The waste gas carbon dioxide is produced as a byproduct and disposed of when we exhale.

作为副产品的二氧化碳气体被我们呼出体外。

youdao

Another us delegate said informally that us opposition to mandatory cuts in emissions of the greenhouse gas carbon dioxide had not changed.

另一位美国代表非正式地表示，美国反对强制削减温室气体二氧化碳，这一立场没有改变。

youdao

Greenhouse gas emissions, such as carbon dioxide, are created in part by burning oil and coal for transportation and electricity.

VOA: special.2009.12.26

And as you know, carbon dioxide is implicated as a greenhouse gas.

你知道的，二氧化碳意味着温室气体。

麻省理工公开课 - 固态化学导论课程节选

They should get out and clear space around the vehicle to prevent the possibility of carbon monoxide gas poisoning.

VOA: special.2010.01.05

Which of the following countries had higher emissions of the greenhouse gas carbon dioxide, per capita, in 2008 than the other two?

CNN: Hey Earthling, it's Earth Day; time for a quiz

Understanding the changes caused by the volcanic eruption will help researchers predict how the oceans will respond to certain levels of the greenhouse gas carbon dioxide, Fraile-Nuez said.

MSN: Undersea eruption gives clues to effects of climate change

Clearing land to plant food for biofuel releases the greenhouse gas carbon dioxide (CO2) through ploughing and can involve deforestation, which reduces the "carbon sinks" - the trees that absorb CO2.

BBC: EU acts against harm from biofuel crops