Pollution draft-2

There are more and more air, water and noise pollution in our cities today.. This pollution is made by our life. The main culprits are city buses, motorcycles and factories.Air pollution causes greenhouse effect; there is too much CO2 to make the temperature on the earth gets higher and higher. Therefore, we reduce a lot of water.Water pollution is the most serious pollution. Without water, we can't alive. But, in this industrialized country people are usually waste it. Some people think we have lots of water, they make dirty into the water, as a result, and we don't have clean water.Noise pollution, the cars and factories bring noise. Sometimes, we have diseases because of noise. Noise makes people moody or crazy. We can't own a place where is peaceful.Finally, we make many pollutions; there is only one earth. We have to try to stop other people from causing pollution and make our cities convenient places to live in.