Search and rescue operations in Nepal and Tibet face mounting peril following a catastrophic glacial collapse that triggered a massive deluge of ice, mud, and debris. The USGS confirms the disaster—Nepal’s deadliest since the 2015 earthquake—swept away entire villages, submerged hydroelectric plants, and left almost 3,000 people missing, including 933 workers at hydropower projects, regional trekkers, and pilgrims.The death toll continues to rise, with emergency crews recovering 682 bodies, some...