Lake sediment suggests summer temperatures have only been this warm once before in last 200,000 years
Oct 20, 2009
MARTIN MITTELSTAEDT
Globe and Mail
http://www.theglobeandmail.com/news/national/arctic-heat-wave-unique-in-history-study/article1330231/
Oct 20, 2009
MARTIN MITTELSTAEDT
Globe and Mail
http://www.theglobeandmail.com/news/national/arctic-heat-wave-unique-in-history-study/article1330231/
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