Have a read of The Omnivore's Dilemma by Michael Pollan, and you'll be wondering even more. I'm not a vegetarian or vegan (meat is too tasty), but that book in

Have a read of The Omnivore's Dilemma by Michael Pollan, and you'll be wondering even more. I'm not a vegetarian or vegan (meat is too tasty), but that book in many ways changed how I shop for food.