这个令人惊讶的事实自那时起就被环保人士频频引用，特别是这个事实就其本身就是素食主义倡导者们宣传减少肉类消耗的一个很好的理由。

This astonishing fact has been cited ever since by environmentalists and, in particular, vegetarian advocacy groups as a good reason in itself to reduce meat consumption.

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这就是为什么环境评论家反而呼吁减少全球牲畜生产，并敦促人们减少而不是增加他们饮食中的肉类消耗。

That's why environmental critics are calling instead for reductions in global livestock production, and urging people to consume less, not more, meat in their diets.

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WWF坚持声称他并非不让人们食用肉类奶制品，而是希望人们减少每周的消耗量。

WWF insists that it is not telling people to stop eating red meat and dairy, rather to reduce the portions eaten per week.

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