"The United Nations four or five years ago put out a study that said the meat industry, meat-eating, growing meat for food is the No. 1 killer of our planet - not No. 2 or No. 3: No 1. You know what's No. 2? Transportation. Everyone thinks that No. 1 is transportation, and goes out and buys a hybrid car. Screw the hybrid cars. Don't eat hamburgers."