New tree ring study shows temperatures during Roman times were likely warmer than previously understood. Warm enough to explain how the Romans could grow grapes for wine in northern Britain.  (via Tree rings suggest Roman world was warmer than thought - environment - 10 July 2012 - New Scientist)
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New tree ring study shows temperatures during Roman times were likely warmer than previously understood. Warm enough to explain how the Romans could grow grapes for wine in northern Britain.  (via Tree rings suggest Roman world was warmer than thought - environment - 10 July 2012 - New Scientist)

Source: newscientist.com

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