Climate models used to predict modern levels of man-made global warming, temperatures in the mid-Pliocene should have been lower.

用来预测现代的人为全球变暖程度的气候模型显示，中新世的气温应该更低。

youdao

But his view was that we should act as if the reports about man made global warming are correct - because we don't have another planet to experiment on.

但是，按他的看法，如果报告中人类导致全球变暖的说法是正确的，我们就应该采取行动-因为我们再没有另一个星球进行试验。

youdao

Climate scientists say Earth's climate also is changing thanks to man-made global warming, bringing extreme weather, such as heat waves and flooding.

气象科学家说地球的气候也在发生变化。人为造成的全球变暖带来了极端的天气，使得热浪肆虐，洪水泛滥。

youdao

But climate change skeptics have seized on the recent theft of thousands of private e-mail messages from computer servers at a British climate research center to cast doubt on whether global warming is as serious as it has been made out to be.

VOA: standard.2009.12.09

Surely this must be occurring more frequently as man-made global warming alarmists have predicted.

FORBES: He's Baaack!: A Hot New Media Blast From Al Gore

Why should the melting Arctic, a product of man-made global warming, be any different?

ECONOMIST: Climate change

It is true that nuclear energy does not produce carbon dioxide, the chief culprit behind man-made global warming.

ECONOMIST: A renaissance that may not come