Warning from the Mountains: The Kerung–Rasuwa Disaster Raises Questions of Climate Change and Shared Himalayan Security

Gou Xiaohua
Deputy Director, Kangba TV

The devastating disaster along the China–Nepal border has plunged us into profound grief. A large number of people have lost their lives, many remain unaccounted for, and countless families have lost loved ones, homes and possessions accumulated over a lifetime. This was not simply an ordinary flash flood. It was a grave warning about the rapidly changing natural risks across the Himalayas and the Tibetan Plateau.

According to preliminary scientific assessments, a massive ice-rock collapse in Nepal’s high mountain region appears to have triggered an extremely powerful debris flow containing soil, rocks, ice and water. The cascading event began at an altitude of more than 5,000 metres and reached lower valleys within minutes. Roads, bridges, settlements, hydropower projects and border infrastructure suffered extensive destruction.

The disaster reminds us of a harsh truth about nature. Risks originating in the high mountains do not recognize national borders. A sudden change in the mountains of one country can reach settlements, roads or border areas of another within minutes. For this reason, the Kerung–Rasuwa disaster cannot be viewed as a tragedy belonging exclusively to Nepal or China. It is a shared crisis arising from a common Himalayan natural system.

We often perceive global warming and climate change as issues far removed from everyday life. Yet the Himalayas and the Tibetan Plateau are now sending a different message. Glaciers are changing. High-altitude rock formations can become unstable. Glacial lakes can expand or shift. Extreme temperatures can disturb the long-established balance among snow, ice, water and geological structures.

It would not be scientifically appropriate to attribute any single disaster directly and conclusively to climate change without detailed investigation. But it is no longer possible to ignore the fact that rising temperatures, changing glaciers and increasing instability in high mountain environments could make future natural hazards more complex and destructive.

The Himalayas and the Tibetan Plateau are more than mountain ranges. They are among the principal water sources for some of Asia’s largest river systems. Changes in these regions can affect not only border communities but also energy, agriculture, transport, trade, drinking water and the long-term security of hundreds of millions of people. Protecting the Himalayan environment is therefore no longer merely an environmental concern. It has become an issue of human security, economic security and regional stability.

The Kerung–Rasuwa disaster has also demonstrated the need to strengthen cross-border disaster cooperation between China and Nepal. A permanent mechanism is needed for the rapid exchange of information on glacier movement, glacial lakes, hydrological conditions, satellite imagery, unstable mountain slopes and potential natural blockages in rivers.

Early-warning systems should no longer be limited to measuring river levels. Ice-rock avalanches, glacial lake outburst risks, sudden river blockages and high-velocity debris flows in the high Himalayas must also be incorporated into an integrated scientific monitoring system. When even a few minutes of advance warning could save hundreds of lives, timely information sharing itself becomes an essential instrument of life protection.

Following the disaster, China has launched extensive search and rescue operations within its own affected areas. Thousands of rescuers have been mobilized, while efforts are underway to restore damaged roads and communications infrastructure. At the same time, China has provided Nepal with relief materials, financial assistance, tunnel rescue specialists, specialized equipment, satellite imagery and hydrological information.

This cooperation carries an important message. If natural crises cross borders, effective responses must also be built through cooperation. In difficult times, recognizing the suffering of a neighbour as one’s own is not merely diplomatic courtesy. It is also a humanitarian responsibility created by shared geography.

In the future, historical flood records alone may no longer be sufficient when designing roads, bridges, hydropower projects, border settlements and other major infrastructure. Changing glaciers, extreme temperatures, landslides, river blockages and geological instability in high mountain areas must increasingly become part of infrastructure planning and risk assessment.

Humanity has made extraordinary advances in science and technology. We dig tunnels, cut roads through mountains, build dams across rivers and open trade routes across the Himalayas. Yet these achievements must never create the illusion that nature has been brought completely under human control. When the natural balance is disrupted, the consequences can exceed the limits of human capability.

Respect for nature, therefore, is not merely a spiritual or philosophical sentiment. It is scientific awareness. It is the foundation of responsible development policy. It is disaster preparedness. And ultimately, it is the protection of human life.

The Kerung–Rasuwa disaster has brought us sorrow, but it has also given us a profound responsibility. The best way to honour those who lost their lives is to make future lives safer. We must invest in scientific research, strengthen early-warning systems, institutionalize cross-border information sharing, improve rescue capabilities and ensure that every development decision takes into account the changing nature of the Himalayas.

Our future can no longer be secured by the old assumption that the mountains will always remain unchanged and stable. The Himalayas have issued a warning. It is our shared responsibility to listen carefully.

Deepest condolences to all those who lost their lives in this disaster. May those still missing be found as soon as possible. Heartfelt solidarity with every affected family.

Reverence and respect for nature remain among the strongest safeguards for all life.