Environment & Ecology – Complete Notes for UPSC
Environment and Ecology has become one of the most high-scoring and dynamic sections in the UPSC Civil Services Examination, especially in Prelims where its weightage has steadily increased in recent years. A strong grasp of environmental concepts, biodiversity, conservation efforts, climate change, pollution, and international conventions is crucial for success in both GS Paper I (Prelims) and GS Paper III (Mains).
Q1. What is the weightage of Environment in UPSC Prelims?
In recent years, around 15–25 questions in UPSC Prelims GS Paper I are directly or indirectly related to Environment and Ecology, including questions based on current affairs.
Q2. How should I study Environment and Ecology for UPSC?
Focus on building strong conceptual understanding (NCERTs, standard books like Shankar IAS) and link it with current affairs (reports, schemes, and events). Also, refer to UPSC PYQs for trend analysis.
Q3. Are environmental conventions important for UPSC?
Yes, international treaties like CBD, UNFCCC, Ramsar, CITES, and recent COP summits are frequently asked in Prelims and help in GS-3 answers in Mains.
Q4. Do I need to study the environment separately for Mains?
Environment is part of GS Paper III in Mains. Topics like conservation, climate change, pollution, and environmental impact assessment (EIA) should be studied in depth with current examples.
Q5. How to integrate current affairs with Environment preparation?
Track government schemes (e.g., Green Credit Program, CAMPA), UN reports, national initiatives (like National Biodiversity Mission), Supreme Court judgments on the environment, and global conferences like COP, IPCC reports, etc.
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