A man collects what is left of a dried up reservoir on in Guiyang
County, Hunan Province of China. The drought has left 1.82 million
people short of drinking water in Guizhou Province and 290,000 people in
Hunan Province, following little rainfall in June and July 2011. Many
local crops have failed as well. Photographer: ChinaFotoPress/Getty
Images
Farmers will need 19 percent more
water by 2050 to meet increasing demands for food, much of it in
regions already suffering from water scarcity, according to a
United Nations report.
“In many countries water availability for agriculture is
already limited and uncertain, and is set to worsen,” according
to the fourth United Nations World Water Development Report
published today. “Concerns about food insecurity are growing
across the globe and more water will be needed.”
The UN Food and Agriculture Organization has said food
output must rise 70 percent by 2050 to feed a world population
expected to grow to 9.3 billion from 7 billion now and as
increasingly rich consumers in developing economies eat more
meat. A quarter of world farmland is “highly degraded” by
intensive agriculture that has depleted water resources, reduced
soil quality or increased erosion, according to the agency.
The UN’s latest warning about water shortages comes as the
World Water Forum begins today in Marseille, where ministers,
industry representatives and non-government organizations will
discuss resource management, waste, health risks and climate
change.
Fillon’s View
Mounting water shortages “are an unacceptable situation,”
French Prime Minister Francois Fillon told delegates in
Marseille, adding that while means exist to resolve water issues
indicators “like gross domestic product don’t reflect existing
problems.”
Agriculture accounts for about 70 percent of global
freshwater use and as much as 90 percent in some fast-growing
economies, according to the UN study. Groundwater can be “mined
to exhaustion” and in some areas availability has “reached
critical limits.”
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