The retreat of Himalayan glaciers poses significant risks to downstream populations relying on glacial meltwater for essential resources. Rivers such as the Ganges, Brahmaputra, and Indus are critical for drinking water, agriculture, and hydropower, particularly during dry seasons. Accelerated glacier loss contributes to global sea-level rise, affecting coastal regions worldwide. The study also highlights the vulnerability of glaciers to warming climates, even in areas with heavy snowfall, emphasizing the broader implications for water security and climate resilience.