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How to provide reliable water in a warming world – these cities are testing small-scale treatment systems and wastewater recycling

  • Written by Lu Liu, Assistant Professor of Civil, Construction and Environmental Engineering, Iowa State University
How to provide reliable water in a warming world – these cities are testing small-scale treatment systems and wastewater recyclingWater treatment doesn't have to be one large, citywide system.Deepblue4you/E+ via Getty Images

A lot can go wrong in a large urban water system. Pumps malfunction. Valves break. Pipes leak. Even when the system is functioning properly, water can sit in pipes for long periods of time. Water shortages are also a growing problem in a warming world, as...

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