← Back to Current Affairs Overview

Subject: Current Affairs | Published: 16 November 2025

Glacier funerals: the alarming demise of the himalayas' water towers

📚

Recommended UPSC Book List

Access the curated list of standard books and resources used by top aspirants for all subjects.

Join Channel Now →

The recent declaration of Nepal’s Yala Glacier as ‘dead’ is a stark and symbolic testament to an accelerating climate crisis unfolding across the Hindu Kush Himalaya (HKH) region. Having shrunk by over 66% since the 1970s, Yala’s demise has been marked by ‘glacier funerals’—somber ceremonies that mourn the loss of these vital freshwater sources. This event is not an isolated tragedy but a critical warning sign of the rapid, and as a landmark 2023 report states, “largely irreversible” changes to the world’s ‘Third Pole’.

A comprehensive June 2023 assessment by the International Centre for Integrated Mountain Development (ICIMOD), titled “Water, Ice, Society, and Ecosystems in the Hindu Kush Himalaya,” delivered a sobering diagnosis: the region’s glaciers vanished 65% faster in the 2011-2020 decade compared to the one prior. The report projects a catastrophic loss of up to 80% of glacier volume by 2100 if global emissions are not drastically cut. This isn’t a distant threat; the ICIMOD’s 2024 Snow Update confirmed that snow levels across the HKH region were at a 23-year low, directly threatening the water supply for nearly two billion people downstream.

Fun Fact: The Hindu Kush Himalaya region holds the largest volume of ice on Earth after the polar regions, earning it the name ‘The Third Pole’. These glaciers feed ten of the world’s most important river systems, including the Indus, Ganges, and Brahmaputra.

The Cascading Consequences of Melting Ice

The loss of glaciers triggers a domino effect with profound environmental and societal consequences. This process is not merely about receding ice; it’s about the unraveling of a life-sustaining system. The primary impacts can be remembered with the mnemonic HEATS.

Mnemonic for Glacier Loss Consequences: HEATS

  • Habitat Loss & Biodiversity Impact
  • Extreme Weather Events (like GLOFs)
  • Albedo Reduction (Accelerating Warming)
  • Threatened Water Supply
  • Sea Level Rise
ConsequenceDetailed Impact
Threatened Water & Food SecurityOften called ‘Asia’s Water Towers’, these glaciers regulate water flow for billions. Their melting threatens drinking water availability and the agricultural stability of the vast Indo-Gangetic plain.
Increased Natural DisastersRapid melting expands glacial lakes, creating a severe risk of Glacial Lake Outburst Floods (GLOFs). The tragic October 2023 GLOF from the South Lhonak Lake in Sikkim is a deadly, recent example of this threat.
Accelerated Global WarmingGlaciers have a high albedo (reflectivity). As they shrink, they are replaced by darker land or water, which absorbs more solar radiation, creating a dangerous positive feedback loop that accelerates warming.
Global Sea Level RiseWhile smaller in total volume than the polar ice sheets, the rapid melting of the world’s mountain glaciers is a significant contributor to rising global sea levels, threatening coastal communities worldwide.
Biodiversity LossUnique high-altitude ecosystems, home to iconic species like the Snow Leopard and Tibetan Wolf, are endangered as their habitats shrink and fragment.

Analogy: Think of glaciers as the planet’s giant, natural sun shields. As we lose them, it’s like replacing these reflective shields with heat-absorbing black pavement, causing the whole system to warm up even faster.

Critical Policy Appraisal

Addressing the glacier crisis requires a monumental effort, balancing immense challenges with innovative opportunities. Global commitments are often slow to translate into local action, but the urgency of the situation is fostering new approaches.

Challenges/CriticismsOpportunities/Successes/Way Forward
Lack of binding international agreements on emission cuts.The UN designating 2025 as the International Year of Glaciers’ Preservation offers a platform for global advocacy.
Difficulty in monitoring remote, high-altitude environments.Leveraging satellite imagery and remote sensing technology for better GLOF prediction and water resource management.
High cost and political friction in transboundary water cooperation.Strengthening regional bodies like ICIMOD to act as neutral scientific and diplomatic conveners.
Socio-economic disruption for mountain communities.Promoting community-based conservation and developing alternative livelihoods like regulated, sustainable ecotourism.

Statistic: According to a 2021 study in Nature, melting glaciers were responsible for 21% of global sea-level rise observed between 2000 and 2019, a contribution far larger than their proportional ice volume.


Analytical Lens: UPSC Focus (Mains & Prelims)

Conceptual Basis

The foundational international frameworks addressing the root cause of glacier melt (climate change) are the United Nations Framework Convention on Climate Change (UNFCCC) and its subsequent Paris Agreement (2015). At the national level, India’s National Action Plan on Climate Change (NAPCC), particularly its National Mission for Sustaining the Himalayan Ecosystem (NMSHE), is the key policy document.

