废气物 litter ; Waste
气体废物 gaseous waste ; gas waste
气态废物 gaseous wastes
气体废物处理 gaseous waste disposal ; gaseous waste treatment
废气混合物 exhaust-gas mixture
放射性气态废物 radioactive gaseous waste
废气废物排入环境 environmental emission
汽油发动机废气污染物 petrol engine exhaust emissions
废气污染物 exhaust emission
放射性气体废物 radioactive gaseous waste
核能比天然气的污染少，但是成本太高，而且因为放射性废物处置存在的高度危险性而被美国上下置疑。
Nuclear energy is less polluting than gas from a climate-changing perspective, but it is costly and viewed skeptically in the United States because of the dangers of disposing of radioactive waste.
根据弗吉尼亚州费尔法克斯的一个废物处理咨询机构Gershman, Brickner &Bratton的数据，超过36家其他美国企业正在计划建设等离子体炬合成气工厂。
More than three dozen other American firms are proposing plasma-torch syngas plants, according to Gershman, Brickner &Bratton, a waste consultancy based in Fairfax, Virginia.
但是，现在的空气污染正受到现代交通运输业的污染，尤其是天然气汽车，以及燃烧矿物燃料的发电机，把污染的化学废物倾倒在空气中。
Butt air is now being polluted by modern transportation, notably gas-powered automobiles, as well as electrical generators that burn fossil fuels and pour polluting chemical waste into the air.
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