1、Welcome,earthquake,floods,droughts,The earth is becoming warmer,The earth is becoming warmer - but does it matter?,What is mainly discussed in the passage?A. What has caused the global warming and whether it matters.B. What effects of the global warming will be.C. How serious the global warming coul

2、d be.D. What the global warming is.,Reading tips skim the title and Para 1: Title: THE EARTH IS BECOMING WARMER BUT DOES IT MATTER? Para 1: how has this come about and does it matter?,happen,Read and underline the topic sentences of each paragraph.,Para.1 So how has this come about and does it matte

3、r? Para.2 that it is human activity that has caused this global warming rather than a random but natural phenomenon. Para.3 All scientists subscribe to the view that the increase in the earths temperature is due to the burning of fossil fuels like. Para.4 the levels of carbon dioxide have increased

4、greatly over the last 100 to 150 years. Para.5 it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide. Para.6 the attitudes of scientists towards this rise are completely different. Para. 7 No one knows the effects of global warming. Does that mean we sh

5、ould do nothing?,agree,led to,How has this come about and does it matter?,Whats the question that has confused us a lot?,Who wrote the magazine article? Whats the name of the magazine?,Sophie Armstrong.,Earth Care.,Reading tips: In English, some nouns begin with a capital letter(大寫字母), such as names

6、 of people and places, titles(標(biāo)題) of magazines, newspapers, stories and books, peoples titles(頭銜), etc.,Part I,global warming,Part II,Para.2 Human activity has caused global warming.,Para.3 The increase of temperature is due to the burning of fossil fuels.,Para.4 The levels of carbon dioxide have in

7、creased greatly.,Para.5 The burning of more and more fossil fuels has resulted in the increase of carbon dioxide.,=This increase in carbon dioxide has resulted from the burning of more and more fossil fuels.,The attitudes of scientists to/towards the rise,Part III,The trend which increase the temper

8、ature by 5 degrees would be a catastrophe.,They are opposed to the view and believe that we should not worry about high levels of carbon dioxide in the air.,There may be a rise of several meters in the sea level, or predict severe storms, floods droughts, famines, the spread of disease and the disap

9、pearance of species.,It will make plants grow quicker; crops will produce more; It will encourage a greater range of animals- all of which will make life for human beings better.,The author probably agrees that _A. actually global warming is good for man.B. we should do nothing about the global warm

10、ing.C. catastrophes will happen if the globe keeps on warming.D. a lot remains to be found out about the effects of global warming.,Part IV,Choices: to do sth. or not,It is the burning of more and more fossil fuels like coal, natural gas and oil that is resulting in this increase in the earths tempe

11、rature. 2. The earth is becoming warmer. 3. An increase of five degrees in the amount of warming would be a catastrophe . 4. Any warming will be mild with few bad environmental consequences. 5. Greenhouse gases continue to build up in the atmosphere.,Fact or Opinion?,( O ),( F ),( O),( O ),( F ),Wha

12、t is NOT true according to the passage? The rise in carbon dioxide is causing an increase in global warming. B. Everyone believes that global warming is caused by the activities of human. C. George Hambley believes that global warming will do good to the earth. D. It is clear what the effects of glo

13、bal warming will be.,Discussion,Should we do something or nothing about the global warming? Why?,Step V Summary,The earth is becoming warming and all scientists _ _ the view that the increase in the earths temperature is due to the burning of _ _. Some _ of this process are called _, the most import

14、ant one of which is _. We need these gases, but the problem begins when we add huge _ extra carbon dioxide into the atmosphere. It means that more heat energy _ to be trapped in the atmosphere causing the global temperature to _. A scientist called Charles Keeling found that the carbon dioxide in th

15、e atmosphere went up from around,subscribe to,fuels,greenhouse gases,byproducts,carbon dioxide,quantities of,tends,go up,fossil,315 parts to around 370 parts _ million in 40 years. All scientists accept the date and agree the burning of more and more fossil fuels has _ this increase. However, the at

16、titude of scientists towards this rise is completely different. On the one hand, Dr. Foster thinks that the _ which increases the temperature by 5 degrees would be a _. On the other hand, George Hambley, who _ this view, believe that we should not worry about high levels of carbon dioxide in the air. They predict that any warming will be _ with few bad environmental _. But no one really knows the effects of global warming.,per,resulted in,trend,catastrophe,are opposed to,mild,consequences,Thank you!,1.What is “greenhouse gases”? Some byproducts of this process