GS Paper III · Environment
Climate Change Current Affairs for UPSC (GS Paper III)
From the syllabus: Conservation, environmental pollution and degradation, environmental impact assessment
Why it matters: Examiners focus on adaptation and mitigation strategies, sectoral vulnerabilities, and the socioeconomic impacts of rising temperatures across vulnerable ecological zones.
In the news
October 2026
13 Oct 2026
The environmental challenge of India’s cement industryIndia's reliance on cement for infrastructure growth presents a major hurdle to achieving net-zero emissions due to the high carbon intensity of limestone calcination. Sustainable construction alternatives are being debated to address...
13 Oct 2026
Global South Pushes for Inclusivity as IPCC Faces Reporting DeadlockThe Intergovernmental Panel on Climate Change (IPCC) faced procedural disagreements as developing nations, including India, Kenya, Saudi Arabia, and China, demanded extended timelines for the Seventh Assessment Report cycle. These...
12 Oct 2026
World climate body deadlocked over inclusivity and representation concernsThe Intergovernmental Panel on Climate Change faced a deadlock as developing nations, including India, China, Saudi Arabia, and Kenya, demanded more time to prepare upcoming reports. These countries stressed the need to ensure that...
12 Oct 2026
Global warming triggers widespread sex reversal in frog populationsRecent ecological studies reveal that rising global temperatures are driving sex reversal in various frog populations, creating skewed sex ratios. This phenomenon threatens reproductive success and significantly increases extinction...
04 Oct 2026
Rising Sea Levels Threaten Long-Term Habitability of TuvaluScientific reports indicate that the low-lying Pacific island nation of Tuvalu faces existential threats due to accelerating sea-level rise. Projections suggest that large parts of the archipelago could become unlivable by the end of...
02 Oct 2026
Scientists Introduce Carbon Impacts Tracer to Quantify Fossil Fuel DamageResearchers have developed the Carbon Impacts Tracer, a scientific tool capable of measuring the specific environmental, ecological, and socio-economic damages attributable to individual new coal mining projects. The tool establishes...
September 2026
24 Sep 2026
Refinery sector balances fossil transition and net-zero pushIndustry experts at the Hindu Sustainability Summit emphasized that India's refinery sector must manage the delicate transition from fossil fuels to clean energy while ensuring immediate energy security. Key strategies discussed include...
24 Sep 2026
Guwahati students create real-time climate resilience databaseSchool students in Guwahati documented 1,517 species during a month-long citizen-science biodiversity survey to build a permanent, real-time climate resilience database. This initiative highlights the potential of citizen science in...
20 Sep 2026
BRICS Nations Oppose EU Carbon Border Tax and Demand Climate FundsBRICS member countries have jointly condemned unilateral climate measures such as the European Union's Carbon Border Adjustment Mechanism (CBAM), calling them discriminatory and protectionist. The bloc emphasized that such measures...
20 Sep 2026
Scientists Urge Proactive Preparedness for Impending Super El NinoEcologists and climate scientists have called on policymakers to prepare for imminent Super El Nino events that pose severe risks to India's agricultural and ecological systems. Extreme thermal spikes in the Pacific Ocean alter...
18 Sep 2026
Denmark Inaugurates Greensand Carbon Storage Facility in North SeaDenmark has officially brought Project Greensand into operation in the North Sea. It represents the European Union's first full scale carbon dioxide storage site and integrated value chain. The facility allows captured carbon dioxide to...
17 Sep 2026
Rajasthan Advances Aravali Green Development Project TargetsRajasthan achieved its targeted plantation goals ahead of schedule under the Aravali Green Development Project. Supported by an investment of Rs 250 crore across 19 districts, the initiative prioritizes soil restoration and extensive...
14 Sep 2026
Glacial Outburst Floods Threaten Himalayan Infrastructure in NepalDevastating glacier triggered floods in Nepal trapped hydropower workers underground and destroyed regional infrastructure. The disaster underlines the growing vulnerability of high altitude critical infrastructure to climate-induced...
