Rapid changes in Greenland climate last 5,000 years, study finds

Physorg: Abrupt average temperature changes of as much as 4 or 5 degrees Celsius over a few decades may have profoundly affected human civilization for cultures that occupied western Greenland over the past 5,000 years. Those are the findings of a study published in the May 30-June 3 online edition of the Proceedings of the National Academy of Sciences by a group of scientists that included Sherilyn Fritz of the University of Nebraska-Lincoln. Using a new technique that measures the qualities of haptophytes......

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