Extreme heat has become the deadliest climate-related hazard in Europe, with significant heat-related deaths reported in countries like Italy and Spain. Research highlights that many individuals in England, particularly older adults, fail to respond to heat-health alerts issued by the UK Health Security Agency and the Met Office. Approximately 41% of people do not take action during these alerts, with a notable gap in response among older adults and those with lower income or education levels. The study found that only 25% of individuals acted upon a yellow alert, while 72% responded to a red alert. This suggests a lack of awareness and understanding of heat risks, compounded by cultural associations of heat with good weather. To mitigate heat-related harm, experts recommend improving communication strategies, especially for vulnerable populations, and promoting awareness of protective measures during heatwaves. As heatwaves become more frequent, effective communication and public education will be crucial in reducing health risks associated with extreme temperatures.