"The Meat of the Problem"

http://www.washingtonpost.com/wp-dyn/content/article/2009/07/28/AR2009072800390.html?sub=AR

Two researchers at the University of Chicago estimated that switching to a vegan diet would have a bigger impact than trading in your gas guzzler for a Prius (PDF). A study out of Carnegie Mellon University found that the average American would do less for the planet by switching to a totally local diet than by going vegetarian one day a week."

Thanks Molly Rue :)