Tag Archives: green water

Water Footprint in Food Production

By Max Troell New studies that focus on the emerging issue of water usage in agriculture have been released. Researchers from the University of Twente, the Netherlands, have provided a comprehensive account of the global green, blue and grey water … Continue reading

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Mapping global flows of virtual green and blue water

Green and blue virtual-water ‘flows’ related to wheat trade by major exporting and importing nations (km3/year). The size of each pie is determined by the amount of virtual water ‘traded’. Countries with virtual-water ‘exports’ are depicted in green and countries … Continue reading

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Maping global virtual waters flows

Fig. 4. World map of virtual water exports. (a) Total virtual water exports (flows exceeding 10 km3 yr−1 are shown); (b) flows of virtual water exports originating from blue (irrigation) water (flows exceeding 1.0 km3 yr−1 are shown); and (c) … Continue reading

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