In terms of water consumption, the Guardian UK reported on a International Water Management Institute report in 2004 that stated, “Western diets, which depend largely on meat, are already putting great pressures on the environment. Meat-eaters consume the equivalent of about 5,000 litres (1,100 gallons) of water a day compared to the 1,000-2,000 litres used by people on vegetarian diets in developing countries.” Author John Robbins adds that it takes approximately 60, 108, 168, and 229 pounds of water to produce a pound of potatoes, wheat, corn and rice respectively. He says that a pound of beef requires 12,000 gallons of water.

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