IANS
WASHINGTON: Decades of drought, alternating with intense monsoon rains, may have sounded the death knell for Cambodia's ancient Khmer civilization at Angkor nearly 600 years ago.
Columbia University researchers say this based on an analysis of tree rings, archaeological remains and other evidence.
Their findings may also shed light on what drives - and disrupts - the rainy season across much of Asia, which waters crops for nearly half the world's population.
'Angkor at that time faced a number of problems - social, political and cultural. Environmental change pushed the ancient Khmers to the limit and they weren't able to adapt,' said the study's lead author, Brendan Buckley.
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