Sewage

McDonald's is working with appliance manufacturer Miele to adapt its washing machines to extract grease, creating additional biofuel feedstocks and curbing potentially damaging waste

The 'Fine to Flush' standard will allow wet wipe manufacturers which pass new tests to put official safety logos on their packaging

"Where there's muck there's brass" claims water sector regulator, as it calls for greater innovation in sludge-to-energy to cut carbon, reduce bills and boost sector resilience

Major new study argues a return to using sewage as fertiliser may help tackle potentially catastrophic loss of soil nutrients

Government-backed body reaches landmark figure after investing £2m in sewage heat recovery technology across Scotland

Water company to expand solar energy and anaerobic digestion to meet half of energy consumption from renewables by 2020

Microsoft founder's philanthropic foundation supports pilot project that produces clean water and electricity from human waste

Developers Aqualia says algae-based technology could enable Spain to 'power 200,000 vehicles through a single toilet flush'

Utility reveals plan to use innovative waste water power technology to generate up to 20 per cent of its electricity from renewable sources

You don't eat yellow snow, but should you ski on it? An Arizona resort thinks so