This «disruptive» new technology uses heat and pressure to convert sewage waste into an oil that has properties very similar to petroleum. (treehugger.com)
It does n`t matter who stands, because you could put up a ton of sewage waste for Labour as a candidate, and it would win. (politicshome.com)
And the water pollution from factory farms (also called concentrated animal feeding operations or CAFOs)-- whereby pigs and other livestock are contained in tight quarters — can produce as much sewage waste as a small city, according to the Natural Resources Defense Council (NRDC). (scientificamerican.com)