The cause of the huge floods and debris flow on the border between Nepal and Tibet, which have caused hundreds of deaths, appears to have been an ice avalanche—the result of a huge piece of a glacier collapsing and cascading down the mountain more than 1,000 meters (3,281 feet) to the valley floor. The Conversation asked Jonathan Bamber, a professor of glaciology at the University of Bristol, about the risks of glaciers melting faster than ever.

The cause of the huge floods and debris flow on the border between Nepal and Tibet, which have caused hundreds of deaths, appears to have been an ice avalanche—the result of a huge piece of a glacier collapsing and cascading down the mountain more than 1,000 meters (3,281 feet) to the valley floor. The Conversation asked Jonathan Bamber, a professor of glaciology at the University of Bristol, about the risks of glaciers melting faster than ever.

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