尽管减少煤烟(以及臭氧，作为一种工业污染物，它扮演着温室气体的角色)排放不能阻止夏季海冰的消失，但或许能减缓这一过程十到二十年。

Reducing soot (and also ozone, an industrial pollutant that ACTS as a greenhouse gas) would not stop the summer sea ice disappearing, but it might delay the process by a decade or two.

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每年，巴西的酒精生产量为130亿公升。专家认为，酒精是非常好的燃料，使用酒精，可以减少排放污染物及导致温室效应的气体。

Every year Brazil produces around 13 billion liters of ethanol, a fuel which specialists consider to be excellent and its use can lead to a reduction in pollutants and greenhouse gases.

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