Terra preta is the Portuguese name of a type of soil which is thought to have almost miraculous properties. The newspapers are flooded with reports about “bla

Dark Earths are a testament to vanished civilizations of the Amazon Basin, but may also answer how large societies could sustain intensive agriculture in an env

Amazonian soils are almost universally thought of as extremely forbidding. However, it is now clear that complex societies with large, sedentary populations wer

A fascinating description of how utilizing the biochar embedded in terra preta, the recently rediscovered sacred soil of the pre-Columbian peoples of the Amazon