Significant reduction of exposure to air pollution can be achieved through lowering the concentrations of several of the most common air pollutants emitted during the combustion of fossil fuels.
通过降低燃烧矿物燃料期间释放的几种最主要的空气污染物的浓度，能够大量减少对空气污染的暴露。
A major disadvantage of coal combustion-and characteristic of industrial cities-has been air pollution by soot, dust, ash, exhaust and large amounts of the greenhouse gas carbon dioxide.
煤炭燃烧的主要缺点——也是工业城市的特色——是烟尘、粉尘、灰渣和废气以及大量的温室气体二氧化碳污染了空气。
Broadly, the pollution comes from combustion of fossil fuels - petrol or solid fuels - from cars, industry and home fires.
广义上讲， 这些污染物来自于汽车， 工厂和家庭石油和其他固体燃料等化石燃料的燃烧。
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