smog作文

篇一：smog霧霾英語作文

Several places in Beijing were blanketed with thick yellow fog. Smoggy weather has become a lingering problem in China and the country faces a tough battle in its fight against serious air pollution, especially the northern parts.Haze is air pollution in which is mixed up with dust, smoke and other dry particles.

Cause:This kind of air pollutant come from a variety of natural and manmade factors.

The large amount of pollutant emissions, including coal-fired pollution, motor vehicle emissions, industrial pollution and dust, is the key reason.