Problems and solutions

Problem paragraphs
Air pollution is a serious ploblem because human, animal and plant can't alive without clean air. Air pollution is caused by human. For example, exhaust gas of vehicle, hazardous chemical substance from factory and so on. Air pollution might cause asthma for human. asthma is what spasmodic become difficult to breathe. Futuremore, it might cause pain of eye too. Air pollution isn't good for human body so we need to breathe clear air.

Solution paragraphs
First solution to the problem of air pollution is to put off the engine when a car doesn't drive. For example, when cars waiting for a traffic signal or when cars doesn't proceed for traffic jam. Second solution is to use hybrid car. This car move by electricity and gasolin. Electricity isn't come out exhaust gas. It's good for air pollution. Next, to reduce hazardous chemical substance from factory, we must reduce rubbish. To reduce the rabbish ,I think that we had better sell used things without throw away.(clothes, book and so on) So we should idling, use hybrid car and recycling. If we do it, air pollution will become less.