"Terra preta, meaning "black earth" in Portuguese, is a very dark, fertile soil first made by the original inhabitants of the Amazon Basin at least 2,500 years ago. According to a growing community of international scientists, this ancient soil, sometimes referred to as biochar,…
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 "black gold," scientists believe that two of the greatest problems facing the world ' climate change and the hunger crisis ' …