What is the common examiner trap about Environment in UPSC exams?

They may ask which phenomenon is rising faster—'very hot days' or 'very warm nights'—using the data that only 28% of districts saw an increase in very hot days, while 70% saw an increase in warm nights. They may also swap the humidity increase percentage (10%) for the Indo-Gangetic Plain with a different figure for coastal areas (60-70%).

What should UPSC aspirants remember about Environment for Prelims?

1. Target this Data: 417 districts in high/very high heat risk (out of 734 assessed). 2. Target this Nodal Body: Council on Energy, Environment and Water (CEEW) – the climate think tank that conducted the study. 3. Target this Statistic: 70% of districts recorded >5 additional 'very warm nights' per summer (2012-22 vs baseline).

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CEEW Report: 417 Districts High-Risk to Heat; 70% Saw 5+ More Warm Nights (2012-22), Humidity Up 10% in Indo-Gangetic Plain

Q: The Council on Energy, Environment and Water (CEEW), which conducted the heat risk study, is best described as which type of organization?

A climate-focused think tank and research institution, The article explicitly refers to CEEW as a 'climate think tank'. Think tanks are research organizations that conduct analysis and advocacy on specific policy areas, unlike statutory regulators (e.g., CPCB), intergovernmental panels (e.g., IPCC), or UN agencies (e.g., UNDP).

Q: Consider the following statements regarding the findings of the CEEW heat risk study: 1. It assessed 734 districts in India using 35 indicators for the period 1982 to 2022. 2. It found that the increase in 'very hot days' was more widespread than the increase in 'very warm nights' across Indian districts. 3. The study projects that India needs 600 GW of non-fossil-fuel capacity by 2030 primarily to meet rising power demand from cooling. Which of the statements given above is/are correct?

Both 1 and 3, Statement 1 is correct as per the article's first paragraph. Statement 2 is incorrect; the article states that 70% of districts saw an increase in warm nights, while only 28% saw an increase in hot days, making nights the more widespread trend. Statement 3 is correct, as mentioned by CEEW's Disha Agrawal regarding scaling up to 600 GW to meet demand reliably.

Q: According to the CEEW study, what percentage of Indian districts, home to what percentage of the population, are at risk from extreme heat?

57% of districts, home to 76% of the population, Dr. Vishwas Chitale is quoted stating that extreme heat poses a risk to 57 per cent of Indian districts, which are home to 76 per cent of the population. The other options swap these percentages as distractors.

Q: What is a key recommendation from the CEEW experts for improving Heat Action Plans (HAPs) in light of the study's findings?

Include granular measures for dealing with night-time heat and humidity stress., The article explicitly states that experts emphasize the importance of using granular data and including measures for night-time heat and humidity stress in HAPs. The other options are either extreme, not mentioned, or contradict the article's focus on localized, inclusive planning.

Environment Polity Social IssuesHIGH

Target:UPSC GS-IIIMPSCTeachingSSC GAPrelims HighMains High

11 Mar 2026

~2 min

Source: Indian Express

Key Data:734 districts417 high/very high risk districts76% population at risk70% districts with >5 extra warm nights10% humidity increase in Indo-Gangetic Plain600 GW non-fossil capacity by 2030 target

Bodies:CEEWCentral Electricity Authority (CEA)

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~2 min · Quick mode

What This Article Covers

1.CEEW's composite heat risk index for 734 districts (1982-2022) finds 417 in high/very high risk and 201 in moderate risk categories.

2.70% of districts recorded >5 additional 'very warm nights' per summer in 2012-22 vs 1982-2011 baseline, posing severe health risks, especially at night.

3.Relative humidity increased by up to 10% in the Indo-Gangetic Plain over the last decade, exacerbating heat stress in cities like Delhi, Chandigarh, and Jaipur.

The Big Picture

Prelims · HighMains · High

A first-of-its-kind granular heat risk assessment by CEEW reveals that 57% of India's districts, home to 76% of the population, face high heat risk. Key trends include a faster rise in 'very warm nights' compared to hot days and increasing humidity in traditionally dry North India, demanding urgent heat-resilient planning.

