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Environment
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Air Pollution and Related Issues
Mains
4
Prelims
0
Current Affairs
23
Rio Family/UNFCCC/IPCC
6
Water Pollution and Related Issues
6
Air Pollution and Related Issues
4
EIA
4
Mining Hazards
4
Wetlands
2
Biodiversity
1
Climate Change
1
River Linking and Impact
1
Solid Wastes
1
4 questions
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Question
Year
UPSC Syllabus
Marks
GS Paper
2025
1
What is Carbon Capture, Utilization and Storage (CCUS)? What is the potential role of CCUS in tackling climate change?
2025
GS3-18.Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment.
10.0
GS3
2022
2
Discuss in detail the photochemical smog emphasizing its formation, effects and mitigation. Explain the 1999 Gothenburg Protocol.
2022
GS3-18.Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment.
10.0
GS3
2021
3
Describe the key points of the revised Global Air Quality Guidelines (AQGs) recently released by the World Health Organisation (WHO). How are these different from its last update in 2005? What changes in India’s National Clean Air Programme are required to achieve these revised standards?
2021
GS3-18.Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment.
10.0
GS3
2020
4
What are the key features of the National Clean Air Programme (NCAP) initiated by the Government of India?
2020
GS3-18.Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment.
15.0
GS3