AFP: Beatles legend and famous vegetarian Paul McCartney was joined by John Lennon's widow Yoko Ono Monday to launch an appeal for "meat-free Mondays."
McCartney said going vegetarian, even for just one day a week, was good for the environment because of research suggesting it cuts greenhouse gas emissions from the world's livestock population.
Some of the folks who came out to support Meat-Free Mondays:
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