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#waste

Festival-goers use a urinal on the opening day of the 19th Eurockeennes Festival in Belfort, France, on June 29, 2007. Photo: Jean-Philippe Ksiazek / AFP / File
Festival-goers use a urinal on the openi... […]

Can pee help to feed the world?

Human urine may seem like a crude way of fertilising plants in the era of industrial agriculture, but as researchers look for ways to reduce reliance on chemicals, some are growing increasingly interested in the potential of pee