China’s Virtual Water Flows: The Rich Get Richer, the Poor Get Thirstier

Virtual water flows in China. Copyright 2014 American Chemical Society.

New research shows that China’s wealthier and wetter southern provinces are draining already-scare water supplies from arid northern provinces, exacerbating shortages and increasing risk of crisis conditions.

The study, conducted by the International Institute for Applied Systems Analysis (IIASA) with the University of Maryland and published in the journal Environmental Science & Technology, uses the economic concept of “virtual water.” That refers to water tracked through trade of goods that require water to produce, as most do. The researchers say it is the first study to take water scarcity into account rather than treating all water as equal in the analysis.

The researchers say the study helps lay the groundwork for better water-resource management. One upshot is the idea that it might be smarter on the whole not to import water-intensive goods from the dry north to the wet south, even as the country gears up massive efforts to divert water in the other direction because of the shortages.

Read more:

The study: Virtual Scarce Water in ChinaEnvironmental Science & Technology

China’s arid north feeds water-rich south – Reuters

Following China’s water: a threat of scarcity – Nature World News

China’s hidden water footprint –

Virtual water highlights China’s hidden water footprint – Science 2.0

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Filed under Agriculture, Asia, Climate Change, Drought, Industry, Research, Rivers and Watersheds, Sustainability, Water Shortage

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