This is what a glacial lake outburst flood looks like

As the climate changes and glaciers melt, a lesser-known threat lurks in alpine areas: glacial lake outburst floods. These events happen rapidly, releasing huge amounts of water with little or no warning. Unsuspecting communities lying in the flood path can suffer serious losses.

Researchers seek better ways to predict these outburst floods and mitigate their danger. Take a hike through the Swiss Alps with glaciologist Fabian Walter to learn about this phenomenon and our ongoing efforts to understand it.


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