Amazon river - Photo by CIFOR on Flickr-CCAn international team of archaeologists have made an intriguing discovery — the peoples who farmed the Amazon long before the arrival of Europeans did so without burning down trees to clear room for their fields. These indigenous farmers used raised-field farming, according to a University of Exeter researcher.

“Now that we’ve rediscovered these ancient methods, they could prove an extraordinarily powerful tool in controlling global warming, and at the same time provide food security for the more vulnerable and poorest rural populations.”

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Photo by CIFOR on Flickr, CC license

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