精选优质文档-倾情为你奉上Ladies and gentlemen,Good morning, I am Li Hua from Tianjin, China . Its my great honor to be here to talk about the global warming problem and ways of dealing with it.Lately , global warming is becoming a serious problem. Several factors contribute to it. First of all, a lot of greenhouse gas is produced by cars and factories; furthermore, the loss of forests is another cause of global warming.Global warming will cause some harmful effects. Firstly, some islands will d
