1、Unit 3 Environmental ProtectionReading and ThinkingDiscuss climate changeTo discuss climate changeTo learn to identify the style of this text and infer the writers purpose To learn to draw a diagramTo think about how we can do to deal with climate changeWhat phenomena can you identify from these ima
2、ges?What is the cause of these phenomena?Lead inClimate Change Requires the Worlds AttentionWe can see the global surface temperature.Yes,it may be about environment.1 Before you read,look at the graph and the picture below and discuss these questions in groups.1 What is the graph about?What informa
3、tion youll get from it?2 Have you ever seen the photo before?What might be the story behind it?Lead inPreparationHow to describe a process in a clearer way?You may use a diagram to show it!Reading1.Read the passage and match the main idea with each paragraph.Para.1 A.We need to do something to reduc
4、e greenhouse gas emissions.Para.2 B.The rise in temperature has caused natural disasters.Para.3 C.Earth is getting warmer and warmer.Para.4 D.A dead polar bear was found，which alarmed some experts.Para.5 E.Why is Earth getting warmer and warmer?Reading1.What happened to the polar bear in the photo?W
5、hy did the Writer write about it?2.Why is the“natural”,greenhouse effect important and necessary?3.What are the consequences of high greenhouse gas emissions?4.Why did the author mention the climate scientists warning?5.What is the authors purpose of writing this text?They appear to starve and die.H
6、e wants us to protect our environment.Without it,the earth can not sustain life.It can lead to extreme weather and natural disastersTo prevent us from paying a higher price.He wants us to protect our environment2.Read the text and answer the questions.ReadingDead polar bear in Norways Arctic island
7、of Svalbard A warming ocean and atmosphere along with melting ice and rising sea levels A graph showing rising global temperature Readingthe 1st and 2nd paragraphEvidence of climate change 3 2Evidence 1The _ is getting warmer and warmer.Evidence one:_Evidence two:_Evidence three:_a warming ocean and
8、 atmosphere Read paragraph one,and fill in the blanks.Earthmelting icerising sea levelsReadingTime Where What happenedHow did it happen2013Norways Arctic island of SvalbardA polar bear died of starvation.Paragraph 2 introduces an example of the increase in temperature that had an impact on Earths ec
9、ology.Read it and fill in the blanks.The bear cannot hunt food because of low sea-ice levels.ReadingPeople produce huge amounts of extra greenhouse gases by burning fossil fuels.Heat from the sun enters the atmosphere and warms Earths surface as short-wave radiation.Readingthe 3rd paragraphA key cli
10、mate process called the greenhouse effect A big problemDefinitionman-made keeping Earths climate warm and habitable FunctionDefinitionnaturalMore heat energy is trapped in the atmosphere and causes Earths surface temperature to rise quickly.Trap heat from the sun to keep the Earths sustainable life.
11、Read Paragraph 3,and figure out the reason why earths temperature rising.Green-house effect“Natural”greenhouse effect“man-made”greenhouse effectBy burning fossil fuels,extra greenhouse gases cause Earths temperature to rise.ReadingReadingExamples:News reports are frequently broadcast about extreme r
12、ainstorms and heatwaves causing deaths and economic losses.This warming trend will probably continue.an increase in extreme weather and natural disasters worldwide,causing serious damage and costing of human lives 3 2Consequences 1the 4th paragraphNegative effects of rise in global temperatureSummar
13、ize the main idea of paragraph 4,according to the diagram.Temperature risingExtreme weather&natural disasterSerious damage&human livesWe should take appropriate actions at once.ReadingReadingIndividuals:reduce our“carbon footprint”The government:making policies and taking appropriate actions and mea
14、sures The attention and awareness of everyone 3 2Solutions 1the 5th paragraph Solutions to the environmental problems“Things sound pretty bad what can we do to stop climate change?”Turn electrical appliances off when not using them.Put on more clothes,dont turn up the heat.Walk or ride a bike,dont d
15、rive.Recycle cans,bottles,plastic bags and newspapers.Buy things made from recycled materials.Buy products that use less energy.Plant trees.Talk with family and friends about global warming.A:We shall do something about global warming.Discussion:ExerciseDraw a diagram to show how the greenhouse effe
16、ct works SummaryEvidence and definitionNegative consequences Possible solutions Climate change:greenhouse effect Natural/Man-madeExtreme weatherNatural disastersIndividuals Government4.Discuss these questions in groups 1 What examples of extreme weather and disasters do you know?Can you make a list?
17、2 Do you think climate change is the result of human activity?Give your reasons.3 Who do you think should take responsibility for dealing With climate change?What can we do?Discussion:1.Write a composition with the title:Global warming in my eyes2.Read more information about environmental protection online,and then exchange information with their friends.
