The main reason behind the climate change is greenhouse gases. For our modern life style, we generate everyday a lot of amount of greenhouse gases. The deforestation and burning of fossil fuel causes the increase in these gases and consequently becomes the reason behind climate change. The climate change may cause the end of human being on earth. As due to the climate change the ice of the pole are melting every year with faster year. Once this ice will completely melt, most of the island on the earth will submerged in the ocean.