And other problem that we all well-known is Global Warming. The major problem that affects everything on the world. For examples, the aberration of the climates, the melting of Green Land ice and the increment of world temperature. The Global Warming caused by pollution, greenhouse gas and Chlorofluorocarbon or CFC. The pollution caused by human who keeps producing and polluting. Moreover, with the overpopulation problem, the shortage of resources and the overflowing garbage. Our world just keeps worse, and worse.