Climate crisis weakened glacier behind Nepal-Tibet floods — SkimNews
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- World Weather Attribution researchers at Imperial College London concluded climate breakdown was a "destabilising factor" on the geology behind the Langtang Lirung glacier collapse, identifying unusually warm conditions in the days before 26 August when roughly 200,000 sq metres of glacier and rock fell 1,400 metres and slammed into the valley floor
- The collapse unleashed 110 million cubic metres of snow and ice, triggering flash floods that travelled downstream at speeds exceeding 110 mph and killed more than 1,300 people with over 5,000 still missing
- The study found about 2C of warming in the region since pre-industrial times, with temperatures reaching 5C above the 30-year average in the days before the disaster and the Himalayan freezing threshold rising approximately 100 metres per decade since the 1980s
- Researchers classified the event as a "compound crisis," noting that a 2015 magnitude-7.8 earthquake also contributed to slope failure, though its specific role could not be confirmed, and estimated rock avalanches of this size occur only once every 1,000–10,000 years
- Nepal has filed a formal request with the UN loss and damage fund, a process requiring proof of a link to the climate crisis, with Foreign Minister Shisir Khanal demanding top-emitting nations including China and India "wake up" and accept shared responsibility
Why it matters: The WWA study carries direct evidentiary weight for Nepal's UN loss and damage fund claim, which requires proof of a climate-crisis link. By framing the disaster as a compound crisis driven by decades of atmospheric heating rather than a single weather event, the researchers implicitly shift attribution toward major emitters like China and India, strengthening the diplomatic and financial case that vulnerable frontline nations should not bear recovery costs alone.
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