The Maya civilization was among the most advanced in history, and its disintegration has perplexed researchers for ages. One of the most compelling theories to date suggests that a shifting climate, playing puppeteer to sociopolitical marionettes, had a devastating role in the Maya's downfall. Now, researchers have combined remarkably detailed climate data — recorded in a Central American stalagmite — with historical records to help determine what really happened to this mysterious Mesoamerican society.
http://io9.com/5958954/what-destroyed-the-maya-a-stalagmite-from-beliz-could-finally-solve-this-ancient-mystery