UPSC Environment & Ecology Syllabus — Every Topic, Listed
Environment & Ecology is a high-weightage modern favourite of UPSC — ecology fundamentals, biodiversity, climate change and the conventions/institutions that current affairs keeps touching.
Below is the complete Environment & Ecology syllabus as UPSCGenie teaches it: 5 topic groups, 32 topics — every one of them a full, source-cited lesson in the app, with practice questions attached.
Ecology Basics (5 topics)
- Ecosystem - structure & function
- Food chains, webs & trophic levels
- Energy flow & ecological pyramids
- Biogeochemical cycles
- Ecological succession & niches
Biodiversity (8 topics)
- Levels & significance of biodiversity
- Biodiversity hotspots in India
- IUCN Red List & endangered species
- National Parks & Wildlife Sanctuaries
- Biosphere reserves
- Conservation & community reserves
- Wetlands & Ramsar sites
- Marine & coastal ecosystems
Pollution & Degradation (6 topics)
- Air pollution & AQI
- Water pollution
- Soil & noise pollution
- Solid, hazardous & e-waste management
- Plastic pollution
- Environmental Impact Assessment
Climate Change (6 topics)
- Greenhouse effect & global warming
- UNFCCC & Conferences of Parties (COP)
- Kyoto Protocol
- Paris Agreement
- India's climate commitments & missions
- Carbon markets & finance
Conservation Efforts (7 topics)
- Environmental laws (EPA, Air Act, Water Act)
- Wildlife Protection Act
- Forest Conservation Act & Forest Rights Act
- National Green Tribunal
- CPCB, MoEFCC & institutions
- Conservation programmes (Project Tiger, Elephant, etc.)
- International bodies & reports (IPCC, IPBES, UNEP)
How to cover this subject
Work through the topic groups in the order listed — the sequence builds concepts before applications. After each topic, attempt its previous-year questions; after finishing the subject, take a mock test and let the checkpoint flag weak topics for revision. See the full UPSC syllabus for how this subject fits the overall study plan.
Frequently asked questions
How many topics are in the UPSC Environment & Ecology syllabus?
In UPSCGenie's teaching tree, Environment & Ecology for Prelims breaks into 32 topics across 5 topic groups: Ecology Basics, Biodiversity, Pollution & Degradation, Climate Change, Conservation Efforts.
Are there free lessons for the Environment & Ecology syllabus?
Yes — every Environment & Ecology topic listed on this page has a full, source-cited lesson in UPSCGenie (English and Hindi), with recall questions, and the subject ends with a scored checkpoint.
Is this the official UPSC syllabus for Environment & Ecology?
It covers the officially notified syllabus, organised into teachable topics. For the authoritative one-line syllabus text, always refer to the current UPSC notification; this page expands it into the concrete topics the paper actually tests.
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