today, several hundred years later. Biochar is based on the concept, andFrom what I understand about terra preta, they are still fertile
areas of the Amazon where indigenous populations lived for thousands of
But apparently the terra preta are visible on satellite images in
Maya, and Egyptians really, lending even more credence to the population
This discovery in the upper Amazon is on par with the Aztecs, Inca,
logging equipment.
Hopefully if we discover another major civilization it won't be with
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