The video footage is violent and unsettling.
On Sunday, a torrent of ice, water, mud, and debris surged through a steep river valley in the northern Indian state of Uttarakhand. At least 32 people are dead, with nearly 200 missing.
The tragic event happened in a warming Himalayan region where glaciers are rapidly melting and retreating. Yet glacier experts say the flood likely wasn’t triggered by the collapse of or “burst” from (not a thing) a glacier itself, though the heating…