KATHMANDU, Sept 4 — Nepal is reeling from a deadly Himalayan glacial mountain collapse on the border with China that has killed more than 1,300 people and left upwards of 5,600...

Rising sea levels, extreme weather and drought all remain concerns, but destabilised ice and snow at high altitudes is increasingly a threat.

The glacier collapse that led to devastating flash floods across the Himalayan region of Nepal and its border with the Chinese autonomous region of Tibet on August 26 was preceded…