Heating this chemical compound drives off carbon dioxide gas leaving calcium oxide.

加热这种化合物会驱除二氧化碳气体，留下氧化钙。

However, many other human activities also let off carbon gases.

然而，很多其他的人类活动也会释放出碳气体。

12 Hours - Cigarettes contain a lot of known toxins including a harmful gas, carbon monoxide.

12小时-香烟含有大量已知毒素，包含一种有毒气体-一氧化碳。

Marshland plants absorb one of those key planet-warming gases, carbon dioxide, which then becomes buried in the mud.

沼泽植物吸收一种让地球变暖的关键气体，即二氧化碳，它会被掩埋在泥土中。

They have launched a project in an effort to better understand how one such gas, carbon dioxide, affects climate change.

他们发起一个项目，想更好地了解诸如二氧化碳这样的气体如何影响气候变化。

Since factories use a lot of energy and also let off carbon gases, it is important to recycle as much as possible.

由于工厂耗费了大量的能源，释放了碳气体。所以尽力回收是很重要的事情。

But greenhouse gases— carbon dioxide and methane— do absorb infrared wavelengths.

但是温室气体——二氧化碳和甲烷——确实会吸收红外线波长。

Another awesome innovation involves turning the carbon dioxide gas into a common household item -- baking soda!

另一项了不起的创新是将二氧化碳气体转化为常见的家居用品— —小苏打！

The two leaders likened the Amazon to the lungs of the planet. They noted how the rainforest takes in carbon dioxide gas and creates oxygen.

两位领导人将亚马逊比作" 地球之肺" 。他们特别提到了亚马逊雨林如何吸收二氧化碳并产生氧气。

Why can you even dissolve so much sugar in a can of soda and what about all that carbon dioxide gas?

为什么你甚至可以在一罐苏打水中溶解这么多的糖， 那么所有的二氧化碳气体呢？

Currently there are only a handful of monitoring towers across the Arctic that run year round and that measure both important greenhouse gases, carbon dioxide and methane.

北极地区当前全年工作的测量塔屈指可数，它们测量两种重要的温室气体：二氧化碳和甲烷。