11 Sep 2026
Nepal estimates flood reconstruction cost at $4.78 billionNepal's foreign ministry announced a 4.78 billion dollar reconstruction estimate following severe flood damage across the Himalayan nation. Officials highlighted that vulnerable mountain regions urgently require sustained international...
09 Sep 2026
UNEP Releases 'Limiting Overshoot' Report on Global Climate TargetsThe United Nations Environment Programme released a report titled Limiting Overshoot, emphasizing the severe ecological risks of temporarily surpassing the 1.5 degree Celsius warming limit set under the Paris Agreement. The report...
08 Sep 2026
WMO Warns Wildfires and Heatwaves Accelerate Air PollutionA report from the World Meteorological Organization (WMO) cautioned that intense heatwaves and expanding wildfires are causing severe surges in ground-level ozone and fine particulate matter (PM2.5). The study highlighted a...
05 Sep 2026
India Emphasizes Climate Finance and Developed Nations' LeadershipIn response to discussions around transboundary disaster compensation following catastrophic flooding in Nepal, India's Ministry of External Affairs affirmed that climate change is a common challenge requiring developed nations to take...
04 Sep 2026
Home Ministry Reviews Himalayan Preparedness for Glacial Lake Outburst FloodsThe Union Home Secretary chaired a high-level meeting to review the preparedness of Himalayan States against Glacial Lake Outburst Floods (GLOFs). The Home Ministry urged States to transition from a purely response-oriented strategy to...
04 Sep 2026
UN Warns of Severe El Nino Threatening Global Weather ExtremesThe United Nations has issued a warning that an impending El Nino event could rank among the strongest in recent decades, amplifying global climate shock events. While El Nino is a naturally occurring ocean-atmosphere phenomenon...
03 Sep 2026
Devastating Himalayan Floods in Nepal Underscore Regional Climate FragilitySevere flash floods in Nepal have resulted in over 1,250 casualties, prompting regional warnings regarding accelerating climate vulnerabilities across the Himalayan river basins. The disaster highlights the need for institutionalized...
03 Sep 2026
UNEP Outlines Overshoot Pathway to Address Climate Warming LimitsThe United Nations Environment Programme (UNEP) has released a report detailing an "overshoot, peak and decline" pathway to manage the breach of the 1.5 degree Celsius global warming limit. The strategy focuses on keeping the peak...
01 Sep 2026
Transboundary Himalayan Hazards and Climate AdaptationDevastating flash floods and landslides in Nepal resulted in over 1,000 casualties across mountain districts such as Chitwan and Nawalparasi. Indian disaster rescue personnel were deployed to assist in dangerous terrain near hydropower...
01 Sep 2026
Interlinkages Between Ethanol Blending and CAFE Norms HighlightedIndia's Corporate Average Fuel Efficiency (CAFE) standards and the target of 20 percent ethanol blending (E20) are shaping the nation's energy transition roadmap. Experts note that combining ethanol blending with stringent vehicle...
August 2026
31 Aug 2026
India Initiates Natural-Capital Accounting for Blue EconomyThe government is moving towards natural-capital and climate-risk accounting for its blue economy. By assessing monetary values for marine fish stocks within Exclusive Economic Zones (EEZ), India aims to integrate ocean ecosystems,...
31 Aug 2026
CAFE Norms and Biofuel Economics Drive Energy TransitionThe interplay between Corporate Average Fuel Economy (CAFE) norms, ethanol blending targets (E20), and sugarcane economics is reshaping India's automotive sector. CAFE regulations require manufacturers to reduce average carbon dioxide...
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August 2026
31 Aug 2026
Himalayan Flash Floods Highlight Infrastructure RisksDevastating flash floods along the Nepal-China border have prompted geoscientists to warn against unviable construction sprees across fragile mountain terrains. Experts have urged South Asian nations to establish transboundary...
