In his 2006 best-selling book Omnivore's Dilemma, author Michael Pollan explores where our food really comes from and documents how the big business of growing, raising and processing what we eat affects our nation's diet, health and the environment.

Skyping from his home in Berkeley, California, Michael says what you eat is integral to cutting waste and pollution. "A lot of that garbage you saw was the result of food packaging. Agriculture changes the landscape more than anything else we do. It alters the composition of species," he says. "We don't realize it when we sit down to eat, but that is our most profound engagement with the rest of nature."

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