Before reading

Before reading the text about Environmental Protection think about these questions:

1. When did the problem of pollution become dangerous?
2. What problems threaten human lives on the Earth?
3. Why is air pollution harmful?
4. Is it dangerous to breathe polluted air?
5. What does the burning of fuel and fossil fuels produce?
6. What are the most dangerous pollutants?
7. What is the main reason for the greenhouse effect and acid rains on our planet?
8. Can we solve the problem of environmental protection?