Dark earth is not just an archaeological find. The more the researches discover about this intriguing cultivation technique, the more we perceive the solution to the greatest problems of humanity today. A solution offered by the same people that the present civilization has massacred. Believe! Black earth is the solution to many problems, a brilliant, genial, low-cost solution, open to all without royalties or contraindications. Dark earth is the sustainable future of agriculture, thanks to an ancient civilization that flourished in the Amazon.