Sentences with phrase «nitrogen dioxide spewed»
Meanwhile, China obtains roughly three - quarters of its electricity from coal, meaning the air in Beijing and other cities is thick with sulfur dioxide, carbon monoxide, and nitrogen dioxide spewed from power plants and coal - burning stoves.
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Heating systems in the United States spew over a billion tons of CO2 into the atmosphere each year and about 12 % of the nation's sulfur dioxide and nitrogen oxides.