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The Blue Diversion Toilet was developed mainly because the problem with nitrogen in the waters is growing in Europe. Harald Gründl has been researching urine separation with EOOS since 2009 in collaboration with the Swiss Water Research Institute of the ETH Domain EWEAG with funds from the Bill&Melinda Gates Foundation. Today he is talking about a toilet revolution. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx

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