- A satellite assessment revealed a 73% reduction in the volume/size of a glacial lake in Bhutan following a Glacial Lake Outburst Flood (GLOF). - GLOF events pose severe downstream risks to Himalayan communities and infrastructure due to rapid drainage of glacial lakes. - Highlights the critical need for continuous satellite monitoring and early warning systems for glacial hazards in the Hindu Kush Himalaya region. - **Glacial Lake Outburst Flood (GLOF):** A sudden release of a massive volume of water from a glacial lake, caused by the failure of a natural moraine or ice dam, often triggered by climate change, melting, or avalanches. - **Glacial Lake:** A lake located on, within, or at the terminus of a glacier, formed by the accumulation of meltwater behind moraines or ice walls. - **Space-based Monitoring:** The use of satellite imagery, remote sensing, and geospatial intelligence to track environmental changes, water levels, and disaster risks in inaccessible high-altitude regions. **Introduction** Recent satellite assessments of a glacial lake in Bhutan demonstrated a 73% reduction in its size following a Glacial Lake Outburst Flood (GLOF). This event underscores the mounting climate change risks in the Himalayan ecosystem, highlighting the necessity of proactive disaster management, space-based monitoring, and robust early warning frameworks to safeguard vulnerable downstream populations. **Core Issue and Detailed Points** - A satellite assessment revealed a 73% reduction in the volume/size of a glacial lake in Bhutan following a Glacial Lake Outburst Flood (GLOF). - GLOF events pose severe downstream risks to Himalayan communities and infrastructure due to rapid drainage of glacial lakes. - Highlights the critical need for continuous satellite monitoring and early warning systems for glacial hazards in the Hindu Kush Himalaya region. **Key Statutory Bodies, Acts & Concepts** - **Glacial Lake Outburst Flood (GLOF):** A sudden release of a massive volume of water from a glacial lake, caused by the failure of a natural moraine or ice dam, often triggered by climate change, melting, or avalanches. - **Glacial Lake:** A lake located on, within, or at the terminus of a glacier, formed by the accumulation of meltwater behind moraines or ice walls. - **Space-based Monitoring:** The use of satellite imagery, remote sensing, and geospatial intelligence to track environmental changes, water levels, and disaster risks in inaccessible high-altitude regions.