Air pollution improvments It is a serious problem which has influnced our daily life for a long period,at the same time,the goverment athorities pay more attention to the problem and propose strages to solve.i will describe as the following points. Industry is the main source of air pollution.when it works,a great deal of smoke produce and fly to the air.in order to reduce pollution,goverment advise factories move to place far from the city. Traffic is another cause.nowadays,with the develpment of science and technical,competion between people is more and more serious.in order to save time,car become a popular transportation method.in that case,gas from car is another reason of air pollution.restricte car number is a good way to solve the problem. Reused energy become popularity with people.for example,supermarket has gave up once used plastic bags and restaurant has alredady used reused food tools. As the points i discussed above,we can realise that our enviroment protecting is chinese residents's responsibilities.it will become better and better if we do efforts.