There are upsetting parallels today, as scientists in one wave after another try to awaken us to the growing threat of global warming.

今天也有令人不安的类似的事情，如科学家们多次试图让我们意识到全球变暖带来的日益严重的威胁。

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Should we try to stop global warming?

我们应该阻止全球变暖吗？

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People on both sides of the issue try to use scientific data as well as reasoning in order to prove whether global warming is real or not.

这一问题双方的人们都极力用科学数据以及推理来证明全球变暖到底是真还是假。

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"If you think about it, the use of energy in a city like New York can affect where the food is for these parents that have to try to feed their young in a warming world, " he says.

NPR: Pacific Island Cultures Brace for Climate Change

Congested roads, smog and fears about global warming have led many cities to try to change the way people move around.

ECONOMIST: Driving

This week, as delegates from more than 170 nations meet in Kyoto, Japan, to try to hammer out a new global-warming treaty, it is clear that this cautious attitude has completely turned around.

CNN: Hot Air In Kyoto