Tibetan Plateau Glaciers Face Growing Instability, Raising Risk of Cascading Disasters Across Nepal Border Region

Glaciers across the Tibetan Plateau are expected to grow increasingly unstable, potentially triggering more frequent collapses and secondary catastrophes, a senior climate official has cautioned, as fatalities from last week’s devastating landslide and flood along the China-Nepal border continue to climb.

“Over the past six decades, the glacier coverage on the Tibetan Plateau has diminished by roughly 24 per cent, with approximately 7,000 smaller glaciers vanishing entirely,” Gao Rong, deputy director of China’s National Climate Centre, said during a press conference on Wednesday.

“Going forward, the structural integrity of glaciers throughout the region will weaken further. Glacial hazards are expected to occur more often and could intensify in severity, extending their impact through cascading consequences.”

China has reported 21 deaths and 541 individuals missing as of Wednesday following a glacier collapse at Langtang Lirung on the Nepalese side of the border on August 26. In Nepal, the death toll had climbed to 1,114 by Wednesday afternoon, with approximately 3,900 people still unaccounted for.

Beijing has expanded its cross-border assistance to Nepal. Foreign ministry spokesman Guo Jiakun announced on Wednesday that China’s second consignment of emergency supplies reached Kathmandu on Tuesday afternoon, accompanied by five DNA identification specialists. A third shipment and a second expert team are currently being arranged.

Following seven days of intensive work, Beijing cleared the road leading to Gyirong Port—the hardest-hit area on the Chinese side—on Wednesday. Heavy equipment has arrived at the location to support deeper search operations.

According to a preliminary assessment released last week, the mudslide generated by the glacier collapse traveled 22 kilometres along the valley, reaching the Gyirong Port border crossing in just seven minutes.

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