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Story summary
- Kandersteg faces a potential massive landslide from the unstable Spitze Stei formation.
- Scientists link the instability to thawing permafrost and glacier dynamics from climate change, and Professor Markus Stoffel says melting ice acts like cement.
- In May 2025 a rock-ice mass surged down Loetschental valley, prompting evacuation and covering Blatten in mud.
- Greenpeace Switzerland expert Nathan Solothurnmann warns that increasing landslides could force valley abandonment or make protective measures too costly.
