Unit 9 Saving the earth

Warming up南仓中学 胡可

The beautiful earth is our home.Do you love to live here?

garbage

deforestation

air pollution

deforestation

Water pollution

Can you imagine that this is the water they drink everyday?

The area of desert is growing. desertification

too many sheep and cattle

all the grass be eaten

grass never grow again ; the land become desert

trees be cutdown

nothing to hold…

soil be blown away

soil be washed into…

trees be destroyed fish be killed

earth

air

water

most seriousproblems

What causes the problem? Help

What can we do to solve the problem?

Waste from factories and cities should be stopped.

The harmful smoke should be made harmless before it goes into the air.

Help me ,help you, help everyone.

Return GREEN to the earth!

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situation

• A meeting is being held in an area where there is a lot of coal. Coal is a valuable resource that can be used to produce energy, but it can also cause serious pollution. You will attend the meeting and discuss the issue.

Use the role cards to discuss the situation and decide what to do.

• Different roles:• A businessman, a scientist, a local citizen, an

environmentalist and a local leader

Useful expression

• We must make sure that…• It’s clear that…• I believe that we must…• I’m all for…• If nothing is done…,then…• I can’t imagine that…• Sure/Certainly/Absolutely.• It would be better if we…• Is there a better way to…

Pros • A valuable resource• Produce energy• Offer jobs to citizens • Help develop economy• Make people earn more money • Money is important for children’s

education…• We are responsible for future• Use coal in a new and clean way

• Cons Cons

•It is bad for/harmful to our health

•Cause pollution

• Destroy the environment

• This damage isn’t repaired

• Only caring about making

money is so selfish

• Produce harmful/poisonous smoke

listening

• Carl has just returned from a trip to Egypt. As part of them that helps protect the earth’s water sources, he worked on a project to solve a serious problem.

• Listen to the interview on the tape and answer the questions on the next page.

Part 2Carl’s groups and the government made a plan to solve the problem. Complete the plan below with

information from the tape.• 1. Farmers and the government will

• 2. The farmers will from a group to oversee the

• 3. A special channel will be chosen.• 4. The farmers and the government will

the costs. The farmers will pay for the and the government will pay for away.

work together.

work.

cleaning day

share

cleaning equipment

taking the rubbish

Part 1The chart below shows how Carl’s group worked to solve the problem. Listen to the tape and fill in

the missing information.• Problem: The water channels are not functioning

properly.• Cause:

• Effect: The fields are not getting enough water.• Theory: The farmers don’t understand the problem.• Test: The people on the project

• Results: The farmers knew but didn’t the channels often enough.

The channels are used as rubbish bins and too many plants Grow where the water should flow.

though that the farmers simply didn’t understand the situation.

about the problem clean

Homework

• Group work:• Make a research on the environment

around you, and write an article to tell the others how to protect the environment.