- Definition of Environment - Scope of Environmental Studies and its applications - Importance with respect to the society - Relationship of Environmental Studies with other subjects (Multidisciplinary nature of Environment)
- Concept of Ecosystem - Biotic and abiotic components of ecosystem - Food Chain and Food Web - Ecological Pyramids - Energy Flow
- Water Pollution: Definition, sources and effects - Air Pollution-Definition, sources and effects - Noise Pollution-Definition, sources and effects
- Solar Energy and its uses - Wind Energy - Tidal Energy - Hydro Power
- Water and airborne Diseases; Potential and widespread effects, water and airborne bacteria and viruses, -public awareness of sanitation and hygiene issues and role of NGOs -WHO and other bodies and their role in public health projects development,