth in the mid-20th Century. The new results challenge the perception that Arctic sea ice extent was unperturbed by human-caused climate change until […]

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February 24, 2017 at 03:09AM