NIOS Senior-Secondary Environmental-Science Notes Designed for UGC-NET, UPSC-CSE, SSC
- NIOS Environmental Science Chapter 1 Origin of Earth: Part 1 to 2
- NIOS Environmental Science Chapter 2 Environment and Human Society: Part 1 to 2
- NIOS Environmental Science Chapter 3 Degradation of Natural Environment: Part 1 to 2
- NIOS Environmental Science Chapter 4 Principle of Ecology: Part 1 to 3
- NIOS Environmental Science Chapter 5 Ecosystem: Part 1 to 2
- NIOS Environmental Science Chapter 6 Natural Ecosystem: Part 1 to 2
- NIOS Environmental Science Chapter 7 Human Modified Ecosystem: Part 1 to 2
- NIOS Environmental Science Chapter 9 Deforestation: Part 1 to 2
- NIOS Environmental Science Chapter 11 Environments and Health: Part 1 to 6
- NIOS Environmental Science Chapter 13 National Environmental Issues: Part 1 to 5
- NIOS Environmental Science Chapter 15 Biodiversity Conservation: Part 1 to 4
- NIOS Environmental Science Chapter 16 Conservation of Other Natural Resources: Part 1 to 4
- NIOS Environmental Science Chapter 18 Water and Energy Conservation: Part 1 to 5
- NIOS Environmental Science Chapter 19 Concept of Sustainable Development: Part 1 to 3
- NIOS Environmental Science Chapter 19 Sustainable Development
- NIOS Environmental Science Chapter 21 Concept of Sustainable Agriculture: Part 1 to 5
- NIOS Environmental Science Chapter 22 Cleaner Technologies: Part 1 to 4
- NIOS Environmental Science Chapter 23 Environmental Legislation: Part 1 to 2
- NIOS Environmental Science Chapter 24 Environmental Impact Assessment: Part 1 to 3
- NIOS Environmental Science Chapter 25 Environment Related Institution and Organisations: Part 1 to 5
- NIOS Environmental Science Chapter 26 Environmental Ethics and Gandhian Approach: Part 1 to 2
- NIOS Environmental Science Chapter 27 Global Circulation of Water: Part 1 to 2
- NIOS Environmental Science Chapter 28 Ground Water Resources: Part 1 to 4
- NIOS Environmental Science Chapter 29 Fresh Water Resources: Part 1 to 2
- NIOS Environmental Science Chapter 30 Methods of Water Harvesting: Part 1 to 3
- NIOS Environmental Science Chapter 31 Water Conservation at Different Levels: Part 1 to 4
- NIOS Environmental Science Chapter 32 Renewable Sources of Energy I: Part 1 to 3