Melting Snow in the Hindu Kush and Himalayan Region: A Looming Crisis

Introduction As often described, the third pole is the Hindu Kush and Himalayan (HKH) region, housing the most ice and snow after the polar regions. It covers eight nations— Nepal , India , China , Pakistan , and Afghanistan— and is the source of ten major river systems, including the Ganges, Indus, and Brahmaputra. This vital region sustains the livelihoods of more than two billion people, either directly through glacial meltwater or indirectly through agriculture and hydropower. Yet the increasing speed at which snow and ice are melting brings an added risk to this delicate ecosystem and the communities that rely on it. The Current Situation The HKH region has experienced extreme heat waves over the past century. According to the International Center for Integrated Mountain Development (ICIMOD) , the region’s average temperature has risen about 1.5°C over the past century—nearly twice the global average. A study published in Nature in 2019 estimated that, even with significant ...