Why it is in the news
A glacier collapse in the upper Himalayas dammed a tributary of the Bhote Koshi and then breached, sending debris-laden water down through Rasuwa. Nepal’s disaster authority issued a fresh warning because the blockage lake has not fully drained.
The exam angle
Expect the distinction between a moraine-dam GLOF and a landslide-dammed outburst, and the cascading-hazard chain that runs from warming to infrastructure failure.