Earlier this summer, the UN called for action against extreme heat in response to the deadly heatwaves that have caused an estimated 489,000 heat-related deaths worldwide each year in recent decades. According to the WHO, the WHO European Region accounts for an average of 36 % of these heat-related deaths, or more than 175,000 deaths per year, making heat stress the leading cause of climate-related deaths. (More on climate-adapt.eea.europa.eu)