来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学 第10集》

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  The animal is a digestive machine:
  动物就是个消化机器
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  it consumes energy, it gives energy,
  它既耗能 又产能
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  and in the process creates byproducts, one of which is
  过程中还创造了副产品
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  methane, and that is affecting the environment.
  其一是影响环境的甲烷
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  This report from the Food and Agriculture Organization
  这篇来着粮农组织的报道
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  calculated the percent of total global emissions for carbon dioxide
  估算出畜牧业产生的二氧化碳
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  that come from just animal agriculture, now again
  强调一遍 是仅畜牧业不含种植业
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  not the other plant part of the picture but just the animals,
  占全球排放物的百分比
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  and they calculated of the carbon dioxide emissions in the world,
  他们计算的百分比为
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  9% come just from animal agriculture.
  9% 仅畜牧业
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  The methane emissions, it's 37%
  甲烷排放物占37%
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  and the nitrous oxide emissions it's this.
  一氧化二氮排放物占这么多