Table 1 - uploaded by Hans Schreier
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... consumption of meat, particularly pork and chicken, has increased at far greater rates than population growth (Worldwatch 2001) and this has dramatic implications for water consumption. As shown in Table 1 to produce 1 kg of cereal grains requires approximately 1,000 liters of water while 4-5 times as much water is needed to produce 1 kg of chicken and more than 10 times as much water to produce 1 kg of beef. Adequate water needs to maintain a typical North American diet and lifestyle have been estimated at 5,020 liters per person per day (Smil 2001, Gleick 2001, while people in the developing world, with a significantly lower meat diet, require half that amount per person per day ( Figure 1). ...
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... Growing cereals also requires water and energy. To produce 1 kg of wheat, 900-2000 L of water are needed (Schreier, 2002). Energy is also needed to transport the finished product. ...
