GS Paper I 2026 · Q17
15 marks · 250 words Geophysical phenomena & changing features X-Ray · Core #9Analyze the major drivers of human-induced land-use changes in India and their geographical consequences.
🧭 How to think about this question · directive: “analyze”
Decode the demand
- Directive 'analyse': break the theme into causes and effects. Two halves are fixed by the question: the drivers of land-use change and their geographical consequences.
- The issue in one line: a fixed land base is being reallocated among farms, cities, mines and infrastructure by human choices, and geography pays the bill.
- Three things to answer: what is changing land use, what happens to the physical landscape, what happens to people and places; a short way forward earns the extra mark.
- The trap: a list of environmental problems with no link back to a driver. Every consequence must be traced to the land-use decision that caused it, with a named place.
Think in a structure
- Open with two verified numbers that frame the stress: forest cover versus degraded land.
- Drivers in dimensions: urban, non-farm, farm intensification, mining and infrastructure, hills and coasts, and the policy or property driver behind them; one real instance under each.
- Consequences in two headings, physical then human, each point naming the place and the process; a map of hotspots and a hub diagram do the visual work.
- End positively: restoration, planning and commons revival with real models, then anchor the conclusion in the public trust doctrine the Supreme Court has already laid down.
Facts checked at source (5)· open
- ISFR 2023: forest and tree cover is 8,27,357 sq km, 25.17% of India's geographical area (forest cover 21.76%, tree cover 3.41%).Union Minister Bhupender Yadav releases India State of Forest Report 2023 — PIB, 21 December 2024 ↗“The Forest and Tree cover of the country is 8,27,357 sq km which is 25.17 percent of the geographical area of the country”
- India Desertification and Land Degradation Atlas (SAC-ISRO): 97.85 million hectares, 29.77% of India's geographical area, is affected by land degradation and desertification.World Day to Combat Desertification and Drought 2026 — PIB, Ministry of Environment, Forest and Climate Change ↗“97.85 million hectares of land, or 29.77 per cent of the country’s geographical area, are affected by land degradation and desertification”
- India has 21.76 million hectares under restoration against its 26-million-hectare Bonn Challenge target for 2030 (June 2026).World Day to Combat Desertification and Drought 2026 — PIB, Ministry of Environment, Forest and Climate Change ↗“India Brings 21.76 Million Hectares of Land under Restoration Efforts Against 26 Million Hectare Bonn Challenge Target For 2030”
- SDG target 15.3: combat desertification, restore degraded land and achieve a land degradation-neutral world by 2030.Goal 15 targets — UN Department of Economic and Social Affairs (sdgs.un.org) ↗“By 2030, combat desertification, restore degraded land and soil, including land affected by desertification, drought and floods, and strive to achieve a land degradation-neutral world”
- Dynamic Ground Water Resources Assessment 2025: 730 of 6,762 assessment units (10.80%) are over-exploited (PIB, 18 December 2025).Findings of Dynamic Groundwater Resources Assessment — PIB, Ministry of Jal Shakti, 18 December 2025 ↗“730 (10.80%) units have been categorized as ‘Over- exploited’”
Question: UPSC's CS (Main) 2026, GS Paper I — paper ↗. Guidance: Minimalist IAS, checked 8 Nov 2026 (how we verify). ·
Model answer· 623words · Minimalist IAS
ISFR 2023 records forest and tree cover at 25.17% of India's area, while ISRO's Desertification and Land Degradation Atlas finds 97.85 million hectares, 29.77% of the country, degraded. A fixed land base is being reallocated by human choices; the drivers of that reallocation and its geographical costs are examined below.
Major human drivers of land-use change
- Urbanisation: the urban share was 31.16% in Census 2011 and is growing fastest; cities sprawl over farmland, lakes, wetlands and floodplains.
- Bengaluru's interlinked tank chain has been built over by layouts and roads, severing its natural drainage.
