The CO2 that astronauts breathe out is sucked away.

宇航员呼出的二氧化碳被吸走了。

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We cannot let the CO2 in the atmosphere rise indefinitely.

我们不能让大气中的二氧化碳无限制地升高。

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Some propose storing the CO2 in coal mines or liquid storage in the ocean.

一些人建议将二氧化碳储存在煤矿中，或以液体状态储存在海洋中。

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"The historic accumulation of CO2 is not as a result of anything that we have done,".

VOA: standard.2009.11.08

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

The beginning of the problems with CO2 and global warming.

二氧化碳和全球变暖的问题2,也从此产生。

麻省理工公开课 - 热力学与动力学课程节选

That is about a quarter of all the CO2 put there by humanity since 1750.

FORBES: To The Horror Of Global Warming Alarmists, Global Cooling Is Here

No one is claiming the CO2 sequestration plan makes this a "green" project, though.

FORBES: Magazine Article

In a conventional fossil-fuel plant that's prohibitively expensive, since the CO2 is mixed in with nitrogen.

FORBES