Language points
     It is certain that the earth is becoming warmer, but there are some very different attitudes towards the effects of global warming.      Some people think that if global temperature continues  going up, it would be a  disaster    . Global warming would  cause   a rise in sea level; others predict weather changes like severe storms, droughts, famines, heat waves, and heavy snowstorms, famines, the spread of diseases, and the destruction of species.      On the other hand, th ...