单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit4 Global warming,Unit4 Global warming,人教版高中英语选修6：Global-warming_ppt课件,windmills,windmills,solar panels,solar panels,Hydro-electric power,Hydro-electric power,geothermal energy,geothermal energy,tidal energy,tidal energy,biomass energy,biomass energy,nuclear power plant,nuclear power plant,an oil refinery(,精炼厂,),an oil refinery(精炼厂),coal power station ,coal power station ,natural gas,natural gas,Coal,Oil,Natural gas,Uranium,Wind (wind power),Sun (solar energy),Water (hydro-electric power),Plant waste (biomass energy),Hot springs or geysers,间歇泉,(geothermal energy),The sea (tidal energy),Fossil fuels,Non-renewable,Renewable,CoalWind (wind power)Fossil,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.,What are fossil fuels? Ancie,Greenhouse,Greenhouse,Scanning,3.What are the names of the three scientists mentioned in the article?,Sophie Armstrong, Earth Care.,1. What is the main topic of the article?,Global warming/ the warming of the earth.,2.Who wrote the magazine article? What is the name of the magazine?,Dr. Janice Foster, Charles Keeling, George Hambley.,ScanningSophie Armstrong, Eart,4. What do they think about global warming? Do they agree with one another?,They dont agree with each other.,Dr. Janice Foster thinks the effects of,global warming could be very serious.,George Hambley thinks global warming will be mild with few bad environmental consequences.,Charles Keeling believes it is the burning of more and more fossil fuels that is resulting in a big increase in carbon dioxide.,4. What do they think about gl,5. What are the two graphs about?,The first graph shows the temperature increase of one degree Fahrenheit between 1860 to 2000.,The second graph shows the carbon dioxide content in the atmosphere from 1957 to 1977.,5. What are the two graphs abo,Careful-reading,1. The temperature last century didnt increase much.,2. Everyone believes that global warming is caused by the activities of humans.,3. Janice Foster believes that global warming is caused by the burning fossil fuels.,4. Natural gas is a greenhouse gas.,5. Carbon dioxide is a byproduct of burning fossil fuels.,Read the passage carefully and judge whether the statements are true or false.,T,T,F,T,T,Careful-reading1. The temperat,6. People accept Charles Keelings data because he took accurate measurements.,7. Flooding could be one of the effects of future global warming.,8. George Hambley believes scientists are just guessing about the effects of global warming.,9. George Hambley is worried about the effects of carbon dioxide on plant growth.,10. It is clear what the effects of global warming will be.,F,F,T,T,T,6. People accept Charles Keeli,1. How has the global warming come about?,2. What are the effects of global,warming?,Read again,Read again,1).Burning of fossil fuels,1. Causes of global warming:,2).Cutting too many trees,Greenhouse gases emission,1).Burning of fossil fuels1. C,2. Effects of global warming:,The ice on top of the mountain is melting,.,2. Effects of global warming:,The ice on the ocean is melting.,The ice on the ocean is meltin,The sea level is rising and the coastal cities will be flooded.,The sea level is rising and th,Extreme weathers:,hurricanes,droughts,etc.,Extreme weathers: hurricanes,d,Think about the generations and so we want to make a better place for children,and the children,s children, so that they know it,s a better world for them and then they would make it a better place!,Think about the generations an,Heal the world, Make it a better place, For you and for me And the entire human race,Heal the world, Make it a bett,There are people dying If you care enough for the living,There are people dying If you,Make a better place for you and for me,Make a better place for you an,For you and for me And the entire human race,For you and for me And,There are people dying If you care enough for the living,There are people dying If you,Make a better place for you and for me,Make a better place for you an,Heal the worldMake it a better place,Heal the worldMake it a bette,For you and for meAnd the entire human race,For you and for meAnd the ent,There are people dying If you care enough for the living,There are people dying If you,There are people dyingIf you care enough for the living,There are people dyingIf you,Make a better place for you and for me,Make a better place for,There are people dyingIf you care enough for the living,There are people dyingIf you,Make a better place for you and for me,Make a better place for you an,You and for me Make a better place,You and for me,You and for me,Make a better place,You and for me,Heal the world we are livingSave it for our children,Heal the world we are livingS,Heal the world we are livingSave it for our children,Heal the world we are livingS,Heal the world we are livingSave it for our children,Heal the world we are livingS,