29 Aug 2026
Nepal Glacial Outburst Triggers Transboundary FloodsDevastating flash floods in Nepal, triggered by a glacier collapse and ice-rock avalanche, have caused severe loss of life and displaced thousands across border regions. Monitoring agencies confirmed the formation of new glacial lakes...
28 Aug 2026
Climate Outbursts and Western Disturbances Trigger Nepal Flash FloodsSevere flash floods and glacial lake outburst risks in Nepal have claimed over 389 lives and stranded hundreds of Indian pilgrims. Satellite imagery revealed new lakes forming upstream of the Bhotekoshi River due to extreme rainfall...
26 Aug 2026
Study links Pacific Decadal Oscillation to rising cyclone frequencyA recent scientific study indicates that a multi-decadal climate pattern known as the Pacific Decadal Oscillation, combined with global warming, could significantly increase cyclone frequency over the Indian coast. Cyclones originating...
26 Aug 2026
Environment Minister addresses UNCCD conference on global drought resilienceAt the United Nations Convention to Combat Desertification (UNCCD) conference in Mongolia, India highlighted drought as a defining developmental challenge. Union Environment Minister Bhupender Yadav urged global stakeholders to...
25 Aug 2026
CAZRI drives sustainable economic growth in Rajasthan's arid regionThe Central Arid Zone Research Institute (CAZRI) has developed innovative agricultural technologies to foster sustainable livelihoods in Rajasthan's drylands. By introducing climate-resilient crop varieties, modern water harvesting...
23 Aug 2026
Prime Minister Calls for Deep Integration of Space Startups with Agriculture and EcologyPrime Minister Narendra Modi urged Indian space startups to expand their scope beyond standard space applications and collaborate with sectors such as agriculture, livestock, and environmental conservation. Utilizing satellite imagery...
23 Aug 2026
Climate Instability Threatens Forest Ecosystems in Nilgiri Biosphere ReserveResearchers have raised alarms over increasing climate instability destabilizing forest ecosystems within the Nilgiri Biosphere Reserve across the Western Ghats. Temperature fluctuations and altered rainfall patterns are impacting...
23 Aug 2026
UK Met Office Warns of Record-Breaking El Nino in 2027Britain's national weather service has issued a warning that a major El Nino climate cycle expected in 2026-2027 could become the strongest recorded in over a century. The climate phenomenon involves anomalous warming of equatorial...
21 Aug 2026
CAG Audit Highlights Flaws in National Mission for a Green IndiaA Comptroller and Auditor General (CAG) audit of the National Mission for a Green India (GIM) revealed that execution has heavily prioritized tree plantation counts over holistic ecosystem restoration. The audit noted significant...
19 Aug 2026
Kerala Declares Tidal Flooding a State-Specific DisasterThe Kerala government has officially declared recurrent tidal flooding as a state-specific disaster. This decision responds to rising sea levels and coastal inundation during full and new moons, which consistently cause damage to homes,...
19 Aug 2026
BRICS Blocs Oppose EU Carbon Border Tax and Seek Climate FinanceThe BRICS grouping has voiced strong opposition to unilateral environmental trade measures, notably the European Union's Carbon Border Adjustment Mechanism (CBAM). Member states emphasized that such measures penalize developing...
18 Aug 2026
Protecting Elephants Boosts Forest Carbon StorageA new ecological study underscores that megaherbivores like Asian elephants play a crucial role in maintaining tropical forest carbon sinks. As ecosystem engineers, elephants consume understory vegetation and disperse seeds of large,...
16 Aug 2026
Kudankulam Nuclear Plant Sets Carbon Mitigation MilestoneThe Kudankulam Nuclear Power Plant in Tamil Nadu has achieved a cumulative generation of 130.63 billion units of power. The plant's site director announced that the high capacity factor of over 101.5% in Reactors 1 and 2 has...
16 Aug 2026
Extreme Weather Acts as Evolutionary Driver in SpeciesA scientific study on wild lizard populations has shown that two severe hurricanes occurring just 14 days apart forced rapid genetic and skeletal adaptations. The extreme weather events acted as powerful agents of natural selection,...
