Its peak, that is, there is the most carbon dioxide and methane gas, greenhouse gases in the atmosphere just after the beginning of the interglacial period.
它的峰值，就是在间冰期刚开始，大气中有最多的二氧化碳和甲烷气体，温室气体。
Also, things like the damming of rivers has caused increased sediment production, not to mention the addition of more carbon dioxide and methane in the atmosphere.
此外，河流筑坝等工程也增加了沉积物的产量，更不用说大气中二氧化碳和甲烷的增加。
Now, the typical pattern for an interglacial period—and we've studied several—is that the concentration of carbon dioxide and methane gas actually reaches its peak.
现在，我们已经研究过几个间冰期的典型模式，其中一种是大气中二氧化碳和甲烷含量达到峰值的情况。
When our Sun later became hotter, the continued removal of atmospheric carbon dioxide and methane by early bacteria kept Earth's climate from becoming too hot to sustain life.
当我们的太阳后来温度变得更高时，早期细菌持续清除大气中的二氧化碳和甲烷，使地球的气候不至于变得太热而无法维持生命的存在。
Natural bugs can turn out both hydrogen and methane.
天然的细菌可以生产氢气和甲烷。
Instead of lava, ash, and sulfur dioxide, these volcanoes spew mud and methane.
这里的火山喷涌出的不是岩浆、火山灰和二氧化硫，而是泥浆和甲烷。
The probable cause in this case: microbes digesting oil and methane gas from the spill.
这种情况可能是过量繁殖的嗜油和嗜甲烷微生物所导致的。
Others, such as nitrous-oxide emissions fromsoils and methane emissions from animals, cannot.
而另外一些却不能直接检测，比如从土壤中排放的一氧化二氮与从牲口身上排放的沼气。
Veganism might not be popular, but it can make a big difference to CO2 and methane emissions.
纯素食主义可能并不受欢迎，但对于二氧化碳和甲烷排放来说，它的减排作用非常大。
"Even in a warming world, a world choked by carbon dioxide and methane, cold persists," he writes.
“即使在这个逐渐变暖的世界里，在这个充斥着二氧化碳和甲烷的世界里，寒冷仍在努力存活”，他写道。
“Even in a warming world, a world choked by carbon dioxide and methane, cold persists, ” he writes.
“即使在这个逐渐变暖的世界里，在这个充斥着二氧化碳和甲烷的世界里，寒冷仍在努力存活”，他写道。
The ratio varies in the atmosphere, depending on where carbon-rich gases, mainly carbon dioxide and methane, are coming from.
其在大气中的不同比率取决于富碳气体——主要是二氧化碳和甲烷——来自何处。
To complicate matters further, nitrous-oxide and methane emissions from farms far outweigh carbon-dioxide emissions in global-warming potential.
为了将此焦点话题更加复杂化，一氧化二氮气体与沼气的排放量在全球变暖潜在因素中远远超过了二氧化碳的排放量并更具危害性。
Both carbon dioxide and methane absorb energy from sunlight and both leave a unique signature that can be measured to detect changes in intensity.
二氧化碳和甲烷都从太阳光中吸收能量，并且均可在光谱留下独特痕迹，能够探测出光强变化。
Gases like carbon dioxide and methane allow sunlight to reach the earth, but prevent some of the resulting heat from radiating back out into space.
像二氧化碳和甲烷这类温室气体能够让阳光照射到地球上，但却会将产生的一部分热量留在地球表面。
Now, industrial plants lease the land above the garbage. Warehouses, boat manufacturers and methane bottlers are some of the operations underway.
现在许多工厂租下了垃圾场上方的土地。例如正在建设中的工程有仓库、造船厂和罐装沼气厂。
Rising temperatures will melt the world's regions of permafrost, releasing more carbon dioxide and methane, which will raise temperatures even further.
温度上升将融化世界范围内的冻土层，释放更多的二氧化碳和甲烷，这将导致温度的进一步升高。
The emission of methane and nitrous oxide is largely the result of agricultural activities; nitrous oxide from fertilisers and methane mostly from cows.
甲烷和一氧化二氮的排放主要是农业活动的结果：一氧化二氮源于化肥而甲烷主要来自奶牛。
Where appropriate, emissions of other greenhouse gases, such as nitrous-oxide from soils and methane emissions from animals, are also taken into account.
其他温室效应气体的排放，比如由动物排放的氮氧化物和甲烷，只要是适用的，都要考虑进去。
People have looked at Earth's radiation reflected back to us from the moon, and you can actually observe the oxygen and methane and ozone in our atmosphere.
人们已经看到了从月球反射给我们的地球辐射，可以实际上观察到大气层中的氧、甲烷和臭氧。
If life exists, scientists expect the planet's rays to be embedded with tell-tale chemical fingerprints of atmospheric molecules, such as oxygen and methane.
如果生命存在，科学家们希望这个行星上的光线能够嵌入大气层分子的化学指纹位移指示器，像氧气、甲烷一类的气体。
The scientists said that past studies had reckoned that carbon dioxide and methane were released by a thaw of permafrost while nitrous oxide stayed locked up.
科学家说过去认为永冻土解冻会排放二氧化碳和甲烷，氧化亚氮则不会释放出来。
For example, aliens studying Earth from afar would note that oxygen and methane levels are 20 times greater than what would be expected if Earth were lifeless.
外星人在遥远的地方研究地球的话会注明地球的氧气和甲烷水平比预期的地球没有生命的水平高出20多倍。
According to the United Nations Environment Programme's Unit on Climate Change, "There is a strong link between human diet and methane emissions from livestock."
联合国环境规划署的气候变化部的人员指出，“人类的饮食和畜牧产品的甲烷排放量有密切的联系。”
Meat and dairy consumption is predicted to double by 2050 and methane from livestock is said to currently produce about 18 per cent of the world’s greenhouse gases.
据预测，在2050年前，肉和乳制品消费将翻一番，而且据说目前由家畜产生的甲烷约占世界温室
Giant plastic 'stomachs' in the sea could be used to digest seaweed farmed at the ocean surface, converting it into CO2 for burial and methane for cooking and heating.
海中巨大的塑料“胃”能够用来消化和吸收在海面上繁殖的藻类，将其转化为用来深埋的二氧化碳和用作燃料以做饭和加热的甲烷。
Giant plastic 'stomachs' in the sea could be used to digest seaweed farmed at the ocean surface, converting it into CO2 for burial and methane for cooking and heating.
海中巨大的塑料“胃”能够用来消化和吸收在海面上繁殖的藻类，将其转化为用来深埋的二氧化碳和用作燃料以做饭和加热的甲烷。
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