- Non-agricultural uses: NCERT records a rising share of land under settlements, roads, canals and industries as secondary and tertiary activities expand.
- Farm intensification: irrigation and double cropping convert pastures, wetlands and commons; 730 of 6,762 groundwater assessment units are now over-exploited (CGWB 2025).
- Punjab–Haryana: rice on a semi-arid plain, sustained by free power and tube-wells rather than rainfall.
- Mining and infrastructure: the mineral-rich Chhotanagpur–Odisha plateau loses forest to open-cast mines; dams, highways and industrial corridors fragment the remainder.
- Aravalli hills: the Supreme Court had to curb quarrying that was flattening Delhi's natural barrier against desert winds.
- Hills, coasts and the North-East: roads, hydropower and tourism in the Himalaya; ports and aquaculture on coasts; shortened shifting-cultivation cycles.
- Western Ghats: the Gadgil (2011) and Kasturirangan (2013) panels asked for ecologically sensitive zones; states resisted.
- Weak commons tenure: open-access grazing land and wetlands are converted first because nobody owns the loss, Hardin's tragedy of the commons.
✏️ Map to sketch in the exam · Hotspots of human-induced land-use change
- Shade: Jharkhand, Odisha, Chhattisgarh = mineral belt: mining pressure on forests
- districts: Chamoli (Uttarakhand) = hill-town subsidence (Joshimath 2023)
- districts: Chennai (Tamil Nadu) = urban flooding (2015)
Draw on India's official outline (Survey of India boundary).
Physical-geographical consequences
Land-use change: urban floods; falling water tables; soil degradation; landslides and subsidence; habitat fragmentation; heat islands
- Hydrology: paved catchments and filled lakes speed runoff and cut recharge, so cities flood and aquifers fall at once.
- Chennai 2015: floods where the Pallikaranai marsh and the Adyar floodplain had been built over.
- Land degradation: erosion on cleared slopes, salinisation in over-irrigated canal commands, desertification on overgrazed drylands.
- Slope hazards: over-built hill towns on old landslide debris face subsidence and slides.
- Joshimath 2023: cracks across houses in a town built on unstable moraine with heavy construction load.
- Coastal exposure: mangroves cleared for shrimp farms and ports leave coasts open to erosion and surge.
- Ecology and climate: fragmented habitats raise human–wildlife conflict; concrete creates urban heat islands and loses carbon sinks.
Human-geographical consequences
- Displacement: reservoirs and mines uproot tribal and farming communities, often without land-for-land resettlement.
- Narmada valley: a decades-long struggle over who bears the cost of Sardar Sarovar's submergence.
- Livelihood erosion: pastoralists lose commons; falling water tables raise pumping costs and push small farmers into debt.
- Unequal risk: informal settlements occupy the floodplains and slopes the formal city rejected, so disasters hit the poor first.
- Food-land squeeze: fertile peri-urban soils are lost permanently, pushing cultivation onto marginal land that degrades faster.
Way forward
- Restore at scale: India has 21.76 million hectares under restoration against its 26-million-hectare Bonn Challenge target for 2030.
- Plan land as a system: a national land-use policy, Wetlands Rules 2017 enforced, floodplain zoning, and carrying-capacity limits for hill towns.
- Revive the commons: Ostrom showed communities manage shared land when rules are local and enforced.
- Hiware Bazar (Maharashtra): watershed treatment, grazing and borewell rules turned a drought-hit village water-secure.
- Map before building: satellite land-use monitoring to flag encroachment on lakes, forests and slopes in near-real time.
In M.C. Mehta v. Kamal Nath (1997) the Supreme Court held that the State holds rivers, forests and fragile land in trust for the public; land-use planning that honours that trust, measured against the 2030 goal of land degradation neutrality, lets India grow without consuming its own ground.
Prepared by Minimalist IAS to the answer standard of Shivam Singh (mentor, 7 years) · facts checked against official sources (how we verify) · updated 8 Nov 2026. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.







