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TedTalk of Christoph Lüthi: «Why shit matters”

January 22, 2019 | Karin Stäheli

3 billion people worldwide live in cities without sewers or wastewater treatment plant infrastructure. This forces them to dump their waste into open waters, contaminating the drinking water for others downstream. Christoph Lüthi shows how we could harness nutrients in wastewater instead of harming human and environmental health.

Video in english