Words studyGlobal warming

Unit 4

Reading

The Earth is Becoming Warmer ---But Does it Matter?

A greenhouse is made of glass and is used for growing plants, especially during cold weather.

greenhouse

How?

We are living in a “green house”

?

1.Who wrote the magazine article? What is the name of the magazine?

→ Sophie Armstrong, Earth Care.2.What has caused the global warming?

2.What has caused the global warming?

It is human activity that has caused this global warming rather than a random but natural phenomenon.

How has global warming come about?

greenhouse gasesdue to the burning of fossil fuels

Summary:

greenhouse effect the burning of fossil fuels (human activity)

result in

greenhouse gases (carbon dioxide)

greenhouse effect

trap heat

global warming

cause

Summary: the burning of fossil fuels (human activity)

result in

greenhouse gases (carbon dioxide)

greenhouse effect

trap heat

cause

CO233℃

?

global warming

Scientist

Dr. Janice Foster

An increase of five degrees would be a c____________ .atastrophe

negative attitude

a rise of the sea levelsevere storms,floods droughtsfamines & diseasesthe disappearance of species

Different attitudes

Scientist

George Hambley

Any warming will be mild with _____________________. More carbon dioxide is a positive thing.

positive attitude

plants grow quickercrops produce moreencourage a greater range of animals

Life for human beings will be better.

few bad consequences

Different attitudes

Does that mean we should do nothing?

Or, are the risks too great?

The earth is becoming warmer—But does it matter?

What can we do about global warming ?

1. What’s the purpose of writing the e-mail?

2. What is the writer’s wrong attitude towards the problem about global warming?

getting some suggestions for what he can do about global warming

As an individual , he can have little effect on environmental problems.

Individuals can make a difference.Your contribution counts!

Slogan:

Suggestions:

*Turn electrical appliances off when not using them.* Put on more clothes and don’t turn up the heat.* Don’t drive. Instead, walk or ride a bike.* Recycle cans, bottles,plastic bags and newspapers.* Buy things made from recycled materials.* Buy products that use less energy.* Plant trees.* Talk with family and friends about global warming.

Charles Keelingmade accurate measurements

The temperature of the earth will be increasing.