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Teaching Aims: 1. Participate in the discussion about these environmental problems to improve oral English. 1. Participate in the discussion about these.

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Presentation on theme: "Teaching Aims: 1. Participate in the discussion about these environmental problems to improve oral English. 1. Participate in the discussion about these."— Presentation transcript:

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3 Teaching Aims: 1. Participate in the discussion about these environmental problems to improve oral English. 1. Participate in the discussion about these environmental problems to improve oral English. 2. Enlarge the knowledge about the environment. 2. Enlarge the knowledge about the environment. 3. Think about what we can do for the environment. 3. Think about what we can do for the environment.

4 Why is the earth crying ?

5 Picture talking 1.What kind of pollution does this picture show? 2.If the factory is in your neighborhood, how do you think the smoke will affect you?

6 Picture talking 1. Why do people chop down so many trees every year? 2. What will happen if this continues?

7 Picture talking 1. What might be the reasons for the terrible forest fire in the picture? 2. Do you think the forest plays an important role in balancing nature?

8 Picture talking 1. Have you ever experienced any sandstorms or have you seen some on TV? 2. What measures has our government taken to better our environment?

9 Picture talking 1. What kind of pollution does this picture show? 2. Do you prefer to live with a factory nearby? Why?

10 Picture talking 1. How do you feel when you see piles of rubbish like this? 2. Do you think it possible for us to recycle some of the rubbish?

11 Picture talking The earth is facing serious problems Look at the picture above and discuss which ones are caused by nature and which ones are caused by man ?

12 What caused the destruction of the city of Pompeii? Mount Vesuvius erupted and lava, ash and rocks poured out of it onto the surrounding countryside. All the people in Pompeii were buried alive, and so was the city. Can you think of other natural disasters that damage the environment? Was the destruction of Pompeii caused by man or by nature?

13 earthquake Natural disasters ? Warming up

14 Let us learn more about Wenchuan earthquake: On Monday, May 12, 2008, at 2:28 p.m. China Standard time, a powerful earthquake recording M8.0 took place in Sichuan Province, killing 69,195people, with 18,392 missing. Many eye witnesses said they saw lightning flashed across the sky which was followed by a deafening roar just before the shaking began. On Monday, May 12, 2008, at 2:28 p.m. China Standard time, a powerful earthquake recording M8.0 took place in Sichuan Province, killing 69,195people, with 18,392 missing. Many eye witnesses said they saw lightning flashed across the sky which was followed by a deafening roar just before the shaking began.

15 Typhoon hurricane Natural disasters ? Warming up

16 Natural disasters Snow slide ? Warming up

17 Flood drought Natural disasters ? Warming up

18 earthquake Typhoon hurricane Flood drought Natural disasters Snow slide ? Warming up …

19 What caused the city of Loulan to disappear ? It was gradually covered over by sandstorms from AD 200 to AD 500. Was the destruction of Loulan caused by man or by nature? Can you think of other problems caused by man that damage the environment?

20 Air pollutio n problems ? Warming up Air pollution causes more than 2.7 million deaths in the world every day

21 Effects Effects Causes Causes Solutions Solutions Air pollution Make people get sick or even die. Make the environment dirty. Cause acid rain( ). Cause acid rain( ). Factories, power stations, cars, air conditioners give off waste gas. Burn coal and oil. The harmful smoke should be made harmless before it goes into the air. Ride bikes more. Limit the number of cars./Make cars that dont pollute the air.

22 Deforestatio n problems ? Warming up

23 problems Desertificatio n ? Warming up

24 Effects Effects Causes Causes Solutions Solutions Deforestation Desertification Cause bad weather (sandstorm). Lands or mountains turn into desert. Cause starvation. Lands or mountains turn into desert. Cause starvation. Cut too much wood. Rich surface soil will be blown away by wind or washed by rain down into rivers. Use less wood. Plant more new trees. Try to make desert areas become green land.

25 Water pollution problems ? Warming up It is estimated that over 1 billion peopleabout one fifth of the worlds population --dont have enough safe drinking water.

26 Effects Effects Causes Causes Solutions Solutions Water pollution Many people dont have enough clean drinking water. Make people get sick. Factories pour waste into rivers/lakes/seas. People throw rubbish into rivers/lakes. Use new technology and make stricter laws to make sure that factories are green and clean. Clean the water in the rivers/lakes. Save water in our daily life.

27 rubbish problems ? Warming up

28 Rubbish/waste pollution Effects Effects Causes Causes Solutions Solutions Make the environment ugly, dirty and even dangerous. Cause diseases. Throw rubbish in the streets or in nature. Buy products that use too much packaging. Throw waste in rubbish bins. Buy products that use less packaging. Recycle as much as possible. Buy products that use less packaging. Recycle as much as possible.

29 Water pollution Air pollutio n rubbish Deforestatio n problems Desertificatio n ? Warming up

30 April 22nd

31 Competition As a student, what can you do to reduce waste pollution and protect our environment? Discuss with your partners and write down the things you can do.

32 What can we do? × ×

33 What can we do? solar energy

34 Pass laws Plant trees April 22nd Earth day Control sand What can we do?

35 You can use the outline to help you with your oral report. The environment is of great importance to us. We should try our best to protect the environment. Firstly, we should ……. Whats more, ……. Last but not least, our government should ……. I believe with our efforts, the environment will be more and more healthy for our survival.

36 Write down what you will do to protect our environment. Exchange your ideas with your classmates.

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