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1、In 2002,I came to liuyang with my classmates in university. When I first met liuyang, I fell in love with it. There are many reasons for it. First of all, the air in liuyang is fresh because it is surrounded by many mountains, such as Dawei mountain. Secondly, people in liuyang are friendly to new c
2、omers. When I meet with trouble, they are willing to help me. Unfortunately, as a result of the growing number of cars and other reasons, the air in liuyang is becoming worse and worse.,Unit 2 The environment,1. What are the environmental problems in your living surroundings?,rubbish,air pollution,e
3、rupting volcano,earth-quake,cutting tress,problems,sandstroms,Any more?,tsunamis,water pollution,Which ones are caused by nature and which ones are caused by man?,Air pollution and rubbish are caused by man and the others by nature. Human beings can almost do nothing to prevent such natural disaster
4、s from happening.,tsunamis,cutting trees,water pollution,sandstroms,What can people do to solve the environmental problems above?,Throw waste in rubbish bins. Recycle as much as possible. Use less wood. Plant more new trees. Try to make desert areas become green land. Treat the waste water before po
5、uring it into rivers. Clean the water in the rivers/lakes. Save water in our daily life. Make smoke harmless before it goes into the air. Limit the number of vehicles. Develop clean energy.,Competition,As a student, what can you do to reduce pollution and protect our environment? Discuss with your p
6、artners and write down the things you can do. Divide the class into two groups. The group which has more ideas will be the winner.,GROUP A: GROUP B:,What caused the city of loulan to disappear?,It was gradually covered over by sandstorms from AD 200 to AD 500.,Can you think of other ways in which people damage the environment?,Remains of loulan,What caused the sandstorms?,Write down what you will do to protect our environment. Exchange your ideas with your classmates.,Homework,