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11集 第11集》

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  There are many reasons for shrinking diversity
  多样性的减少有很多原因
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  and you see some of them listed here,
  这里列出了一些
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  but some of it has to do with the physical properties of the food.
  但有一些也与食物的物理特性有关
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  The green revolution has played a part in this,
  绿色革命对此有影响
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  genetic modification has played a part, etc.
  转基因也是一个因素 等等
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  There is a move afoot to try to reverse this problem
  有人想从根本上改变这个情形
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  and some of the things that have been done here
  例如
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  are ways that some activists groups have tried to
  一些激进分子组织试图
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  counter the shrinking biodiversity.
  阻止生物多样性的减少
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  Then the example you may have heard of
  有个例子最近影响很大
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  that has been most prominent recently,
  你们可能也听过
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  is called the Svalbard Global Sea Vault
  就是挪威某偏远小岛上的