The process of desertification does not have climatic boundaries. Justify with examples.
Approach · directive: “justify”
What it asks · Argue that the drivers and symptoms of desertification cross climatic zones — hot and cold deserts, semi-arid belts and even humid regions — and support this with examples.
The question has 2 parts — answer each
- Justify: desertification is driven by land use as much as by climate, so it is not confined to one climatic zone
- Illustrate with examples from hot deserts, cold deserts, irrigated plains and humid regions
Open with · Formally, desertification is defined for dry areas, but land degradation driven by climate and human use shows up well beyond hot deserts.
Cover
- Hot deserts: the Sahel south of the Sahara and the drylands of Rajasthan and Gujarat show degradation from overgrazing, wind erosion and depleted groundwater.
- Cold deserts and steppes: Mongolia and northern China's Gobi margins face overgrazing-driven desertification and dust storms; Ladakh's fragile rangelands are also under pressure.
- Humid and sub-humid areas: deforestation, mining and steep-slope erosion degrade land in Jharkhand and parts of the North-East, unlike the classic desert picture.
- Human drivers work in every climate: overgrazing, deforestation, mining, shifting cultivation, groundwater over-use and irrigation-induced salinity, as in parts of Punjab and Haryana.
- Climate change shifts dryland margins through erratic rainfall, drought and heat, so today's boundaries are not fixed.
- Response: UNCCD (1994); India hosted COP14 in September 2019 and pledged to restore 26 million hectares of degraded land by 2030.
Close with · Because desertification is produced by land use as much as by climate, it is best tackled everywhere through sustainable land, water and grazing management.
Add value (verified)
- The UNCCD itself defines desertification as land degradation resulting from both climatic variations and human activities, not from climate alone. United Nations Convention to Combat Desertification, Article 1(a) ↗““desertification” means land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors, including climatic variations and human activities”
Question: UPSC's CS (Main) 2020, GS Paper I — paper ↗. Approach: Minimalist IAS, checked 30 Sept 2026 (how we verify) — UPSC publishes no model answers. ·
Model answer · 227 words (UPSC limit 150) · Minimalist IAS
The UNCCD defines desertification as land degradation in arid, semi-arid and dry sub-humid areas caused by climatic variations and human activities; since the human drivers act in every climate, its symptoms appear far beyond hot deserts.
Why climate does not bound it
- The drivers are largely human: overgrazing, deforestation, mining, shifting cultivation, groundwater over-use and salinity from poor irrigation, none of which respect climatic zones.
- Climate change shifts dryland margins through erratic rainfall, drought and heat, so today's boundaries are not fixed.
Examples across climates
- Hot deserts and their margins: the Sahel south of the Sahara and the drylands of Rajasthan and Gujarat suffer wind erosion, overgrazing and falling water tables.
- Cold deserts and steppes: overgrazing on the Gobi margins of Mongolia and northern China feeds desertification and dust storms; Ladakh's fragile rangelands face similar pressure.
- Irrigated plains: waterlogging and salinity from canal irrigation degrade fertile land in parts of Punjab and Haryana, outside any desert.
- Humid regions: deforestation, mining and slope erosion degrade land in Jharkhand and the North-East, far from any desert.
Response
- The UNCCD (1994) frames global action; India hosted COP14 in September 2019 and pledged to restore 26 million hectares of degraded land by 2030.
Because land use produces desertification as much as climate does, it must be tackled everywhere through sustainable land, water and grazing management, not only in the desert belt.
Written by Minimalist IAS from facts checked at source (how we verify) — a little fuller than exam length, so every part of the question is covered; in the hall, keep the structure and trim the detail. UPSC publishes no model answers: compare your structure and coverage with this, then write your own.