Climate Variability Contributed To Khmer Civilization's Downfall

An analysis of tree rings and archeological remains suggests that decades of drought, interspersed with intense monsoon rains, may have helped bring about the fall of Cambodia's ancient Khmer civilization at Angkor nearly 600 years ago. The findings, published this week in PNAS,  indicate that advanced civilizations are still vulnerable to the influence of climate change. read more

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