July 2026
27 Jul 2026
India Reviews Strategy on the Indus Waters Treaty dispute resolutionA year after calling for modifications to the 1960 Indus Waters Treaty (IWT), India continues to build its diplomatic and legal strategy to address dispute resolution mechanisms and climate change impacts. India is advocating for modern...
26 Jul 2026
Decline in global migratory bird speciesA new scientific study has revealed that more than half of the world's migratory bird species are experiencing population declines. The rapid loss of habitats, climate change, and human disturbances along migratory pathways are cited as...
24 Jul 2026
Unprecedented Floods Devastate AssamThe death toll from the devastating floods in Assam has climbed to 47, with over seven lakh people affected across multiple districts. Chief Minister Himanta Biswa Sarma attributes the unprecedented situation to localised heavy rainfall...
23 Jul 2026
India Progresses Toward 2030 Renewable Energy GoalsUnion Minister of State for New and Renewable Energy Shripad Yesso Naik confirmed in Parliament that India remains on track to meet its ambitious 2030 renewable energy targets. India has committed to achieving 500 GW of non-fossil fuel...
23 Jul 2026
Declining Seasonal Insect Prey Threatens Himalayan Bird PopulationsEcological research indicates that avian species in the Himalayas are grappling with a sharp seasonal drop in insect prey, which is essential for their nutrition and nesting success. Changing climate patterns, shift in monsoon...
23 Jul 2026
Killai Becomes Tamil Nadu's First Fully Operational Climate-Resilient VillageKillai, a coastal settlement in Tamil Nadu, has successfully transitioned into the state's first fully operational climate-resilient village. The initiative integrates ecosystem restoration, renewable energy installation, and...
22 Jul 2026
Study Tracks Heat Stress Health Impacts in South IndiaA new scientific study has been launched across select sites in Tamil Nadu and Karnataka to evaluate the exact impact of heat stress on human health. Participants across 1,200 households in sites such as Perungudi and Poompuhar in Tamil...
19 Jul 2026
WRI Launches Tool to Track Urban Food Waste EmissionsThe World Resources Institute (WRI) has developed an Excel-based tool designed to help Indian cities, businesses, and resident associations quantify and reduce greenhouse gas emissions arising from food waste. The tool estimates carbon...
19 Jul 2026
Balancing Sustainability and Fuel Goals in India's E20 MandateAs India transitions towards a nation-wide 20 percent ethanol-blended petrol (E20) mandate, environmentalists are raising concerns over the heavy reliance on water-intensive sugarcane crops. This policy focus coincides with a slower...
17 Jul 2026
India seeks to renegotiate Indus Waters Treaty with PakistanIndia has formally expressed its desire to renegotiate the 1960 Indus Waters Treaty with Pakistan. The move is driven by the need to address changed circumstances, including climate change and environmental concerns that were not...
15 Jul 2026
New York Imposes Moratorium on AI Data CentersNew York is set to enforce a state-wide moratorium of up to one year on the establishment of new large-scale data centers powering artificial intelligence. The move seeks to safeguard the state's energy grid and protect the environment...
14 Jul 2026
Human failure and natural calamity led to Wayanad debris slipAn editorial analysis of the recent Wayanad debris slip highlights that the disaster was a result of a 'perfect storm' involving extreme weather and human-led ecological degradation. It calls for better land-use planning and the...
14 Jul 2026
Rising Carbon Emissions from Big Tech's Artificial Intelligence RaceSustainability reports from major technology corporations, including Amazon, Google, and Microsoft, reveal sharp increases in carbon emissions due to the rapid deployment of artificial intelligence. The power-hungry nature of data...
14 Jul 2026
Climate Change and Urban Tree Management in Indian MetrosFollowing a series of fatal tree-fall incidents in metropolitan cities, municipal bodies are facing pressure to modernise their urban forestry practices. Climate-induced extreme weather, unscientific concretisation around root systems,...
