Nepal, Sept. 16 -- The Bhotekoshi flood exposed a new reality of mountain risk: the greatest threats facing the Himalayas are increasingly not isolated hazards, but interacting hazards whose impacts can multiply rapidly across regions and national boundaries.

Nepal's message to the world at the upcoming United Nations General Assembly should therefore be a call to build a safer and more resilient Himalayan region through international cooperation, scientific collaboration, shared responsibility and hydro-diplomacy.

In today's rapidly changing mountain environment, glacier instability, landslides, debris flows, extreme precipitation, flooding, infrastructure disruption, and emergency response challenges can combine within minutes. A loca...