Upper Intermediate Stories

Greenhouse Gases

You will hear a story about greenhouse gases.
Listen and answer the questions.

1. What is increasing the level of greehouse gases and changing the earth's climate?

2. When was there 30 percent less carbon dioxide in the air?

3.How much higher is the the level of methane than it was 200 years ago?

4. How much higher are the levels of nitrous oxide?

5. Why will some islands and major cities be uninhabitable?