UPSC Integration: Connecting the Dots

  • GS-1 (Geography): Directly linked to Climatology, Geomorphology (Glacial Landforms), and the Indian Monsoon system. The melting impacts the perennial nature of Himalayan rivers, a core topic.
  • GS-3 (Environment & Disaster Management): A classic case study for climate change impacts, biodiversity loss, and a prime example for disaster management topics, specifically GLOFs. It also connects to the economy via water security and agriculture.
  • GS-2 (International Relations): The crisis is a major driver for hydro-diplomacy and potential conflict over water resources between India, China, Pakistan, Nepal, and Bangladesh. It tests the efficacy of regional cooperation bodies.

Expert Analysis: Future Impact

The accelerated melting of the ‘Third Pole’ is a ticking time bomb for South Asia’s geopolitical stability and economic future. The long-term scenario involves a transition from a crisis of floods (due to excess meltwater) to a crisis of drought as glaciers diminish, a phenomenon termed ‘peak water’. This will place unimaginable stress on the food and water security of the region, potentially exacerbating cross-border tensions. India’s policy focus must urgently shift from mere assessment to a robust, technology-driven adaptation framework, emphasizing water storage infrastructure, crop diversification, and proactive GLOF mitigation, while aggressively pursuing regional cooperation on data sharing.

Prelims Practice MCQ

Question: The term ‘Third Pole’ is often used in climatological and geopolitical discourse to refer to which of the following? a) The Arctic region, due to its increasing strategic importance for shipping routes. b) The continent of Antarctica, as it holds the largest freshwater reserve. c) The Tibetan Plateau and the surrounding Hindu Kush Himalayan mountain ranges. d) The Amazon Rainforest, owing to its critical role in regulating global climate patterns.

Answer: (c) The Tibetan Plateau and the surrounding Hindu Kush Himalayan mountain ranges. Explanation: This region is called the ‘Third Pole’ because its ice fields contain the largest reserve of fresh water outside of the polar regions. The glaciers and snowpack in this area are a critical water source for major river systems in Asia.

Mains Sample Question

Question: The accelerated melting of Himalayan glaciers, the ‘Third Pole,’ is not just an environmental issue but a critical threat to water security and regional stability in South Asia. Analyze this statement. Suggest a multi-pronged strategy for India to mitigate the impacts and foster regional cooperation. (15 Marks, 250 Words)


Mind Map Outline (Revision Structure)

  • Himalayan Glacier Retreat: The ‘Third Pole’ Crisis
    • Core Concept: Glacier ‘Death’
      • Case Study: Nepal’s Yala Glacier declared ‘dead’.
      • Definition: A glacier that has ceased to accumulate ice and is in a state of irreversible melt.
      • Cultural Impact: The rise of ‘Glacier Funerals’ as a form of protest and mourning.
    • Scientific Evidence & Recent Data
      • ICIMOD HI-WISE Report (June 2023):
        • 65% faster melt in 2011-2020 decade.
        • Projection: Up to 80% volume loss by 2100.
      • ICIMOD Snow Update (2024):
        • Snow persistence at a 23-year low.
        • Threatens water security for nearly 2 billion people.
    • Causes of Accelerated Melt
      • Anthropogenic Global Warming.
      • Albedo Reduction Feedback Loop.
      • Deposition of Black Carbon and dust.
    • Consequences (Mnemonic: HEATS)
      • Habitat Loss: Endangers species like the Snow Leopard.
      • Extreme Weather: Glacial Lake Outburst Floods (GLOFs).
        • Recent Example: South Lhonak Lake, Sikkim (October 2023).
      • Albedo Reduction: Amplifies local and global warming.
      • Threatened Water Supply: ‘Peak Water’ phenomenon threatening river basins (Ganga, Indus).
      • Sea Level Rise: Global impact from mountain glacier contributions.
    • Policy & Governance Framework
      • Global Level:
        • UNFCCC & The Paris Agreement.
        • UN International Year of Glaciers’ Preservation (2025).
      • Regional & National Level:
        • Role of ICIMOD in research and diplomacy.
        • India’s National Action Plan on Climate Change (NAPCC).
          • National Mission for Sustaining the Himalayan Ecosystem (NMSHE).
      • Critical Appraisal:
        • Challenges: Transboundary data sharing, implementation gaps, funding.
        • Way Forward: Community-led adaptation, green technology, hydro-diplomacy.

From the makers of these notes

Revise this on your phone — in your own language

EduOrbex turns the UPSC, State PSC, SSC and RRB syllabus into narrated study songs, step-by-step aptitude video-lessons and an interactive India map quiz — in English, Hindi, Telugu, Tamil, Kannada and Malayalam. Completely free.

  • Narrated aptitude lessons, every step explained aloud
  • Thousands of practice questions with hints
  • Map quiz on real Survey of India boundaries
  • Download and study with no network