Articles on Glaciers

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U.S. skier Rosie Brennan leads a group during the women’s team sprint classic cross-country skiing competition at the 2022 Winter Olympics. AP Photo/Aaron Favila

What Olympic athletes see that viewers don’t: Machine‑made snow makes ski racing faster and riskier – and it’s everywhere

US Olympic skiers and scientists explain the sharp differences between natural snow and machine-made snow, from the science to the rising risk of crashes.
Rescuers search for survivors on Aug. 18, 2025, after a flash flood submerged homes, killing at least 18 people in a village near Swabi, Pakistan. Hussain Ali/Anadolu via Getty Images

Monsoon flooding has killed hundreds in Pakistan – climate change is pushing the rainy season from blessing to looming catastrophe

More powerful storms and melting glaciers are flooding communities across the region again, with devastating effects, particularly in the mountains.
U.S. Geological Survey staff check monitoring equipment in Suicide Basin in June 2025. By August, the basin had filled with meltwater. Jeff Conaway/U.S. Geological Survey

Glacial lake flood hits Juneau, Alaska, again, reflecting a growing global risk as mountain glaciers melt

Suicide Basin, an ice-dammed lake on an arm of Mendenhall Glacier, has filled up with meltwater and sent destructive surges of water into Juneau for 3 straight summers.
Imja Lake, a glacial lake in the Mount Everest region of Nepal, began as meltwater ponds in 1962 and now contains 90 million cubic meters of water. Its water level was lowered to protect downstream communities. Alton Byers

As mountain glaciers melt, risk of catastrophic flash floods rises for millions

When mountain permafrost thaws and glaciers melt, glacial lakes can become lethal flood risks for anyone downstream.
Brewster Glacier is thinning and retreating because of extremely low retention of winter snow and high summer melt rates. Lauren Vargo/Victoria University of Wellington

NZ’s glaciers have already lost nearly a third of their ice – as more vanishes, landscapes and lives change

Snow and ice loss warms the land surface and air, setting off a feedback loop of further ice loss. This destabilises the landscape, with potentially hazardous impacts.

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