If we were to one day encounter a form of life more powerful and intelligent than our own, and it regarded us as we regard fish, what would be our argument against being eaten?
Jonathan Safran FoerEating a piece of meat, at its most efficient, we could say is like throwing away six times that amount of food every time you eat it because you're recycling all those calories through it. I know a lot of people who came to this issue not through animal welfare but through wastefulness.
Jonathan Safran Foer