- The Lancet Countdown report highlights that climate change is severely worsening heat stress and disease risks in India. - Rising temperatures have led to increased mortality and morbidity due to extreme heat waves, particularly impacting vulnerable working populations. - Altered weather patterns and prolonged monsoon seasons are expanding the geographic spread and transmission windows for vector-borne diseases like malaria and dengue. - Urgent cross-sectoral adaptation strategies, climate-resilient healthcare infrastructure, and stronger public health interventions are critical for India. - **Lancet Countdown:** An international research collaboration that tracks the evolving health impacts of climate change, monitoring indicators such as heat stress, air pollution, and vector-borne diseases globally and nationally. - **World Health Organization:** A specialized agency of the United Nations responsible for international public health, setting global air quality and health guidelines, and monitoring climate-related health crises. **Introduction** A recent Lancet report highlights the escalating health crisis in India driven by climate change, focusing on severe heat stress, occupational health hazards, and expanding risks of vector-borne diseases. The findings underscore the urgent need for climate-resilient public health infrastructure and adaptive policy frameworks. **Core Issue and Detailed Points** - The Lancet Countdown report highlights that climate change is severely worsening heat stress and disease risks in India. - Rising temperatures have led to increased mortality and morbidity due to extreme heat waves, particularly impacting vulnerable working populations. - Altered weather patterns and prolonged monsoon seasons are expanding the geographic spread and transmission windows for vector-borne diseases like malaria and dengue. - Urgent cross-sectoral adaptation strategies, climate-resilient healthcare infrastructure, and stronger public health interventions are critical for India. **Key Statutory Bodies, Acts & Concepts** - **Lancet Countdown:** An international research collaboration that tracks the evolving health impacts of climate change, monitoring indicators such as heat stress, air pollution, and vector-borne diseases globally and nationally. - **World Health Organization:** A specialized agency of the United Nations responsible for international public health, setting global air quality and health guidelines, and monitoring climate-related health crises.