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Himalayan ‘glacier bankruptcy’ threatens water security for 2 billion in Asia

Glacier mass loss is causing the region to approach ‘peak water’, the point when river flows stop rising and start declining

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A hydropower project in northern India is damaged after a portion of the Nanda Devi glacier breaks off on February 7, 2021. Photo: AP
Water flows past the remains of a bridge pier in Dhading district, Nepal, on Monday after the structure is washed away by deadly flash floods and a mudslide. Photo: Reuters
People collect water from a glacier at Everest base camp in Nepal on April 13, 2025. Photo: Reuters
Reuters

The Himalayas are approaching a tipping point as glaciers melt faster than a decade ago, threatening water security as the region approaches “peak water” by mid-century, according to a study released this month.

The findings come after the collapse of a Himalayan glacier in late August along the ‌Nepal-Tibet border, which caused cascading landslides and flash floods in the valleys below. At least 1,300 people have been confirmed dead and more than 5,300 are missing across Nepal and China’s Tibet region.

As glaciers retreat, they are leaving behind unstable glacial lakes held back by little ⁠more than loose rock and ice, above valleys where millions of people live, ‌the study found.

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