Dr. Mark Giordano, director of water and society research at the International Water Management Institute based in Colombo, Sri Lanka, believes the “green revolution,” developments in agriculture that led to huge increases in crop yields making food more plentiful in many parts of the developing world, has increased the strain on water supplies. It is becoming a difficult trade-off for governments to manage. Agriculture accounts for around 70% of global water usage.

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Source: http://online.wsj.com/article/SB100014240527487033

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