Environment Science 333 Nios online book Senior Secondary/12th

Module 1: Environment through Ages

1. Origin of Earth and Evolution of the Environment (227 KB)  
2. Environment and Human Society (371 KB)  
3. Degradation of Natural Environment (218 KB)  

Module 2: Ecological Concepts and Issues

1. Principles of Ecology (792 KB)  
2. Ecosystem (379 KB)  
3. Natural Ecosystem (229 KB)  
4. Human Modified Ecosystems (161 KB)  

Module 3: Human Impact on Environment

1. Human societies (135 KB)  
2. Deforestation (290 KB)  

Module 4: Contemporary Environment Issues

1. Environmental Pollution (263 KB)  
2. Environment and Health (512 KB)  
3. Disasters and their Management (250 KB)  
4. National Environmental Issues (360 KB)  
5. Global Environmental Issues (312 KB)  

Module 5 - Environmental Conversation

1. Biodiversity Conversation (299 KB)  
2. Conservation of other Natural Resources (128 KB)  
3. Conservation of Soil and Land (827 KB)  
4. Water and Energy Conservation (232 KB)  

Module 6: Sustainable Development

1. Origin and concept of Sustainable Development (171 KB)  
2. Modern Agriculture (141 KB)  
3. Concept of Sustainable Agriculture (137 KB)  
4. Clearner Technology (144 KB)  

Module 7 - Environmental Management

1. Environmental Legislation (144 KB)  
2. Environmental Impact assesment (334 KB)  
3. Environmental Related Institutions and Organisations (207 KB)  
4. Environmental Ethics and Gandhian Approach (107 KB)  

Module 8A - Water Resource Management

1. Global Circulation of Water (123 KB)  
2. Ground water Resources (205 KB)  
3. Fresh water Resources (544 KB)  
4. Methods of water Harvesting (163 KB)  
5. Water Conservation at Different Levels (422 KB)  

Module 8B - Energy and Environment

1. Importance of Energy in society (197 KB)  
2. Non-Renewable Sources of energy ( KB)  
3. Renewable Sources of energy - I (422 KB)  
4. Renewable Sources of energy - II (307 KB)  
5. Energy Conservation (328 KB)  

Curriculum (59 KB)  

Question Paper for Practice (25 KB)  

Practical Manual (255 KB)