THROWBACK: How China’s ‘sponge cities’ aim to re-use 70% of rainwater
Groundwater over-extraction, waterway degradation, and urban flooding are forcing China’s cities to address a vicious cycle. Sprawling urban development and use of impervious material prevent soil from absorbing rainwater, prompting further investment in infrastructures that typically impede natural processes and worsen flood impacts.
China’s “sponge city initiative” aims to arrest this cycle through the use of permeable surfaces and green infrastructures. However…….
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