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1、What is happening to our earth?Global warmingGlobal warming What has caused the global warming?The effects of global warming Negative effects:1 cause the sea level to rise;2 severe storms;3 droughts;4 famine;5 destruction of species6 floodPositive effects:1 make plants grow faster;2 crops will produ
2、ce more;3 make life better What can we do about global warming?Skim the first letterSkim the first letterWhat is Ouyang Guang purpose?What opinion can you get from his letter?getting some suggestions for what he can do about global warmingas an individual,he can have no effect on environmental probl
3、emsSkim the second letterSkim the second letterDoes Earth Care agree with Ouyang Guangs opinion?Scan the second letterScan the second letter List Earth Care suggestions in the chart on page30,and discuss whether you can carry out each suggestion,give your reasons.No,together,individuals can make a d
4、ifference.Earth Cares suggestionCan you carry it outReasonIf you are not using electrical appliances,turn them off.Motor vehicles use a lot of energy,so walk or ride a bike if you can.Recycle cans,bottles,plastics and newspapers and buy things made from recycled materials.save energysave energysave
5、energyYesYesYesEarth Cares suggestionCan you carry it outreasonGet your parents or friends to buy products that are made to save energy.Plant more trees.Talk with your family and friends about global warming and tell them what youve learned.YesYesYessave energyPlants absorb carbon dioxide from the a
6、ir.Together,individuals can make a difference.Word study mitment2.put up with3.electrical4.so long as5.circumstance6.be casual about7.economical A.tolerant;bearB.belief;an opinionC.do sth using less time or moneyD.connected with electricity;using electricity E.only ifF.not showing much care or thoug
7、ht;not care about sthG.condition,situationColumn AColumn BDiscussing could we,as an individual do something about global warming?turn electrical appliances offwalk or ride a bikerecycle cans,bottles,plastics plant treesbuy products that are made to save energyeducate othersWritingWrite a passage about what we can do about global warming.Para 1:ProblemsPara 2:What causes the problems?Para 3:What we can do?Para 4:A slogan/a suggestion/a hopeThank you