But they refused to commit themselves to a figure on helping developing nations battle climate change, saying they would wait to see what other countries offered first.

VOA: standard.2009.03.20

In fact, it's interesting to note that the first calculation on the impact of CO2 on climate was done in the late 1800's by Arrhenius.

很有趣地,是阿列纽斯在19世纪末,第一个做了的关于二氧化碳,对气候的影响的计算。

麻省理工公开课 - 热力学与动力学课程节选

It is a necessity. He believes that the first priority of any climate bill enacted by Congress must be to put a cap on global warming gases.

VOA: standard.2010.06.14

This is the first global conference that aims to tackle the problems that result from climate change and devise strategies to help nations adapt to these changes.

VOA: standard.2009.08.31

It is the first step toward an effective agreement on climate change,"

VOA: standard.2009.11.27

"The first question anyone, when they are told that they have to adapt to climate change, they are going to ask, 'What is that change I have to adapt to?

VOA: standard.2010.06.14