Are the Himalayan glaciers at a tipping point?

喜马拉雅山脉的冰川是否已达到临界点?

The Inquiry

2026-05-19

24 分钟
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The Himalayan glaciers are melting more rapidly as global temperatures rise, raising concerns about the future of ecosystems and communities across the Himalayan mountain range. Glaciers store more than two thirds of the world’s freshwater and help regulate global temperatures by reflecting the sun’s rays. Across South Asia, melting ice is contributing to the formation of unstable glacial lakes and increasing the risks of floods, droughts and avalanches. The Himalayas are a vital source of water for millions of people, supporting agriculture, energy production and livelihoods from tourism. Experts warn that continued glacier loss could have significant consequences for people living in the region and the mountainous ecosystem, but what can be done to respond to these changes? This week on The Inquiry, we’re asking: are the Himalayan glaciers at a tipping point? Contributors: Pasang Yangjee Sherpa, assistant professor at the University of British Columbia, Canada Pam Pearson, director and founder of the International Cryosphere Climate Initiative, US Matthias Huss, glaciologist and senior scientist at the Swiss Federal Institute of Technology Zurich, Switzerland Alton Byers, faculty research scientist at the Institute of Artic and Alpine Research at the University of Colorado, US Presenter: Tanya Beckett Producer: Matt Toulson Researchers: Evie Yabsley and Amelia Cox Editor: Tom Bigwood Technical producer: Mitch Goodall Production management: Phoebe Lomas and Liam Morrey (Photo: Trekkers walk to Everest Base Camp in Nepal. Credit: Kriangkrai Thitimakorn/Getty Images)
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  • Welcome to The Inquiry from the BBC World Service with me, Tanya Beckett.

  • One question, four expert witnesses and an answer.

  • Glaciers are fundamental to our existence on Earth.

  • They store more than two-thirds of the world's

  • fresh water and are essential to the lives of two billion people worldwide.

  • They also help regulate global temperatures by reflecting the rays of the sun.

  • But climate change is causing them to melt away,