GS PAPER 3 · ENVIRONMENT
Environment
Every environment theme the exam pulls from, ranked by how often it's actually asked.
5 sub-topics
Ecology & Ecosystems
Food chains, ecological pyramids, biomes, biogeochemical cycles.
6 sub-topics
Biodiversity & Conservation
Protected areas, IUCN Red List, endemic and invasive species.
7 sub-topics
Climate Change
Global warming, IPCC reports, COP summits, carbon cycle.
6 sub-topics
Pollution & Waste
Air, water and soil pollution, e-waste, plastics, waste management rules.
4 sub-topics
Laws & Institutions
Environmental Acts, NGT, MoEFCC, international conventions.
5 sub-topics
Renewable Energy
Solar, wind, green hydrogen, energy transition and SDGs.
6 sub-topics
Environmental Geography
Biosphere reserves, Ramsar wetlands, forest types of India.