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A friend just sent me this Washington Post article, "The Meat of the  Problem," reporting on several studies of the enormous effect going vegan--or even vegetarian--can have on climate change: "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. 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."

Put that in your pipe and smoke it....