We’ll have to raise a staggering 120 billion animals a year by 2050 just to meet demand at the current levels; and this, obviously, is unsustainable. The only solution is to reduce demand and therefore production. Processed foods are also environmental culprits. Raising, manufacturing, storing, and transporting food accounts for 10 percent of all fossil-fuel use in the United States—about the same as France’s total energy consumption. Consider that a single can of soda (which offers about 150 nutrient-free calories) requires 2,200 calories of energy to produce, while the aluminum tray that
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