UPSC Notes

Impacts of Environmental Degradation and Climate Change in India

PYQs

8

Articles

1

Momentum

21

Phase IFoundation

Background

Overview

This concept is fundamental to understanding the challenges India faces in achieving sustainable development, ensuring public health, managing disasters, and protecting its natural resources and biodiversity. It highlights the urgency for effective environmental policies and adaptation strategies.

India is experiencing severe and widespread environmental degradation and climate change impacts, manifested through extreme weather events, pervasive pollution, and extensive land degradation, posing significant threats to public health, livelihoods, and ecological balance across the nation.

Phase IIStatic core

Facts & tables

Key facts

Extreme Weather Events

A survey found 71% of Indians experienced heat waves, 52% droughts and water shortages, and some regions faced extreme weather for nearly 88% of the year.

Air Pollution Impact

Air pollution in 2022 reduced average life expectancy by about three years across India.

Water Pollution

Nearly half of 870 river-monitoring stations recorded alarming levels of toxic heavy metals.

Land Degradation

The Desertification and Land Degradation Atlas of India estimates that 29.7% of the country’s land is degraded.

Reference table

Static syllabus anchors

TypeReference
Conceptual areaClimate Change & Conventions
Conceptual areaEnvironmental Law & Policy
Conceptual areaBiogeography & Ecosystems
Conceptual areaAir Pollution & Emissions
Conceptual areaWaste Management & Water Pollution

Reference table

Institutions & roles

BodyRole
Indian Meteorological Department (IMD)Provides data on extreme weather events
Yale School of the EnvironmentConducted survey on indian experiences of extreme events
Phase IIIExam lens

Prelims angle

Overview

Prelims angle: Multi-statement analysis

Prelims angle: Conceptual understanding

Quick revision

  • Majority of Indians experienced extreme weather events (heat waves, droughts).
  • Air pollution significantly reduces average life expectancy (approx. 3 years).
  • Rivers show alarming levels of toxic heavy metals.
  • Nearly 30% of India's land is degraded.
  • These impacts highlight an 'unfolding crisis' requiring urgent action.

High-confidence PYQs

Topic timeline

Climate Change & ConventionsEnvironmental Law & PolicyBiogeography & EcosystemsAir Pollution & Emissions

A national environmental survey whose time came

05 Jun 2026 · India faces a severe environmental crisis marked by widespread extreme weather events (heat waves, droughts), significant air and water pollution impacting life expectancy and health, and extensive land degradation. These impacts underscore the urgent need for comprehensive environmental understanding and action.

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Related topics

Current topic

Impacts of Environmental Degradation and Climate Change in India

Practice writing on this topic

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