People are being encouraged to go meat free to mark World Vegetarian Month.
But it's not just about saving animals and the planet; people are also turning vegetarian for health reasons.
Former US President Bill Clinton went vegan after being diagnosed with heart disease, joining a long list of vegetarian and vegan celebs including Carl Lewis, Judy Dench and Pink.
Meanwhile, animal welfare group SAFE is challenging people in New Zealand to try vegetarianism for 30 days to mark World Vegetarian Month.
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