Sophie Armstrong, Earth Care.

2. What are the names of the three scientists mentioned in the article?

Dr Janice Foster, Charles Keeling, George Hambley.

3. What do they think about global warming? Do they agree with one another?

They don't agree with each other.

Dr. Janice Foster thinks the effects of global warming could be very serious.

George Hambley thinks global warming will be mild with few bad environmental

consequences.

Charles Keeling believes it is the burning of more and more fossil fuels that is resulting in a big

increase in carbon dioxide.

The first graph shows the temperature increase of one degree Fahrenheit between 1860to 2000.

The second graph shows the carbon dioxide content in the atmosphere from 1957 to 1977.

4. What are the two graphs about?

The first graph shows the temperature increase of one degree Fahrenheit between 1860to 2000. The second graph shows the carbon dioxide content in the atmosphere from 1957 to 1977.

5. What is the main topic of the article?

Global warming/ the warming of the earth.

Step 3 Skimming

Read the passage carefully and judge whether the statements are true or false.

1. The temperature last century didn't increase much.

2. Everyone believes that global warming is caused by the activities of humans.

3. Janice Foster believes that global warming is caused b the burning fossil fuels.

4. Natural gas is a greenhouse gas.

5. Carbon dioxide is a byproduct of burning fossil fuels.

6. People accept Charles Keeling's data because he took accurate measurements.

7. Flooding could be one of the effects of future global warming.

8. George Hambley believes scientists are just guessing about the effects of global

warming.

9. George Hambley is worried about the effects of carbon dioxide on plant growth.

10. It is clear what the effects of global warming will be.

Keys: True: 3, 5, 6, 7, and 8 False: 1, 2, 4, 9, 10

Step 4 Detailed reading

Read the text carefully and try to find out how many parts we can divide the text into and find out the main idea of each part.