Describe the effects of man on the ecosystem with emphasis on the examples of international importance (Tropical rain forest, oceans, and important rivers)
Describe the consequences of deforestation in terms of soil stability, climates and local human population.
Evaluate the effects of:
Water pollution by sewage, by inorganic waste and nitrogen containing fertilizers.
Air pollution by Sulphur dioxide and oxides of nitrogen (acid rain)
Pollution due to insecticides.