广昌二中高二13班_unit4_global_warming_王小梅浅析.ppt

What are fossil fuels? Ancient animal and plant material below the surface of the earth with a high carbon content, such as coal, oil and natural gas, which can be burnt to produce energy. Also known as non-renewable energy because once they are used they have gone forever; they cannot be renewed. part1 part2 Graph 1 shows the temperature increase of one degree Fahrenheit between 1860 to 2000. Questions How has the global warming come about? The two different viewpoints towards the effects of global warming between Dr. Janice Foster and George Hambley Of the two ideas, which are you in favor of ? The Dr Janice Foster’s. destruction of species Why ? Because we have witnessed a large number of disasters predicted by some people. 1. The author probably agrees that ______. A. actually global warming is good for manB. we should do nothing about the global warmingC. catastrophes will happen if the globe keeps on warmingD. a lot remains to be found out about the effects of global warming. The temperature last century didn’t increase much. 2. Everyone believes that global warming is caused by the activities of humans. 3. Janice Foster believes that she can measure the future global rise in temperature. True or false 4. The rise in carbon dioxide is causing a steady increase in global warming. 5. George Hambley believes that global warming will do good rather than harm to the earth. 6. It is clear what the effects of global warming will be. Summary Global warming has attracted the world’s attention ,because it affects us and will affect our later generations. Even though we are not sure about the effects of global warming, we should still hope for the best, prepare for the worst. 怀最好的希望，做最坏的打算。 What should we do about the terrible effects above? . . Try to reduce the use of motor vehicles electric vehicle bike running Solar energy car Planting trees Cleaning the rubb