The Top Ten Greenhouse Gases10. Sulfuryl FluorideThe new kid on the block, MIT scientists identified this cheETal as a greenhouse gas on March 11th, 2009. Used as a fumigant, Dow CheETals produces sulfuryl fluoride to kill termites. The cheETal, which is highly inert, has a lifetime of up to 40 years, and traps 4,800 times more heat per molecule than CO2. The cheETal only exists in 1.5 parts per trillion in the atmosphere, but according to the recent Journal of Geophysical Research, that number is going up by 5 percent a year.9. TrichlorofluoromethaneThis refrigerant has the dubious honor of contributing to warming on two fronts. Not only goes does trichlorofluoromethane retain heat 4,600 times better than carbon dioxide, but it also depletes the ozone layer faster than any other refrigerant. The high ozone-depletion rate results from trichlorofluoromethane’s tendency to shed chlorine molecules when struck with ultraviolet light. Chlorine, of course, is also a deadly toxin.8. Sulfur HexafluoridePrimarily used in the electronics industry as an insulator, this inert gas moonlights as a tracer for experiments around the wind dispersal of toxic gases during terrorist attacks. The Intergovernmental Panel of Climate Change (IPCC) deemed sulfur hexafluoride the world’s most powerful greenhouse gas, with the cheETal weighing in at a stout 22,200 times more heat trapping than CO2.7. HexafluoroethaneA cheETal used in the creation of seETonductors, hexafluoroethane is the Methuselah of greenhouse gases. While some cheETals linger in the atmosphere for mere decades, hexafluoroethane sticks around for排名前十位的温室气体10. 硫酰氟麻省理工学院科学家在2009年3月11日确定在销售中的这种气体为温室气体。

Dow CheETals生产的硫酰氟作为熏剂来杀白蚁。这是一种高度不活泼的化学药品温室气体有哪些，而且可以存活40年，每个分子可以比二氧化碳可以多吸收4800倍热量，这种化学药品在数万亿大气中只存在1.5部分，但根据最近的地球物理学调查报告显示，硫酰氟的量每年增长5%。9.三氯氟甲烷这种制冷剂在全球气候变暖两方面上有可以的荣誉。不仅三氯氟甲烷捕捉热量的能力比二氧化碳强4600倍，它比其他制冷剂消耗臭氧层更快。臭氧层消耗的很快主要是由于三氯氟甲烷在接受光照的条件下可以释放氯气分子。氯气当然也是致命的毒素。8六氟化硫六氟化硫起初在电子工业领域用作绝热材料臭氧检测仪，这个惰性气体在测试有毒气体在空气中传播的恐怖袭击中也用作追踪者。政府间的气候变化委员会也认为吸收的热量是二氧化碳的22，200倍的六氟化硫是世界上最有力的温室气体7.氟代乙烷用于半导体生产的化学药品氟代乙烷是玛土撒拉的温室气体。就像其他化学药品能在空气中存在几十年一样煤气报警器，氟代乙烷可以在大气中存在10，000年。那么长的寿命加上他吸收热量的能力超过二氧化碳9200倍使他10,000 years. That longevity, combined with heat retention 9,200 times greater than carbon dioxide, makes hexafluoroethane a cheETal the IPCC keeps a close eye on.6. TrifluoromethaneTrifluoromethane, also called fluoroform, serves two purposes, finding use in the etching of silicon computer chips and as a fire suppressant. By far the most abundant of the hydrofluorocarbons, trifluoromethane has an atmospheric lifetime of 260 years and traps 11,700 times as much heat as carbon dioxide.5. OzoneUsually when ozone comes up in the climate debate, the talk centers on a general lack of it. In fact, ozone is also a potent greenhouse gas. But because ozone isn’t equally distributed around the globe, we have simultaneously too much of it (man-made ozone in the lowest part of the atmosphere traps heat and warms the planet), and too little of it (fluorocarbons deplete ozone in the upper atmosphere responsible for shielding the ice caps from solar radiation).4. Nitrous OxideBy far the most fast and furious of the greenhouse gases, nitrous finds uses in rocket fuel, making cars more awesome, and as a recreational drug. However, those indulging in huffing and street racing should be aware that laughing gas ranks as the fourth leading cause of the greenhouse effect.3. MethaneThe main component of natural gas and cow farts, methane comes in as the number three worst offending greenhouse gas. The IPCC freely admits that it does not fully understand the methane cycle, and identifies methane release as coming from natural sources like swamps and termites, and from man-made sources like landfills and cow farms.2. Carbon DioxideDespite getting all the press, carbon dioxide only ranks as the second largest contributor to 成为政府间气候变化委员会密切关注的气体。

