The Nepal-Tibet glacier collapse has renewed attention on glacier flood risks. Here's why experts are closely watching Juneau, Alaska, and other North American glacier hazards.
The risk of glacier collapses like the one in Nepal yesterday is increasing with rising temperatures. It's something all countries with glaciers need to deal with. "I don't think you can say 'this won't happen to us'. It's better to be safe than sorry. I don't think we can sit back," says glaciologist Nina Kirchner.
The other day, buildings, bridges and roads were washed away when icebergs broke off in the Bhote Koshe glacier in Nepal. There are 88 more dangerous glaciers in Himachal Pradesh that can cause even more destruction. When glaciers located high in the mountains melt, the water from them reaches nearby low-lying areas or behind rock walls.