Water demand in many countries will exceed supply by 40 per cent within 20 years due to the combined threat of climate change and population growth, scientists have warned.A new way of thinking about water is needed as looming shortages threaten communities, agriculture and industry, experts said.
In the next two decades, a third of humanity will have only half the water required to meet basic needs, said researchers.
Agriculture, which soaks up 71 per cent of water supplies, is also likely to suffer, affecting food production.Filling the global water gap by supply measures alone would cost an estimated £124billion per year, a meeting in Canada was told. (read more)
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