
1. What resources did humans use to survive?
2. How dis humans' use of resources affect the environment?
3. What were the causes of natural resources' depleting?
4. How can we prevent the environmental pollution?
5. What are the evidences that people are fighting against pollution?
6. What kind of activities does the International Union for the Conservation of Nature and Natural Resources perform?
7. Is Russia involved in the protection of nature?
8. To what extent do current activities help protect the Earth?
9. What is the key to save the Earth?
10. Why does environmental pollution occur?