At an international conference on heatwave trends, Professor Jon Samseth highlighted the alarming increase in heatwaves across Southeast Asia, noting that they are becoming more frequent, longer-lasting, and intense. Since 2000, the world has seen nearly 500,000 heat-related deaths each year. Major cities such as Delhi, Karachi, and Dhaka are experiencing extreme temperatures that threaten human survival. In India, particularly in Karnataka, regions like Mysuru are now recording summer highs exceeding 40°C. The consequences of these heatwaves include water scarcity, crop failures, and increased mental health stress, disproportionately affecting vulnerable groups such as the elderly, children, outdoor workers, and the urban poor. The Karnataka State Heat Wave Action Plan 2024–25 has identified 15 districts as highly vulnerable to heatwaves, emphasizing the urgent need for public health interventions and climate adaptation strategies.