It has already been a few years since the media started talking increasingly often about the regenerative economy: an economy born out of the cooperation between different trades acting within the same territory. A symbiotic economy, based on the possibility that some business’ or trade’s waste (not only materials, but, for example, also power and water) become by-products and are used by another company. It is a seemingly new frontier aimed at sparking off a virtuous circle of matter. In fact, the idea of industrial symbiosis is quite old. After having set an example with Gunter Pauli’s Breakthroughs (Epsilon Press 1996), it was consequently mentioned by the European Union as a tool the Member States should equip themselves with in their transformation strategies towa...