Climate change drove population decline in New World before Europeans arrived

Climate change drove population decline in New World before Europeans arrived Indianapolis IN (SPX) Feb 01, 2017 - What caused the rapid disappearance of a vibrant Native American agrarian culture that lived in urban settlements from the Ohio River Valley to the Mississippi River Valley in the two centuries preceding the European settlement of North America? In a new study, researchers from Indiana University-Purdue University Indianapolis reconstructed and analyzed 2,100 years of temperature and precipitati ... more

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