Do you know the value of your city's sewage?

Trucks emptying faecal sludge at Bugolobi Wastewater Treatment Plant in Kampala, Uganda. Photo by Linda Strande. As the idea of the circular, resource-efficient economy gains ground, urban planners are increasingly asking not just how much it will cost to clean up “human waste”, but also how much that “waste” might be worth. As part of our Initiative on Sustainable Sanitation , we’ve been developing a tool that can help city planners understand how they could profit from productive reuse of a wide range of urban organic waste streams. Every day, an estimated 9.5 million m3 of human excreta and 900 million m3 of municipal wastewater are generated around the world – enough to fill 363,800 Olympic swimming pools. A large share of these goes into lakes, rivers and other waterways with little or no treatment – a major health risk and a relentless pressure on vital ecosystems. B...

Full article: http://www.sustainablecitiescollective.com/seiresearch/12...

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Do you know the value of your city's sewag...

Trucks emptying faecal sludge at Bugolobi Wastewater Treatment Plant in Kampala, Uganda. Photo by Linda Strande. As the id...

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