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virtual water trade

Today is World Water Day. On average, we consume 923 gallons* of water a day. Some of it is used for household needs and industrial goods like clothes. But most of it, 92%, is the virtual water embedded in the food we grow, through the water used to irrigate crops and to grow animal feed, and as drinking water for farm animals.

PNAS Study: Population Growth Will be Constrained by the Limits of Trading Virtual Water (Food) -- The study by the Proceedings of the National Academy of Sciences calls into question the unsustainable global food export system based upon unsustainable export volumes of virtual water.

Australia - The Water Report: 20 Years of World Water Day

‘Virtual Water’ – A New Way to Look at Climate Impacts - While international trade results in carbon emissions thanks to the fossil fuels burned by planes, trucks and ships, a Princeton University research team has found that world trade could also mean more efficient water use as a side benefit. And since water is a key resource in the production of climate-friendly energy sources, including hydroelectric and nuclear power, that could at least partially offset trade’s negative impact.

Which Nations Consume the Most Water?: Scientific American