1. Composition of Earth Crust.
2. Composition of atmosphere.
3. Atmospheric Structure.
4. Green house effect/Global warming.
5. Ozone depletion
6. Acid rain
7. Forest conservation.
8. Sustainable Ecosystem.
9. Impact of population pressure on India’s environment.
10. Radio activity (Nuclear disaster).
11. Noise Pollution
12. The Earth Summits