A new report warns that the mountain system underpins national GDP yet faces accelerating glacier loss, unstable lakes and unequal economic returns.

A major new assessment of the Indian Himalayas warns that the region is approaching a critical tipping point. Glaciers are losing mass 65 per cent faster than a decade ago, unstable glacial lakes are expanding, and the mountains that underpin roughly one-fifth of India’s economic output risk destabilising the livelihoods of hundreds of millions of people.

The report, Prosperous and Resilient Himalayas, was produced by sustainability advisory firm Systemiq together with the Integrated Mountain Initiative (IMI). It includes technical contributions from the International Centre for Integrated Mountain Development (ICIMOD) and India’s G B Pant National Institute of Himalayan Environment. An abridged version was released in early September 2026, ahead of the full publication expected in October, partly in response to the devastating floods that struck Nepal and Tibet in late August.

Accelerating Glacier Loss and Monitoring Gaps

Himalayan glaciers across the broader Hindu Kush-Himalaya region are now shrinking at a markedly higher rate. Only about 21 of an estimated 40,000 glaciers in the Himalaya-Karakoram range are being monitored in detail and on a sustained basis. This sparse coverage is especially concerning because retreating ice leaves behind expanding lakes held back by unstable deposits of rock and ice. Warming is also destabilising permafrost and high mountain slopes, raising the risk of cascading hazards such as glacial lake outburst floods (GLOFs).

India has already classified 56 glacial lakes as “very high risk” following a 2025 scientific assessment of 189 high-risk lakes. The Central Water Commission is monitoring 2,485 glacial lakes larger than 10 hectares across the country’s Himalayan river basins. Past events underscore the danger: a 2023 GLOF in Sikkim killed at least 70 people and damaged roads, bridges and hydropower projects, while a 2021 disaster in Uttarakhand claimed more than 200 lives.

Pema Gyamtsho, director general of ICIMOD, noted the growing complexity of these risks. “Glaciers are retreating, permafrost and high-mountain slopes are becoming increasingly unstable, and communities and infrastructure downstream face growing risks from complex and cascading hazards,” he said. Such hazards, he added, “do not respect national borders, and no single country can address them alone.”

Economic Stakes: National Infrastructure, Local Costs

The report places an unusually large economic figure on the region’s importance. Himalayan water and related systems underpin an estimated 21.5 per cent of India’s GDP – around Rs 64.8 lakh crore – sustaining wheat and rice cultivation in the Indo-Gangetic Plain, tea estates in Assam and West Bengal, industries, hydropower and pilgrimage economies. Yet Himalayan states capture only about 5 per cent of this value. The rest accrues downstream, while ecological and disaster-related costs remain concentrated in the mountains.

“(The) Himalayas are not a remote environmental issue. They are load-bearing economic infrastructure for India, and are approaching a tipping point, with millions of lives and livelihoods hanging in the balance,” said Arushi Chopra, senior director at Systemiq and lead of its Resilient Himalayas Programme. “Water flowing from these mountains sustains wheat and rice cultivation in Indo-Gangetic Plain, tea estates of Assam and West Bengal, industries of West Bengal and hydropower of Northeast. If we allow the Himalayan system to destabilise, consequences will be felt beyond the mountains.”

Economist Lord Nicholas Stern, chair of the Grantham Research Institute on Climate Change and the Environment at the London School of Economics, described the range as the “Third Pole.” “Unlike the Arctic or Antarctic, this pole has hundreds of millions of people living beneath it,” he said. “This is national and international infrastructure.”

The Himalayan region accounts for roughly 18 per cent of India’s land area but about 35 per cent of its disasters. Mountain states already face significantly higher development costs: government spending is around three times the national average, and delivering basic services and infrastructure can cost two to five times more than in the plains. Difficult terrain, geological vulnerability, landlocked geography, a narrow revenue base and forest-cover restrictions further constrain fiscal capacity.

Peak Water and the Long-Term Outlook

Most Himalayan river basins are expected to reach “peak water” – the point at which glacier meltwater flows reach their maximum before declining – around the middle of this century. On current trajectories, the Hindu Kush Himalaya could lose up to 80 per cent of its present glacier volume by 2100, with profound implications for the natural water-storage system that supports downstream economies.

Not all drivers of melt are beyond regional control. The research estimates that roughly one-third of Himalayan glacier melt is driven by black carbon, much of it originating from brick kilns in the plains. Soot deposited on snow and ice absorbs more sunlight and accelerates melting. Unlike global greenhouse-gas emissions, black-carbon pollution is a lever that India and its neighbours can act on directly.

Tourism, Resilience and a New Growth Model

Tourism illustrates the economic mismatch. The Indian Himalayan region receives roughly 400 million visits a year, yet this footfall-led model has not translated into greater local resilience or higher retained value. Foreign visitors account for only about 1 per cent of trips. The report calls for a shift from maximising visitor numbers to maximising value per visitor, managing carrying capacity, and reinvesting revenues in local communities, infrastructure and ecosystems. Longer-stay circuits, premium experiences, homestays, local guides, food, crafts, wellness and nature-based enterprises are proposed as alternatives.

The assessment sets out a resilient growth model for the Indian Himalayas and identifies 10 critical transitions. These range from reducing black-carbon emissions and expanding glacier monitoring to improving disaster early-warning systems, strengthening natural infrastructure (springsheds, watershed management and glacier protection), risk-informed spatial planning, and changing the way tourism is developed. Investments in these areas could deliver potential returns of around eight times per rupee invested.

“The Himalayas are approaching a tipping point, with millions of lives and livelihoods hanging in the balance,” Chopra reiterated. “Glaciers are melting faster than they were a decade ago.” Securing a prosperous and vibrant future, she emphasised, will require collective action; no single actor can do it alone.

The recent floods in Nepal and Tibet, which killed more than 1,300 people and left thousands missing, have sharpened the urgency. The report’s authors stress that cross-border monitoring, shared risk information, early-warning systems and joint investment in resilience are essential – not only to save lives but to protect the economies and livelihoods that depend on the mountains.

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