Stubble burning

Topics Covered: Conservation and pollution related issues.   Stubble burning   What to study? For Prelims and Mains: Crop burning- why, concerns, effects on environment and health, their regulation and the need for a comprehensive policy on this.   Context: Centre, Punjab at odds over stubble burning. Why? Both the Central and State governments have …

Reverse osmosis (RO)

Topics Covered: Science and Technology- developments and their applications and effects in everyday life Achievements of Indians in science & technology; indigenization of technology and developing new technology.   Reverse osmosis (RO)   What to study? For Prelims: What is Osmosis and RO? TDS in water. For Mains: Why was it banned? Issues and alternatives …