这就为温室气体自然和人为排放的各种来源的量化开了方便之门。
This opens the door to quantifying greenhouse gas emissionsmade from a variety of natural and man-made sources.
自19世纪以来，全球气温大幅上升了约1摄氏度，这主要是人为排放造成的。
Largely because of human emissions, global temperatures have jumped by about 1.8 degrees Fahrenheit since the 19th century.
汞主要通过自然和人为排放而进入大气，其中燃煤排放是造成大气环境汞污染的重要因素。
The situation of mercury pollution is serious throughout the world, especially for the atmospheric mercury pollution caused by the combustion of coal.
它或许是甲烷的主要人为排放源，世界每年从1.3亿公顷稻谷中排放的甲烷大约为5000万至1亿公吨。
It is perhaps the main source of anthropogenic methane, with some 50 to 100 million metric tons per year emitted from the world's 130 million hectares of rice paddies.
城市化已引起大量痕量气态污染物、气溶胶以及臭氧前体物的人为排放，从而引起区域大气化学循环的扰动变化。
Urbanization has caused a large amount of emissions of trace gaseous pollutants, aerosols and ozone precursors, inducing the disturbance in regional atmospheric chemistry circulation.
以浙江沿海表层沉积物为研究对象，系统地研究了重金属有效结合态与沉积环境、矿物组成和人为排放等环境因素之间的相互关系。
The heavy metal effective species, sedimentary environment, mineral compositions and heavy metals released by human activities in surficial sediments along Zhejiang coastal area were studied.
目前，大气中人为增加的二氧化碳绝大中份是发达国家在过去150年内排被的，它们目前的排放量仍占全球人为排放量的四分之三。
The artificial contribution of CO_2 to the atmosphere has resulted, for the most part, from the emission of CO_2 in the last 150 years by the developed countries.
如今河流排放越来越受到人为干预管束，需要出台国际河流流域的协定。
Today, river discharges are increasingly controlled by human intervention, creating a need for international river-basin agreements.
一般认为砍伐树木导致了人为二氧化碳排放的20%，不过新的论文将数字修正为更接近12%。
The conventional figure is that tree-felling causes 20% of man-made CO2 emissions, but the new paper puts that figure at closer to 12%.
雨林已在减少，我们砍伐雨林的速度是这么地快，每年因雨林消失造成25%的人为二氧化碳排放，其排放量超过了飞机，火车和汽车排放量的总和。
Already, we are chopping them down so fast that it is causing 25 percent of man-made carbon emissions every year — more than planes, trains and automobiles combined.
尽管航空业排放的二氧化碳在人为导致的排放总量中只占大约2%，但此份额增长迅猛。
Although aviation accounts for only around 2% of man-made carbon-dioxide (CO2) emissions, that share is growing rapidly.
又一次，其损失数额没有出现在联合国粮农组织的统计中，导致的温室气体排放被看作是自然现象，而不是人为造成的。
Again, this loss does not show up in the FAO's figures, and the resulting emissions are considered to be natural, not man-made.
减轻气候变化的成本是当代人为了减少温室气体排放而应作出的牺牲。
The costs of mitigating climate change are the sacrifices the present generation will have to make to reduce greenhouse gases.
与此同时，更多的研究把极端气候事件与人为的碳排放联系起来。
Meanwhile, more studies linked weather extremes to man-made emissions.
研究小组发现人为甲烷排放自1999年起开始增加，尤其在北亚地区，这或许是中国经济增长在大踏步的前进造成的。
The team found that anthropogenic methane emissions began to increase in 1999, especially in northern Asia, probably a result of the fierce pace of growth of China's economy.
甲烷的排放，除了来自大自然，如海洋、永冻层和一些湿地外，也来自人为的污染。
Methane emissions are produced from natural sources such as oceans, permafrost, some wetlands, and also from human-made sources.
肉类生产所排放温室气体估计大约占引起全球变暖的人为因素排放气体量的18%。
Meat production is estimated to be to blame for around 18 per cent of the gases thought to cause man-made global warming.
目前CCS只是被推荐给发电站，因为他们是主要人为温室气体排放的来源。
CCS is only being proposed for power stations - which are a major cause of anthropogenic greenhouse gas emissions.
船舶操作性排放油污形成过程中具有许多人为因素，与事故性排放油污比较，有很多可以控制的环节。
The ships' operationally discharging the oil pollution have many artificial factors in its forming process, compared to the accidentally discharging, there are many links which could be controlled.
本文还对NMHC天然源和人为源的排放特征做了比较，得到一些初步结论。
Some difference of emission characteristics between biogenic and anthropogenic NMHC sources are also discussed in the paper.
本文还对NMHC天然源和人为源的排放特征做了比较，得到一些初步结论。
Some difference of emission characteristics between biogenic and anthropogenic NMHC sources are also discussed in the paper.
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