Science: The Disappearing Cold

Greenland is getting greener and Iceland's ice is shrinking. The Arctic is losing its chill. According to Dr. Hans Ahlmann, professor of geography at Stockholm University, all the cold lands around the northernmost Atlantic are entering a balmier climatological era.

Dr. Ahlmann has been collecting evidence from a variety of sources: temperature records, glaciers, trees, fish. In the Scandinavian countries, he says, the winters have been getting milder since the 19th Century. The change for the better amounts to only a degree or two, but that is enough to make all the difference in...

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