Billions of people in Asia and Africa already faced water shortages because of poor water management, he said. "We will not run out of bottled water any time soon, but some countries have already run out of water to produce their own food," he said. 200px|Experts say the price of water may double or triple over the next two decadesThe report said that a calorie of food took roughly 1 litre of water to produce . But a kilo of grain needed only 500-4,000 litres - while a kilo of industrially produced meat took 10,000 litres.
Billions of people in Asia and Africa already faced water shortages because of poor water management, he said. "We will not run out of bottled water any time soon, but some countries have already run out of water to produce their own food," he said. 200px|Experts say the price of water may double or triple over the next two decades The report said that a calorie of food took roughly 1 litre of water to produce , with a kilo of grain needing only 500-4,000 litres compared to a kilo of industrially produced meat taking 10,000 litres.
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