最重要的是，科学家们开始意识到气候变化对人类物种的进化有重大的负面影响。

Most important, scientists are beginning to realize that the climatic changes have bad a major impact on the evolution of the human species.

youdao

然而，仅仅意识到气候变化等同于威胁是不够的。

However, simply realizing that climate change is a threat is not enough.

youdao

等到我们意识到气候变化带来的威胁时，可能为时已晚。

By the time we wake up to the threat posed by climate change, it could well be too late.

youdao

We have seen the rise of a whole set of threats that we're not prepared to deal with, from climate change to global epidemics.

我们发现危机重重,我们还没有应对的准备，从气候变化到全球范围内的流行病。

普林斯顿公开课 - 国际座谈会课程节选