All the secrets and virtues of hemp. An ecological, therapeutic, revolutionary plant. Cannabis is an extraordinary resource: a plant that grows without chemistry, fights climate change, is able to seize more C02 than a forest and to purify the soil. The active principles contained in its inflorescences can soothe the pain of serious diseases and help to cure others. Its fiber is transformed into healthy, resistant and sustainable fabrics. Its seeds and oil are real overcomings, among the richest in proteins and nutrients. It is a perfect material to build a house in bio-building. It can effectively and ecologically replace cotton and many of the oil derivatives. Today hemp – long obsteated by oil and gastronomy – has returned to be cultivated and is also protagonist in many countries of a lively debate on its therapeutic and “recreative” use. This book goes beyond the cultural taboos that hinder the spread of this precious plant, and illustrates all the virtues and secrets.