The need to make urban water systems sustainable | video lecture


Part of University College London’s Lunch Hour Lectures.

Given by Dr Sarah Bell of the UCL’s Environment Institute

There’s also a 3 minute mini version available.

And if you haven’t got time for that than here’s the executive summary:

The big problems
– Overuse of water in cities in the developed world puts huge pressure on ecological systems and is not sustainable.
– The lack of basic sanitation and clean drinking water supply in cities in the developing world poses significant health risks

The solutions
– Widespread use of waterless sanitation (compostless toilets for example)
– The recycling of water for use in sanitation systems (rainwater harvesting for example)
– The redesign of appliances and houses to use less water, and, by implication, change the way we live



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