Unit 3 Environmental protection Reading and Thinking (ppt课件) -2022新人教版（2019）《高中英语》选择性必修第三册.pptx

1、B6 U3 Reading and ThinkingEnvironmental ProtectionLook and discuss1.Whats happening in the photo?2.Why did it happen?The ice is melting.Because of the green house effect.What other influences of the greenhouse effect?the rise of sea levelanimals dyingcoastal cities submergednatural disastersextreme

2、weathereconomic lossesPPT下载 http:/ Climate change requires the worlds attention.How?Who?Look at the title and answer:A.The earth.B.Climate change and environment protectionC.The dead bearThis article is from _.A.An environmental magazineB.A diaryC.A novel D.A storySkim the text and guess:Read and ma

3、tch Para 1A.Solutions to reduce greenhouse gas emission.Para 2Para 3Para 4Para 5B.The influences of the rise in temperature.C.The problem that Earth is getting warmer and warmer.D.An example of a dead polar bear.E.The reasons of the increase in global temperature.Para 1 The problem that Earth is get

4、ting warmer and warmer.Para 2 An example of a dead polar bear.Para 1Para 2Part1 evidence Para 3 reasonsPart 2 Para 4influencesPart 3 Para 5solutionsPart 4 The development of the passageproblemexamplereasonsinfluencessolutionsPara 1:ProblemThe _ is getting warmer and warmer.Evidence 1:_Evidence 2:_Ev

5、idence 2:_Eartha warming ocean and atmospheremelting icerising sea levelsclimatechangeAnswer the questions according to the information in paragraph 1 and the graph below.1.What happened to the Earth?2.Can you list some evidence of it?The global climate has changed.The Earth is getting warmer and wa

6、rmer.A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate.Para 2:An example of climate changeTime Where What happenedWhy did it happen2013Norways Arctic Island of Svalbard.A polar bear died of starvation.The bear cann

7、ot hunt seals as before.1.What happened to the polar bear in the photo?2.How did it starve to death?3.Why did the writer write about the polar bear?The polar bear in the photo died of starvation.Answer the questions according to the information in paragraph 2.The writer wrote about it because it sho

8、wed one of the effects of rising temperatures due to climate change.Low sea-ice levels caused by climate change made the bear couldnt hunt seals as before.It had to travel greater distances in order to find food.”natural”&“man-made”greenhouse effectDefinitionHeat from thesun enters the atmosphere an

9、d warm the Earths surface FunctionKeeping Earths warm and habitableDefinitionPeople produce huge amounts of extra greenhouse gases.A big problemCausing Earths surface temperature to rise quickly.Para 3:The reasons1.What caused the increase in the global average surface temperature?2.Why is the“natur

10、al”greenhouse effect important and necessary?3.What are the greenhouse gases mentioned in the text?It is the“greenhouse effect”,including the“natural”and the“man-made”greenhouse effect.Check your answers.Methane and carbon dioxide.The“natural”greenhouse effect is important because it warms the Earth

11、s surface and keeps it habitable.4.Where did“man-made”extra greenhouse gases come from?5.What are the consequences of high greenhouse gas emissions?They came from peoples burning fossil fuels.High greenhouse gas emissions lead to more heat energy being trapped in the atmosphere and rising temperatur

12、es.Para 4:The influences of the rise in temperatureThe rise in temperature led toextreme weather/natural disasters exampleresultextreme rainstorms,heat wavesserious damage,costing human lives,economic losses1.What are the results of the rise in temperature?2.Why did the author mention the climate sc

13、ientists warning?The extreme weather and natural disasters rose worldwide,which caused serious damage and even cost human lives.The author mentioned the climate scientists warning because it is essential that we take action and so it needs to be brought to everyones attention.Answer the questions ac

14、cording to the information in paragraph 4.Para 5:The solutions to the environmental problems.0102The governments:make policies and take appropriate actions and measures.Individuals:reduce our“carbon footprint”1.What is the authors purpose of writing this text?2.What can we do to fight global warming

15、?*Governments:make policies and take appropriate actions and measures to reduce greenhouse gas emissions*Individuals:restrict the amount of carbon dioxide our lifestyles produce to reduce our“carbon footprint”The authors purpose is to inform the readers and inspire them to do whatever they can to de

16、al with this problem.Answer the questions according to the information in paragraph 5.The causesThe impactsThe solutionsThe present situation3._has now become a big problem.Huge amounts of extra greenhouse gases produced by burning fossil fuels cause 4._.Governments need to consider 7._ _ to reduce

17、greenhouse gas emissions.We as individuals can 8._by restricting the amount of carbon dioxide our lifestyles produce.The rise in temperature has led to 5._ _.News reports are frequently broadcast about extreme rainstorms and heatwaves 6._.The“man-made”greenhouse effect an increase in extreme weather

18、 and natural disasters worldwideEarth is getting 1._.2._ provide evidence of a dramatic change in the global climate.warmer and warmer making policies and taking appropriate actions and measuresreduce our“carbon footprint”A warming ocean and atmosphere along with melting ice and rising sea levelsEar

19、ths surface temperature to rise quickly causing deaths and economic lossesThe causesThe impactsThe solutionsThe present situation3._has now become a big problem.Huge amounts of extra greenhouse gases produced by burning fossil fuels cause 4._.Governments need to consider 7._ _to reduce greenhouse ga

20、s emissions.We as individuals can 8._by restricting the amount of carbon dioxide our lifestyles produce.The rise in temperature has led to 5._ _.News reports are frequently broadcast about extreme rainstorms and heatwaves 6._.The“man-made”greenhouse effect an increase in extreme weather and natural

21、disasters worldwideEarth is getting 1._.2._ provide evidence of a dramatic change in the global climate.warmer and warmer making policies and taking appropriate actions and measuresreduce our“carbon footprint”A warming ocean and atmosphere along with melting ice and rising sea levelsEarths surface temperature to rise quickly causing deaths and economic losses