6.三氟甲烷三氟甲烷，也叫做三氟甲，有两方面的作用，在蚀刻电脑硅芯片方面和燃烧的遏抑剂方面有重要作用。到目前为止，足量的碳氟化合物，三氟甲烷在大气中可以存在260年，其捕捉到的热量相当于二氧化碳捕捉热量的11700倍。5.臭氧通常情况下在关于气候的辩论中抽样问题常被作为谈论话题，讨论的中心话题往往是臭氧的缺失。事实上，臭氧也是一种潜在的温室气体。但由于臭氧不是平均分配在地球上温室气体有哪些，我们太需要臭氧了（在大气的最低部分的人造臭氧能够吸收热量使地球温暖），但它又太少了（碳氟化合物在高空中消耗用于抵挡紫外线的臭氧）。4.一氧化氮到目前为止最飞快的温室气体含氮化合物在火箭燃料领域发现新的用途，使汽车更好，作为一种供娱乐的药品。然而温室气体有哪些，那些沉溺于虚张声势和街头飙车的人应该意识到笑气温室气体排名中处于第四位。3.甲烷天然气和动物粪便的主要成分。甲烷以第三位最有危害的温室气体。政府间气候变化专门委员会承认甲烷的循环过程还不清楚，甲烷可以从自然资源中释放，比如沼泽和白蚁，也可以从人造资源中产生，比如废物填埋场和畜牧场。2.二氧化碳尽管各大报刊都刊登二氧化碳是第二大导致温室效应的气体。对于那些在Al Gore残 global warming. For those who managed to stay awake while listening to Al Gore’s relentless monotone, you can skip ahead to number one. But for all of those who drifted off, let’s reiterate that CO2 is a by-product of the combustion of fossil fuels as well as cellular respiration, and carbon dioxide generated by human industry contributes to the warming of the planet.1. Water VaporWater? Water?! Water! Yes, according to the IPCC, steam accounts for 36-70 percent of the greenhouse effect. Fog, haze and clouds are all water vapor, and steam is the other main byproduct of the combustion of fossil fuels. Worse still, warming causes a positive feedback loop as higher temperatures result in more water vapor, which results in higher temperatures, and so on and so on. Now the next time someone asks you about your carbon footprint, you can ask them about their steam footprint, and see if that patchouli-scented hippie knows the main cause behind the greenhouse effect.酷的单调的报告上保持清醒的人，你能够提升到第一。

对于那些漂走所有的东西，我们还要重申二氧化碳是化石燃料燃烧的副产品，也是细胞呼吸作用的副产物，人类工业产生的二氧化碳也促成地球气候变暖。1.水蒸汽水？水？水！是的，政府间气候变化专门委员会指出水蒸气组成温室气体的36-70%。雾、烟和云都是水蒸气，而水蒸气是化石燃料燃烧另一个主要的副产品。更糟糕的是，气温持续上升会带来一个积极地反馈回路，即高温会产生跟过的水蒸气，这些水蒸气会是气温更高，以此类推。现在如果下次有人问你的碳脚印，你就可以问他们他们的水蒸气脚印，并且广藿香在温室效应的影响。

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