Dr Stuart Khan says more innovation is needed to achieve improved water security

By Matthew Kelly
Updated August 3 2019 - 11:33am, first published August 2 2019 - 12:00pm
Natural cycle: How large quantities of waste water can be replenished naturally. Groundwater is currently being replenished in Western Australia and Queensland.
Natural cycle: How large quantities of waste water can be replenished naturally. Groundwater is currently being replenished in Western Australia and Queensland.

Groundwater replenishment - the process of returning treated wastewater to the aquifer system for purification - was an under-utilised way of improving water security in response to climate change, an urban water expert from the University of NSW has argued.

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