A Google Ngram Viewer chart shows that by 1993 climate change was already more commonly used in books than global warming.

一张谷歌词频统计图显示，到1993年时，在各类书中，气候变化这一词的使用频率就已经超过全球变暖。

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By the end of the next decade both words were used more frequently, and climate change was used nearly twice as often as global warming.

在下一个十年结束之际，这两个词的使用变得更加频繁，而气候变化这一词的使用频率几乎是全球变暖的两倍。

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Most of the science of climate change, particularly that to do with global warming, is simply a fact. But other aspects of the science are less certain or at least more disputed.

大多数关于气候变化的科学，尤其是有关全球变暖的科学，都只是事实。但科学的其他方面就不那么确定无疑了，或者至少争议更大。

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Critics say the messages show climate change scientists discussing ways to discredit other theories about global warming.

VOA: special.2009.12.12

Swan is optimistic that humans can take the necessary collective steps to address climate change and put the brakes on global warming.

VOA: standard.2009.12.10

Wednesday,China's envoy on climate change negotiation, Yu Qingtai,placed blame for current global warming trends squarely on developed nations.

VOA: standard.2009.11.26

No-one is denying that, if managed properly, biofuels such as ethanol can offer very subsatial benefits, and have a significant role to play in the battle against global warming and climate change.

CNN: Biofuel: Green savior or red herring?

"That's when I sat back and said, I just started a conversation about global warming and climate change and the parts per million of CO2 in our atmosphere on a NASCAR forum, " she said.

CNN: She's racing to save the environment

No matter how we argue in comfortable air conditioned lecture halls about global warming and climate change, we will still be able to fry eggs on the bleachers while teenagers eager to make the grade as college football players have two-a-day summer work outs.

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