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What is Virtual Water?
Friday, 04 July 2008

Virtual water is the amount of water that is embedded in food or other products needed for its production. For example, to produce one kilogram of wheat we need about 1,000 litres of water, i.e. the virtual water of this kilogram of wheat is 1,000 litres. For meat, we need about five to ten times more.

| 18.03.2008 | Source: World Water Council |

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The Choice between Water and Crops
Tuesday, 22 July 2008

Following global food shortages, the Middle East and North Africa are confronted now with a fatal decision: Preserve the water supply for the desert areas or grow more corps. Read the full article from Andrew Martin at the New York Times from 21st of July.

Source:  The New York Times Company

 
IT Datacenter Water Consumption
Monday, 21 July 2008

An average 1 Megawatt datacenter consumes within its 10 year lifetime about 227 million liters or 227 000 m3 water,  65.8 tonnes of copper, 9.5 tonnes of lead, 15 tonnes of plastic, 33 tonnes of alumminum, 5.4 tonnes of soldering tin and 171 tonnes of steal. This was discovered by a recent studdy of the IX magazin.

Source:    iX 7/2008, S. 88: Rechenzentren

 

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Citations

'A nation that fails to plan intellegently for the development and protection of its precious waters will be condemned to wither because of its shortsightedness. The hard lessons of history are clear, written on the deserted sands and ruins of once proud civilisations.' Lyndon B. Johnson

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