Within 25 years England will not have enough water to meet demand, the head of the Environment Agency is warning.
The impact of climate change, combined with population growth, means the country is facing an "existential threat", Sir James Bevan told the Waterwise Conference in London.
He wants to see wasting water become "as socially unacceptable as blowing smoke in the face of a baby".
"We all need to use less water and use it more efficiently," he said.
For details: https://bbc.in/2TM5XFv