Teaching Aims:Teaching Aims:

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

2. Enlarge the knowledge about the 2. Enlarge the knowledge about the environment.environment.

3. Think about what we can do for 3. Think about what we can do for the environment.the environment.

Why is the earth crying ?

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?

Picture talking

1. Why do people chop down so many trees every year?

2. What will happen if this continues?

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?

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?

Picture talking

1. What kind of pollution does this picture show?

2. Do you prefer to live with a factory nearby? Why?

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?

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 ?

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?

earthquake

Natural disasters

?

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Let us learn more aboLet us learn more about Wenchuan earthqut Wenchuan earthq

uake:uake: On Monday, May 12, 2008, at 2:28 p.m. China Standard On Monday, May 12, 2008, at 2:28 p.m. China Standard

time, a powerful earthquake recording M8.0 took place time, a powerful earthquake recording M8.0 took place in Sichuan Province, killing 69,195people, with 18,392 in Sichuan Province, killing 69,195people, with 18,392 missing. Many eye witnesses said they saw lightning missing. Many eye witnesses said they saw lightning flashed across the sky which was followed by a flashed across the sky which was followed by a deafening roar just before the shaking began.deafening roar just before the shaking began.

Typhoonhurricane

Natural disasters

?

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Natural disasters

Snow slide

?

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Flooddrought

Natural disasters

?

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earthquakeTyphoonhurricane

Flooddrought

Natural disasters

Snow slide

?

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… …

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?

Air pollutio

n

problems

?

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Air pollution causes more than 2.7 million deaths in the world every day

EffectsEffects

CausesCauses

SolutionsSolutions

Air pollution

Make people get sick or even diMake people get sick or even die. Make the environment dirty.e. Make the environment dirty. Cause acid rain(Cause acid rain( 酸雨酸雨 ).). Factories, power stations, cars, Factories, power stations, cars, air conditioners give off waste gaair conditioners give off waste ga

s. Burn coal and oil.s. Burn coal and oil. The harmful smoke should be madThe harmful smoke should be made harmless before it goes into the aire harmless before it goes into the air. Ride bikes more. Limit the numbe. Ride bikes more. Limit the number of cars./Make cars that don’t pollutr of cars./Make cars that don’t pollute the air.e the air.

DeforestatioDeforestationn

problems

?

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problems

DesertificationDesertification

?

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EffectsEffects

CausesCauses

SolutionsSolutions

Deforestation Desertification Cause bad weather (sandstorm).Cause bad weather (sandstorm). Lands or mountains turn into deLands or mountains turn into desert. Cause starvation.sert. Cause starvation. Cut too much wood. Rich surface Cut too much wood. Rich surface soil will be blown away by wind or soil will be blown away by wind or washed by rain down into rivers.washed by rain down into rivers.

Use less wood . Plant more new tUse less wood . Plant more new trees. Try to make desert areas berees. Try to make desert areas become green land.come green land.

Water pollution

problems

?

Warming upWarming up It is estimated that over 1 billion people—about one fifth of the world’s population --don’t have enough safe drinking water.

EffectsEffects

CausesCauses

SolutionsSolutions

Water pollution Many people don’t have enouMany people don’t have enou

gh clean drinking water. Make gh clean drinking water. Make people get sick.people get sick. Factories pour waste into rivers/lFactories pour waste into rivers/lakes/seas. People throw rubbish iakes/seas. People throw rubbish into rivers/lakes.nto rivers/lakes.

Use new technology and make Use new technology and make stricter laws to make sure that stricter laws to make sure that factories are green and clean. factories are green and clean. Clean the water in the rivers/lakes. Clean the water in the rivers/lakes. Save water in our daily life.Save water in our daily life.

rubbish problems

?

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Rubbish/waste pollution

EffectsEffects

CausesCauses

SolutionsSolutions

Make the environment ugly, dirty aMake the environment ugly, dirty and even dangerous. Cause diseasend even dangerous. Cause diseases.s.

Throw rubbish in the streets or in nThrow rubbish in the streets or in nature. Buy products that use too mature. Buy products that use too much packaging.uch packaging.

Throw waste in rubbish bins.Throw waste in rubbish bins. Buy products that use less packagBuy products that use less packaging. Recycle as much as possible.ing. Recycle as much as possible.

Water pollution

Air pollutio

n

rubbish

DeforestatioDeforestationn

problems

DesertificationDesertification?

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April 22nd

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

What can we

do?

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√ ×

×√

√

What can we

do?

↖

↘↙

↗

solar energy

Pass laws

Plant trees

April 22nd

Earth day

Control sand

What can we

do?

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 …… . What’s more, …… . Last but

not least, our government should …… . I believe with

our efforts, the environment will be more and more

healthy for our survival.

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