Theme T38 · Resources & Economic Geography
Glaciers, cryosphere & sea-level rise
6PYQs
5GS1
1GS3
2014–20256 distinct years
1asked 2024–26
What UPSC asks
A heavily repeated theme: melting Himalayan glaciers and water resources, Arctic vs Antarctic melting effects, cryosphere and global climate, sea-level rise threatening island nations, and IPCC projections for India.
Prepare these
- Himalayan glacier retreat and river flows
- Arctic sea ice vs Antarctic land ice: different effects
- Cryosphere and albedo feedback
- Sea-level rise: small island states, Indian coasts, Indian Ocean region
- IPCC findings
Answer writing
- Link physical change → human impact → adaptation
Directive words in these PYQs: Discuss (1), Explain (1), Bring out (1).
Linked themes
Builds on: study these first
These come earlier in the roadmap. Questions in this theme use them.
Comes back later in
Later themes that take this one further.
Step 92: Water security: scarcity, conservation & managementStep 137: Climate change impacts on India: food security, Himalayan & coastal states
On the map
Syllabus lines covered
- GS1-L12 — Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc., geographical features and their location- changes in critical geographical features (including water-bodies and ice-caps) and in flora and fauna and the effects of such changes.
- GS3-L14 — Conservation, environmental pollution and degradation, environmental impact assessment
All 6 PYQs, newest first
- GS1202510 marks · 150 wordsGS1-GEO-07-M2025-Q04
- GS3202315 marks · 250 wordsGS3-ENV-03-M2023-Q18
- GS12021GS1-GEO-07-M2021-S02
- GS12020GS1-GEO-07-M2020-S02
- GS12017GS1-GEO-07-M2017-S02
- GS12014GS1-GEO-07-M2014-S01