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BBC: An extensive study of tree growth rings says there could be a link between the rise and fall of past civilisations and sudden shifts in Europe's climate.
A team of researchers based their findings on data from 9,000 wooden artifacts from the past 2,500 years.
They found that periods of warm, wet summers coincided with prosperity, while political turmoil occurred during times of climate instability.
The findings have been published online by the journal Science.
"Looking back on 2,500......
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Fall of Rome ‘recorded in trees’
Posted by Washington Post: Juliet Eilperin on January 14th, 2011
Posted in Water Conservation