Former California Governor Arnold Schwarzenegger says people should go meat-free one or two days a week to protect the climate.
Asking people to go totally vegetarian would be too demanding, he said.
It would better to suggest giving up meat once or twice a week, he added.
When asked how young men would achieve a body like The Terminator - the cyborg assassin in the film of the same name - without steak, he said many successful body-builders avoided meat.
"You can get your protein many different ways," he told BBC News.
"I have seen many body-builders and (weight) lifters that are vegetarians.
"My friend recommends stop eating meat. I think that's a good idea but people won't buy in.
"People will buy in to stop eating meat one or two days a week - you have to start slowly. It's a very big challenge but it doesn't mean it shouldn't be done."
Read Full Story here