The constant increase in World population is responsible for the huge increment in demands for essential resources as water, food and energy. These are linked together through the so called Energy-Water-Food nexus, which is a new methodology capable of explaining how the production of one of these goods is related to the others. Energy and food sectors have already found various alternatives for the production of these goods, just think to innovative methods for renewable energy sources and modern agriculture techniques characterized by lower water intensity and soil usage. On the other hand the problem of water scarcity is widely spread along the World and seems to be poor of solutions other than common ones.