The largest popullation causes many problems As we know,China has the largest popullation in the world,so the popullaton causes many problems. there are more and more less space to live,and some people can't find jobs so that they can't get enough food.They are too poor to live. the sky was lue, the river was clean,and the trees were tall,but in order to have a rich life,people make the sky is dirty, the river is black,I am afraid that we will have a bad life.I can't imagine that how can we live. Because of the popullation,there are many problems .who can tell me how to deal with it?