Kathmandu, June 22 -- On the afternoon of 28 May, a massive glacier avalanche destroyed the idyllic village of Blatten in the Valais region of Switzerland. Footage of the disaster rapidly circulated around the world, sparking renewed conversation about the increasing instability of the mountain cryosphere and climate-related risks. The population of nearly 300 people had been evacuated a week prior due to concerns that unstable slopes above the glacier could trigger a catastrophic event. This is remarkable, and a testament to the value of hazard monitoring and anticipatory action. Shocked by the intensity of avalanche impacts and devastating loss, people struggled to comprehend the alternative: what if the village had been full?

In Nepal...