According to Ellen MacArthur Foundation, an economic system can be defined as circular when it is able to self-replenish stocks of human, technological, social and natural capital. This regenerative ability is based on the fundamental distinction between organic matter flows that can be reintegrated into the biosphere and flows of technical matter that must indeed be planned, starting from resource extraction, to optimizing its reuse, fixing, restoration and recycling. The shift from the linear to the circular model should grant important economic cascading in several sectors, like the design of products and services, savings in waste management, the new entrepreneurship originating from their cascading reuse. In Europe alone savings for € 600 billion are expected from...