• more information on this topic is available on the web through these links -- useful links environment 
• for more information and activities - see Hot or Cold Tutorial

video summary questions - answer after viewing the video.

1. What is the troposphere?

2. What has the temperature done in the last 100 years globally?

3. What is some evidence the world is getting hotter?

4. What year was the hottest year in 130 years?

5. What gas is being blamed or the increase?

6. How is the air captured from 20 thousand years ago ?

7. What social trend has been correlated to the rise in carbon dioxide in the atmosphere?

8. About what year did this trend begin?

9. Describe how carbon dioxide traps warmth on the earth and why this is both good and bad .

10. Name another factor in the warming of the earth.

11. Why is methane more significant?

12. What is the parting comment of the video ? What does it make you think?

13. What can humans do to stall the warming of the earth?
(name three things that you can do. )

for more information and activities - see Hot or Cold Tutorial