Unit 1: Knowing the Environment1. The Environment-Social and Natural
2. Human Dependence on.Environment
3. Interdependence of Plants and Animals
Unit 2: Natural Resources and their Utilisation4~ Natural Resources· and their Significance
5. Utilisation of Resources
6. Overutilisation of Natural Resources
Unit 3: Waste Generation7. Generation of Wastes and its Sources
8. Types of Wastes
9. Hazards of Waste Accumulation
10. Community Health and Sanitation .
Unit 4: Management of Waste11. Wastes and its Disposal
12. Conditions for Proper Waste Management