UPSC Notes

Climate Change Impacts in the Himalayas

PYQs

8

Articles

1

Momentum

21

Phase IFoundation

Background

Overview

The Himalayas are vital for India's water security, ecological balance, and disaster management. Understanding climate change impacts in this region is crucial for formulating effective environmental policies, disaster preparedness strategies, and fostering regional cooperation, directly relevant to GS1 (Geography) and GS3 (Environment, Disaster Management).

The Himalayan region, a critical global biodiversity hotspot and source of major river systems, is exceptionally vulnerable to climate change, manifesting in accelerated glacier melt, altered precipitation patterns, and an increased frequency of extreme weather events. These changes have profound implications for regional ecosystems, water security, and human livelihoods across South Asia.

Phase IIStatic core

Facts & tables

Key facts

Glacier Retreat

Himalayan glaciers are melting at an alarming rate, contributing to sea-level rise and impacting water availability for downstream populations.

GLOFs Risk

Increased formation and expansion of glacial lakes heighten the risk of Glacial Lake Outburst Floods, posing significant threats to infrastructure and communities.

Monsoon Variability

Climate change is altering the intensity and predictability of the South Asian monsoon, leading to more frequent droughts and intense rainfall events.

Biodiversity Loss

Unique Himalayan flora and fauna are threatened by habitat shifts and degradation due to rising temperatures and changing climatic zones.

Reference table

Static syllabus anchors

TypeReference
Conceptual areaEnvironment & Ecology

Reference table

Institutions & roles

BodyRole
National Disaster Management Authority (NDMA)Coordinates disaster response and mitigation efforts related to himalayan hazards
Ministry of Environment, Forest and Climate Change (MoEFCC)Formulates policies for climate change adaptation and mitigation in the himalayan region
Phase IIIExam lens

Prelims angle

Overview

Prelims angle: Multi-statement analysis

Prelims angle: Conceptual understanding

Quick revision

  • Himalayan glaciers melting rapidly, impacting river flows.
  • Increased risk of Glacial Lake Outburst Floods (GLOFs).
  • Changes in monsoon patterns affecting agriculture and water.
  • Threat to unique Himalayan biodiversity.
  • Requires regional cooperation for adaptation and mitigation.

High-confidence PYQs

Topic timeline

Environment & Ecology

Nepal’s agony, the Himalayan warning to India

31 Aug 2026 · The Himalayas face severe climate change impacts like glacier melt, GLOFs, and altered monsoons, threatening water security, biodiversity, and increasing disaster risks for India and its neighbors.

Read article

Related topics

Practice writing on this topic

UPSC has asked 8 linked questions on Climate Change Impacts in the Himalayas in Mains. Write an answer to one — and get it evaluated.

UPSC Prelims PYQs on Climate Change Impacts in the Himalayas

Practice official previous year questions asked by UPSC related to this concept.

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