Greenland’s Vikings

Date: 1/8/2011

A 12th century Greenland cold snap may explain why Viking settlers vanished from the island, scientists said. The report, reconstructing temperatures by examining lake sediment cores in west Greenland dating back 5,600 years, also indicated that earlier, pre-historic settlers contended with vicious swings in climate – a huge setback to crop and livestock production. Conflicts with indigenous Inuit, a search for better hunting grounds, economic stresses and natural swings in climate, perhaps caused by shifts in the sun’s output or volcanic eruptions, could all be factors.

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