Unit 6 Environmental protection课件

1、Unit 6 Environmental protectionLead-in Can you tell the environmental problems in English?Air pollutionGlobal warmingWater pollutionChemical pollutiondesertification acid rain Can you list some effective ways to reduce environmental pollution?Useful expressions1, We should ensure that the world take

2、s action to reduce carbon emissions which are triggering huge and destructive climate change.2, Environmental problems have been recognized as an important source of threats to human survival.3, Many rivers and lakes are seriously polluted. Something must be done to stop the pollution.4, If everyone

3、 makes contribution to protecting the environment, the world will become much more beautiful.5, Environmental protection is closely related not only to our personal life, but also to the entire human race and the worlds further development.6, Air quality depends on many factors, most notably air pol

4、lution.7, Toxics are bad for the environment and can be deadly to humans and animals. Special use and care must be taken when dealing with toxics.8, Countries all over the world have taken measures to protect the environment.9, We must make good use of recycled substance so that we can save more and

5、 more natural resources.10, Natural disasters are considered to be the punishment from nature for humans overexploitation from it.DialoguesDialogue 1L=Li Lei W=Wang MingLi Lei, a journalist from FSTV, is interviewing Wang Ming, the Head of Environmental Protection Department of Foshan, about Foshans

6、 environmental problems.L: Good morning, Mr. Wang, I am Li Lei from FSTV. I am wondering if I could ask you some questions about Foshans environmental protection.W: Of course, go ahead.L: Thanks. What is the environmental situation in Foshan at present?W: The environment now in Foshan is much better

7、 than it was 5 years ago. Both the air and the water are much cleaner than before. Many trees are planted and pollutants are greatly reduced.L: I can feel the good changes. But what caused these changes?W: Well, in the past, there were a lot of factories which produced a lot of wastes. They polluted

8、 the water and the air and harmed peoples health. But in recent years, we have moved those factories out of Foshan so that the pollutants are greatly reduced. Therefore, you see, the environment is becoming better and better.L: I see. Thanks for the interview. I hope Foshans environment will keep be

9、ing improved.W: My pleasure.1.What is the general situation of environmental pollution in China?2.Should developed countries be condemned for serious pollution? Why?Discussion: S=Shirley L=LindsayDialogue 2Shirley and Lindsay are talking about environmental protection after a lecture by Albert Gore.

10、S: Hey, Lindsay, how do you think of Mr. Gores lecture?L: I think it was a great lecture, making me reconsider the relationship between human being and the nature.S: Definitely. His lecture about global climate change is thought-provoking. Its time for us to take some actions to stop global- warming

11、.L: Right. The greenhouse effect is becoming more and more serious. You know the sea level is rising at a terrible speed, and the temperature is becoming higher and higher. If the situation continues, our planet will become unlivable.S: Then we should try our best to reduce the CO2 discharge. Person

12、ally, we should take more public transportation tools and drive less cars.L: You are right. Everyone should do his part in protecting our planet.Discussion:How can we reduce the greenhouse effect?Classroom Activities 1. Work in groups, and find out as many ways to protect our environment as possible

13、. 1, plant more trees 2, go to school by bike 3, reuse our textbooks 4,turn off the taps in time 5, save water as well as electricity 6, use both sides of every piece of paper 7, turn off the lights when you leave the house 8, Open a window instead of turning on air conditioning 9, take your own clo

14、th bags when shopping instead of using a plasticreferenceClassroom Activities2. Debate: Does industry have to be developed at the expense of natural environment? The class is divided into two groups, one group holds the opinion “Industry is developed at the expense of natural environment” and the ot

15、her group holds the opposite opinion “Industry is not developed at the expense of natural environment”.Vocabularydeforestation 砍伐森林acid rain 酸雨global warming 全球变暖greenhouse effect 温室效应extinction n.灭绝recycle vt.回收exhaust emission 废气排放waste n.废物sewage n.污水toxic substance有毒物质ecological environment 生态环境

16、ecological balance 生态平衡pollutant n.污染物untreated sewage 未经处理的污水noise pollution噪音污染sewage purification 污水净化environmentalist n.环保主义者white rubbish 白色垃圾soil erosion 水土流失oil spills 石油泄漏waste disposal 废物处理waste recycling 废物再利用environmental degradation 环境恶化Extra vocabularyafforestation 植树造林shelter belt 防护林carbon dioxide 二氧化碳desertification 土地沙漠化organic pollutants 有机污染物residue 废渣Pronunci