Researchers at Ben-Gurion University of the Negev say they have conducted a pilot study that showed that raw human excrement can potentially be converted to a safe, reusable fuel and a nutrient-rich fertilizer. The discovery addresses two major needs of the developing world: better sanitation and environmentally friendly fuel for energy, the researchers said in … Leggi tutto Researchers showed that raw human excrement can be converted to a safe, reusable fuel and a nutrient-rich fertilizer