‘This is not a hippy thing’: the startup recycling urine to make natural fertiliser

As recent conflicts expose vulnerability of fertiliser markets and its effect on food security, VunaNexus offers an alternative

When staff answer the call of nature at the European Space Agency’s headquarters in Paris, their urine is not simply flushed away – it is turned into something much more useful.

While urine-diverting toilets are often associated with smelly festival loos, there is nothing bohemian about recycling nutrients from human pee, said David de Chambrier, the chief executive of VunaNexus. The process isn’t so different to recovering minerals in used electronics.