An extra 10 to 20 million people could be living in Australian cities by 2050, requiring more water supplies, more wastewater disposal, and greater energy use to provide these services.

Chapter 6 by Alan Gregory and Murray Hall

The increasing demands for water, energy, and other resources in cities are leading to new approaches to urban water as part of broader urban sustainability and liveability.

Melbourne CBD, Yarra River and urban parkland

There is considerable potential to improve urban sustainability by recovering water, energy, carbon, and nutrients from wastewater and reusing them in the city and as fertiliser for food production.

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