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A report of the W.H.O.and the UNEO said, the air pollution has become a reality that all the citizen of the world have to face to. the human would die, if they staied in an envirnment which is filled with serious air pollution. the development of industrial culture and cities created not only a great wealth but also the tones of wastes in the atmosphere which is necessary for human survive, and now the atmosphere has already become a palce where is full of garbage and poison air. Now I’d like to tell you something about the smog.
SHI ZHONG FAN,