1. Global deforestation today accounts for 25% of the world’s annual increase in carbon dioxide.
2. About 11 hectares of tropical forests are cut down each year.
3.Tropical soils are generally nutrient poor.
6 Put four types of questions to each sentence.
1. The world includes a tremendous variety of living things.
2. The study of ecology increases our understanding of the world and its life.
7 Discussion Points. Do you agree or disagree to the following statements? Specify your answer and give your reasons.
- Tropical forests have been reduced by half. What would you do to change the situation?
- The ways of preserving of the earth’s evolutionary heritage.
- The loss of tropical rain forests is one of the most serious problems facing the world today.
Pre-reading task.