The so-called "low-carbon life"means that we have to try our best to reduce the cost of energy in our daily life thereby reducing the emissions of carbon dioxide and the pollutionofatmosphere.
Levels ofpollution present in the atmosphere are increasing.
大气中的污染程度正在加深。
《牛津词典》
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The other thing is that in some countries, the way that biofuel crops are grown and harvested still produces a great deal ofpollution—really damaging to the atmosphere.