Exam Lens

Quick Exam Facts From News

Districts Assessed734 districts

High/Very High Risk Districts417 districts

Population at Risk76% of India's population

Districts with >5 Extra Warm Nights70% of districts (2012-22 vs baseline)

Humidity Increase in Indo-Gangetic PlainUp to 10% over last decade

1-Minute Revision

›Districts Assessed: 734 districts
›High/Very High Risk Districts: 417 districts
›Target this Data: 417 districts in high/very high heat risk (out of 734 assessed).
›Target this Nodal Body: Council on Energy, Environment and Water (CEEW) – the climate think tank that conducted the study.
›Target this Statistic: 70% of districts recorded >5 additional 'very warm nights' per summer (2012-22 vs baseline).

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News Snapshot

🔥

Granular Heat Risk Index

CEEW's first-of-its-kind assessment of 734 districts using 35 indicators shows 57% of districts are at high heat risk.

🌡️

Very Warm Nights Rising Faster

70% of districts saw more than five additional very warm nights per summer in the last decade, a greater increase than for hot days.

💧

Humidity Stress in North India

Relative humidity in the Indo-Gangetic Plain increased by up to 10%, worsening heat discomfort in cities like Delhi and Jaipur.

Detailed Analysis & Strategic Depth

Context / Background

Climate change is manifesting as increased frequency and intensity of heatwaves globally. In India, the need for localized, data-driven vulnerability assessments has grown, moving beyond broad national projections to district-level planning, especially after the devastating 2015 heatwave.

Core Analysis & Implications

The report highlights three critical shifts: 1) The disproportionate rise in night-time temperatures impedes physiological recovery, elevating morbidity (hypertension, diabetes) and mortality, especially among vulnerable groups. 2) Increased humidity in North India reduces the cooling efficiency of sweat, raising the wet-bulb temperature—a critical threshold for human survivability. 3) Economic hubs like Delhi and Mumbai face compounded risks due to urban heat island effects, dense populations, and critical infrastructure strain.

Future Outlook / Way Forward

The study underscores the need to upgrade Heat Action Plans (HAPs) to include night-time heat and humidity stress measures. CEEW aims to support over 300 localised HAPs by 2027, integrating solutions like parametric heat insurance, cool roofs, and net-zero cooling shelters. Concurrently, meeting rising power demand from cooling requires a high RE pathway of 600 GW non-fossil capacity by 2030.

Key Facts at a Glance

Districts Assessed734 districts

High/Very High Risk Districts417 districts

Population at Risk76% of India's population

Districts with >5 Extra Warm Nights70% of districts (2012-22 vs baseline)

Humidity Increase in Indo-Gangetic PlainUp to 10% over last decade

You've read the full analysis. Now test your understanding.

Practice exam-style questions based on this article.

Q1Static LinkageEasyUPSC, SSC, State PSC

The Council on Energy, Environment and Water (CEEW), which conducted the heat risk study, is best described as which type of organization?

Q2Statement-basedHardUPSC

Consider the following statements regarding the findings of the CEEW heat risk study:

1. It assessed 734 districts in India using 35 indicators for the period 1982 to 2022.

2. It found that the increase in 'very hot days' was more widespread than the increase in 'very warm nights' across Indian districts.

3. The study projects that India needs 600 GW of non-fossil-fuel capacity by 2030 primarily to meet rising power demand from cooling.

Which of the statements given above is/are correct?

Q3Data-centricMediumUPSC, SSC, State PSC

According to the CEEW study, what percentage of Indian districts, home to what percentage of the population, are at risk from extreme heat?

Q4Application/ImpactMediumUPSC, SSC

What is a key recommendation from the CEEW experts for improving Heat Action Plans (HAPs) in light of the study's findings?

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CEEW Report: 417 Districts High-Risk to Heat; 70% Saw 5+ More Warm Nights (2012-22), Humidity Up 10% in Indo-Gangetic Plain

Exam Lens

Quick Exam Facts From News

1-Minute Revision

News Snapshot

Granular Heat Risk Index

Very Warm Nights Rising Faster

Humidity Stress in North India

Detailed Analysis & Strategic Depth

Context / Background

Core Analysis & Implications

Future Outlook / Way Forward

Prelims Flashpoints

Key Facts at a Glance