October 11, 2007--Our drinkable water supply is vanishing (Alternet.org)

Demand for water is doubling every 20 years, outpacing population growth twice as fast. Currently 1.3 billion people don't have access to clean water and 2.5 billion lack proper sewage and sanitation. In less than 20 years, it is estimated that demand for fresh water will exceed the world's supply by over 50 percent. The biggest drain on our water sources is agriculture, which accounts for 70 percent of the water used worldwide -- much of which is subsidized in the industrial world, providing little incentive for agribusiness to use conservation measures or less water-intensive crops. This number is also likely to increase as we struggle to feed a growing world. Population is expected to rise from 6 billion to 8 billion by 2050. Water scarcity is not just an issue of the developing world. Twenty-one percent of irrigation in the United States is achieved by pumping groundwater at rates that exceed the water's ability to recharge.

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