All sources of energy and electricity require water in their production processes: the extraction of raw materials, cooling in thermal processes, in cleaning processes, cultivation of crops for biofuels, and powering turbines to generate hydroelectricity.

UNESCO: CULTURE

His suggestion would be to reconsider some of the previously discarded options, with preference towards more modern thermal treatment processes, or systems of pre-treating the waste and creating fuel from it.

BBC: Gloucestershire