Wednesday, March 5, 2014

Harappan Civilization May Have Been Killed by 200 Year Drought

Not good news for the southwest USA, for sure, where we've been in a long-term drought going on 50 years now.  Snail shells tell the tale...


Two-hundred-year drought doomed Indus Valley Civilization

Monsoon hiatus that began 4,200 years ago parallels dry spell that led civilizations to collapse in other regions.

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