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August 29, 2008 4:15:54 PM CDT

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Climate Swing Jump-Started Civilization

Posted Feb 12, 08 2:10 PM CST in Science & Health,  World 

(Newser) – An ancient Peruvian civilization may have been kick-started by a climate swing. Five thousand years ago, hunter-gatherers moved inland from the seashore, settling in arid, desolate river valleys where they learned to farm. Archaeologist Jonathan Haas thinks the new settlers were spurred to move by more frequent El Ninos, which killed the fish and shellfish they had relied on for food, reports NPR.

In those less hospitable dry valleys of Norte Chico, the settlers developed trade with their coastal neighbors and built huge terraced rock monuments and sunken circular plazas. "If you think about going from a hunter-gatherer society to this highly centralized society with an organized religion, it's a pretty dramatic change to take place over a very short period of time," says Haas.

Source NPR

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The remains of the Caral pyramids in the arid Supe Valley. A group of archaeologists believe that the sudden blossoming of the ancient Peruvian coastal culture may be directly related to a climate shift...   (Public Domain)
Sunrise over Machu Picchu. 5,000 years ago, an unnamed civilization rose along the coast of Peru, possibly, some scientists suggest, due to a climate change.   (Public Domain)
Sunrise over Machu Picchu. 5,000 years ago, an unnamed civilization rose along the coast of Peru, possibly, some scientists suggest, due to a climate change.   (Public Domain)
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