The new economy of excrement : Nature News & Comment

  • 2017•09•13

    An excerpt from the article by

    There is energy in sludge, too. According to a 2015 report by the United Nations University in Hamilton, Canada, if all the human faeces produced annually were converted into biogas, it would provide electricity to more than 138 million households. The leftover slurry could be dried into a charcoal-like fuel for use by a further 130,000.