The CO2 that astronauts breathe out is sucked away.
宇航员呼出的二氧化碳被吸走了。
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。
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。
But where did the CO2 come from?
但是这些二氧化碳从哪里来？
The catalyst in the CO2 system is even slower.
在二氧化碳系统中的催化剂效率则更低了。
In this system, the first step is to dissolve the CO2 in water.
在这个体系中，第一步是将二氧化碳溶解于水中。
Unless the burning of fossil fuels decreases, then the CO2 will not decrease.
除非减少矿物燃料的燃烧，否则二氧化碳不可能减少。
Likewise, the CO2 emission results generated by AMEE have default units of kg/year.
同样，AMEE生成的CO2排放结果的默认单位是kg/year。
Choosing a previously owned espresso machine saves 90% of the CO2 needed to produce a new one.
选择一个以前有的煮咖啡机将才省90%的二氧化碳(如果制造一个新的话)。
About one-third of the CO2 released into the air by humans each year is soaked up by the oceans.
每年，海洋大约会吸收大气中人类释放的三分之一二氧化碳。
If you want to get back the CO2 value of the data you have just stored, you will want to do this.
如果您想得到刚才存储的数据的co2值，您就需要传递这个参数。
In other words, you have to burn about 25 percent more coal just to remove the CO2 from the coal.
也就是说，你必须再多消耗25%的煤炭才能将原先产生的二氧化碳去除。
Green. Speaking of cars, apart from the CO2 from your breathing, bikes don't release toxic gases.
说到汽车，除了呼吸排放的二氧化碳，自行车不排放有毒气体。
Once you ramp up production, the costs come down and more importantly the CO2 emissions come down.
一旦产量上升，成本就会下降，更重要的是，这会减少碳排放。
Burning coal produces roughly twice the CO2 emissions of even another fossil fuel like natural gas.
烧煤约产生比燃烧其它如天然气之类的矿物燃料高两倍的二氧化碳。
In this form, the CO2 should maintain its integrity, preventing it from being absorbed by the seawater.
在这种形态下，CO2应该会保持其特性而不会被海水吸收。
The team calculated the CO2 emissions based on the amount of electricity generated by nuclear power in France.
设计小组计算CO2的排放量是基于法国核电的电能产生效率。
These carbon suckers would employ fans to move air through a solution of sodium hydroxide, which absorbs the CO2.
这些碳吸收器利用风扇把空气吹过氢氧化钠溶液，吸收CO2。
The CO2 is prevented from going into the atmosphere as a greenhouse gas, and you get both olive oil and chickens.
温室气体二氧化碳将被阻止进入大气，你将收获橄榄油和肉鸡！
The CO2, as it's converting a solid fuel to a gas, also has the ability to react with the carbon char that is forming.
在将固体燃料转换为合成气时，二氧化碳也会与正在形成的焦炭反应。
The profile of the CO2-to-methanol approach has been boosted by support from chemistry the Nobel Laureate George Olah.
二氧化碳转化为甲醇方法的资料受到了诺贝尔化学奖获得者乔治·奥拉（GeorgeOlah）的支持和肯定。
Outside scientists say the CO2 advantages of the system will depend on how it is designed, including where it gets its energy.
科学家们对外宣称，该系统中二氧化碳独有的优势将取决于其设计思路，其中包括能量来源。
This in turn would lead to less pollution as the CO2 of major cities were absorbed by the abundance of plant-life being grown.
这反过来将造成较少污染，因为城市产生的二氧化碳被丰富的植物吸收。
This in turn would lead to less pollution as the CO2 of major cities were absorbed by the abundance of plant-life being grown.
这反过来将造成较少污染，因为城市产生的二氧化碳被丰富的植物吸收。
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