12 Jul 2026
India Expands Natural Gas Infrastructure with Surge in Regasification CapacityAccording to the International Gas Union (IGU) World LNG Report, India added a massive 52.5 million tonnes per annum (mtpa) of liquefied natural gas (LNG) regasification capacity in 2025. This rapid expansion is driven by surging...
10 Jul 2026
Chhattisgarh promotes Direct Seeded Rice (DSR) methodThe Chhattisgarh government is encouraging farmers to shift from traditional transplanting to Direct Seeded Rice (DSR) to tackle water stress and labor shortages. DSR involves sowing seeds directly into the field, reducing water...
10 Jul 2026
Indian Railways prepares to launch the country's first hydrogen trainIndian Railways is set to launch its first hydrogen-fuel-cell-powered train soon, representing a major leap toward clean energy transit. Hydrogen trains emit only water vapor and warm air, offering a zero-emission alternative to diesel...
09 Jul 2026
Southwest Monsoon Covers Entire India at Slowest Pace Since 2021The India Meteorological Department (IMD) confirmed that the Southwest Monsoon has finally covered the entire country. However, its advance was the slowest recorded since 2021, leading to varied rainfall distribution and concerns over...
07 Jul 2026
India's Challenges in Tracking Heatwave MortalitiesAs climate change intensifies the frequency and severity of heatwaves, India continues to struggle with accurately counting heatwave-related deaths. Public health experts point to systemic hurdles, including the lack of standardized...
07 Jul 2026
The Technical and Policy Challenges of Ethanol Blending in IndiaAs India aggressively pursues its target of 20 percent ethanol-blended petrol, automotive experts have highlighted the challenges of engine corrosion and reduced fuel efficiency. While ethanol reduces carbon emissions and cuts India's...
06 Jul 2026
Adapting Maternal Health Systems to Climate ChangeExperts argue that India's maternal health systems, designed over past decades, need urgent updates to survive the challenges of a rapidly heating planet. Extreme heatwaves and shifting monsoon patterns are escalating the risks of...
05 Jul 2026
Reforming India's Climate Literacy and Sustainability EducationExperts have emphasized that India must shift its sustainability and climate change education from rote academic theory to practical, community-level application. Integrating climate literacy as a core pillar of social infrastructure...
04 Jul 2026
Fresh Carbon Emission Reduction Targets Issued for Iron and Steel SectorThe Ministry of Power and Ministry of Environment, Forest and Climate Change have released fresh draft targets for greenhouse gas emission reductions in the domestic iron and steel sector. As a historically hard-to-abate sector, the...
04 Jul 2026
Monsoon Dynamics: Understanding the Role of the Indian Ocean DipoleAs India's monsoon faces challenges from El Nino, experts are closely tracking the Indian Ocean Dipole (IOD) to see if it can rescue the season. The IOD, often referred to as the 'Indian Nino', involves a difference in sea surface...
Practise Climate Change
10 of our latest questions on this topic (out of 32).
Question 1 of 10
Which of the following is considered a primary driver of the high carbon footprint in India's cement sector?
Mains practice
Analyze the interplay between India's infrastructure development goals and its commitment to environmental sustainability, particularly in the context of the cement sector and urban connectivity. How should governance models balance these competing interests while addressing social obligations like elderly care and regional inter-state disputes?
15 marks
India's current development trajectory is characterized by a unique intersection of rapid technological growth, economic reforms, and persistent environmental and social challenges. Discuss this statement with reference to the expansion of AI infrastructure, GST reforms, and the impacts of climate patterns like El Nino on state-level agriculture.
15 marks
Assess the cumulative impact of global geopolitical trade shifts, emerging digital technological risks, and localized climate anomalies like El Nino on India's macroeconomic stability and public welfare. Suggest comprehensive policy interventions to address these multifaceted challenges.
15 marks
Previous years' questions
Past exam questions sorted by topic are coming here. Until then, the full papers are in our previous papers library.