【正文】
nd war to us all。 as we drive slowly through the crowd, sounding the taxis horn, the dust, heat, noise and cooking fires made it like a scene from hell! i admit, frightening。 people washing。 overpopulation is the biggest source of pollution。 now more and more people are focusing on the nature。 it is no doubt that the nature is important to every human being。 lets take overpopulation as an example。 people talking。 to the nature, overpopulation is a big problem。 for most of the developing countries, it is a good idea to control the population growth。 we can make this world in which to live。 control the population growth。 and this plan