Exercise 7. Find which of the words cannot be used in each sentence

1. Polluted air threatens / damages / affects / causes our health.

2. Factories and plants release a lot of waste / litter into the water and air.

3. Pouring / Releasing greenhouse gases into the air causes global warming.

4. Cutting down rainforests affects / poisons / damages wildlife.

5. Car fumes pollute / poison / damage the air.

6. Pouring / Releasing / Dropping liquid waste into rivers and seas causes water pollution.

7. Poisoning soils causes / affects a lot of plants to die.

Language work

Exercise 8. Do a survey on how your environment has changed in the last fifteen years and write a list of changes.

• Follow the steps:

1. In your group agree on four or five questions you are going to ask and make a questionnaire. Use the cues in the box or your own ideas.

2. Make a copy of the questionnaire for every student in your group.

3. At home interview your parents, grandparents, older brothers or sisters or neighbours. Take notes of the answers.

4. Write a list of your findings. The verbs in the box will help you.

Example: Two new shops have been built.

Warm-up