Of course, solar activity is just one natural source of climate variability. Volcanic eruptions are another, spewing gas and dust into the atmosphere.
当然，太阳活动仅仅是气候变化的一个自然因素，火山喷发出气体和尘埃进入大气层也会带来这个结果。
In other words, there is only room in the atmosphere to burn or vent less than one quarter of known oil, natural gas and coal reserves.
换句话说，大气目前的承受量，仅能允许我们燃烧或排放已知储量四分之一的石油、天然气和煤。
Siluria Technologies, is pursuing an alternative method of converting natural gas to an oil substitute that would also involve releasing less carbon dioxide into the atmosphere.
一家开始运转的旧金山公司锡卢里亚技术公司正在寻求一种把天然气转化为石油替代品的方法，这将减少二氧化碳的排放量。
Carbon dioxide from the burning of oil, natural gas and coal is the main gas blamed for trapping heat in the atmosphere.
石油、天然气以及煤炭燃烧产品的二氧化碳是造成地球大气温室效应的罪魁祸首。
Methane, familiar to most people as the main component of natural gas fuels, is a greenhouse gas less common than carbon dioxide in the atmosphere but far more potent.
甲烷是人们所熟悉的一种气体，是天然气燃料的主要成分。
The results showed the natural gas is better than propane while natural gas or propane is made for controllable atmosphere.
研究表明：分别以丙烷气和天然气为原料气制备吸热式可控气氛时，天然气要优于丙烷气。
The results showed the natural gas is better than propane when natural gas or propane is used for controllable atmosphere.
研究表明，分别以丙烷气和天然气为原料气制备吸热式可控气氛炉气时，天然气要优于丙烷气。
But the difference is, on Earth, most of the carbon has been leeched over time out of the atmosphere, deposited in the ground as coal, oil, natural gas, etc.
但是区别在于，在地球上，大多数的碳元素已被从空气中吸取，储存在地下，以煤、石油、天然气等形式。
But the difference is, on Earth, most of the carbon has been leeched over time out of the atmosphere, deposited in the ground as coal, oil, natural gas, etc.
但是区别在于，在地球上，大多数的碳元素已被从空气中吸取，储存在地下，以煤、石油、天然气等形式。
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