關於霧霾天氣的英語作文.100詞左右.要點：①多數人出門都會帶上口罩,有的人甚至給自己的寵物狗也帶上口罩.②産生問題的原因及危害.③應儅採取的防治措施..

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Air pollution is one of the most serious problems around the world
With the development of industry,there are many factories producing terrible gas.Many people have personal cars.They give out harmful gas into the air.They create air pollution.
Air pollution makes fog haze weather appear in many cities.It can cause traffic accidents.It can also cause sore eyes and breathing problems even cancer.It does great harm to people's health.
We should do something useful to make air clean and fresh.We can plant more trees.We'd better walk or ride bikes.Our government must pass laws against air pollution.It's our duty to prevent air pollution.