The enemy but we can all work at the home front. and when we look back, sacrifice is not going to be the word we're use. >> it's a contribution. >> we're going to say it was a privilege to participate in saving the planet. >> if one decides we're going to change where we eat, where does that start? do i change the way that i eat? do we become vegans. we're looking at the carbon footprint of various foods and a serving of beef has a carbon footprint of 6.61 pounds. cheese is lower than that, pork is lower than cheese, poultry is lower than pork, eggs, milk, rice, legumes and carrots and potatoe...