cahokia

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Lost cities and climate change
blogs.scientificamerican.com

Lost cities and climate change

Some people say “the climate has changed before," as though that should be reassuring.

Ancient poop helps show climate change contributed to fall of Cahokia
news.wisc.edu

Ancient poop helps show climate change contributed to fall of Cahokia

A study provides a direct link between changes in Cahokia’s population size as measured through a unique fecal record and environmental data showing evidence of drought and flood.
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