General Studies III · Subtopic
Environmental pollution
Official syllabus
Conservation, environmental pollution and degradation, environmental impact assessment.
UPSC CSE 2026 notification
What this covers
Pollution occurs when a contaminant or harmful form of energy enters air, water, soil or another medium at a level that can impair use or health.
Key ideas
- Air, water and soil
- Point and diffuse sources
- Pollutant pathway
- Exposure and effect
- Monitoring and standards