To eat corn directly is to consume all the energy in the corn, but when you feed that corn to an animal, 90% of its energy is lost... what this means is that the amount of food energy lost in the making of something like a Chicken McNugget could feed a great many more children than just mine, and that behind the 4,510 calories in our meal, tens of thousand corn calories could have been used to feed many more people.
( Michael Pollan )
[ The Omnivore's Dilemma: A ]
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