unit4 reading global warming. what is happening to our earth what is happening to our earth? global...

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Unit4 Reading Global warming

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Unit4 Reading

Global warming

What is happening to our What is happening to our earthearth?

Global warming

What has caused the global warming?

The effects of global warming

• Negative effects:• 1 cause the sea

level to rise;• 2 severe storms;• 3 droughts;• 4 famine;• 5 destruction of

species• 6 flood

• Positive effects:• 1 make plants grow

faster;• 2 crops will produce

more;• 3 make life better

What can we do about global warming?

•Skim the first letter•What is Ouyang Guang’

purpose?

•What opinion can you get from his letter?

getting some suggestions for what he can do about global warming

as an individual, he can have no effect on environmental problems

•Skim the second letter• Does Earth Care agree with Ouyang

Guang’s opinion?

•Scan the second letter• List Earth Care’ suggestions in the

chart on page30, and discuss whether you can carry out each suggestion, give your reasons.

No, together, individuals can make a

difference.

Earth Care’s suggestion Can you carry it out

Reason

If you are not using electrical appliances, turn them off.

Motor vehicles use a lot of energy, so walk or ride a bike if you can.

Recycle cans, bottles, plastics and newspapers and buy things made from recycled materials.

save energy

save energy

save energy

Yes

Yes

Yes

Earth Care’s suggestion Can you carry it out

reason

Get your parents or friends to buy products that are made to save energy.

Plant more trees.

Talk with your family and friends about global warming and tell them what you’ve learned.

Yes

Yes

Yes

save energy

Plants absorb carbon dioxide from the air.

Together, individuals can make a difference.

Word study

1.commitment

2.put up with

3.electrical

4.so long as

5.circumstance6.be casual

about7.economical

A. tolerant; bear

B. belief; an opinion

C.do sth using less time or money

D.connected with electricity; using electricity

E. only if

F. not showing much care or thought; not care about sth

G.condition ,situation

Column A Column B

Discussing

could we, as an individual do something about global warming?

• turn electrical appliances off• walk or ride a bike• recycle cans, bottles, plastics • plant trees• buy products that are made to

save energy• educate others

WritingWrite a passage about what we can do about global warming.

Para 1: Problems

Para 2: What causes the problems?

Para 3: What we can do?

Para 4: A slogan/a suggestion/a hope

Thank you