文档介绍：Maldives (马尔代夫)
Unit 4 Global warming
Greenhouse
The earth
Please discuss Maldives (马尔代夫)
Unit 4 Global warming
Greenhouse
The earth
Please discuss how many kinds of energysources in the world?Talk with your partner and write down as many as youcan.
Please talk about it freely, ok?
Scan the passage and answer the following questions
Who wrote? What’s the name of the magazine?
Sophie Armstrong. “Earth Care”.
What are the names of the three scientists mentioned?
Dr Janice Foster, Charles Keeling, George Hambley
Is the global warming terrible?
Different people hold different opinions.
Let’s continue
What are the two graphs about?
The first graph shows the temperature of one degree Fahrenheit between 1860-2000.The Second graph shows the carbon dioxide content in the atmosphere from 1957-1997.
What’s the main topic of the article?
Global warming/ the warming of the earth.
True or false!
The temperature in last century didn't seem to increase much.
Everyone believes that global warming is caused by the activities of humans.
Janice Foster believes that global warming is caused by burning fossil fuels.
Natural gas is a greenhouse gas.
Carbon dioxide is a byproduct of burning fossil fuels.
T
F
T
T
T
True or false!
People accept Charles Keeling's data because he took accurate measurements.
Flooding could be one of the effects of future global warming.
George Hambley believes scientists are just guessing about the effects of global warming.
T
T
T
True or false!
George Hambley is worried about the effects of carbon dioxide on plant growth.
It is clear what the effects of global warming will be.
F
F
The different ideas between Dr. Janice Foster & George Hambley
Dr. Janice Foster
George Hambley
Carbon dioxide has caused the global temperature to __________. An increase of five degrees would be a ____________ and could be ____________