Beyond the ‘poo bus’: the many uses of human waste

A British “poo bus” went into service last week, powered by biomethane energy derived from human waste at a sewage plant.

For those of us who follow these matters – and my academic works include Geographies of S**t: Spatial and temporal variations in attitudes towards human waste – this was an exciting moment, a rare piece of good PR for human waste. After all, most societies strongly associate it with a sense of disgust. Poo threatens the health of around 2.5 billion people … and it smells bad.

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