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The Maya are an example of a civilization that collapsed in a complex way: http://www.smithsonianmag.com/science-nature/why-did-the-mayan-civilization-collapse-
by someguydave 10y ago
The Maya are an example of a civilization that collapsed in a complex way:
http://www.smithsonianmag.com/science-nature/why-did-the-mayan-civilization-collapse-a-new-study-points-to-deforestation-and-climate-change-30863026/?no-ist http://www.smithsonianmag.com/science-nature/why-did-the-may...