The World Health Organization (WHO) is calling for increased investment in healthcare systems capable of withstanding the impacts of climate change. This appeal comes as Europe experiences an unprecedented heatwave, raising concerns about public health and straining healthcare resources. The WHO Director-General emphasized the need for political leaders to prioritize building “climate-resilient” health systems. These systems would be better equipped to handle extreme weather events and related health crises. The organization warns that climate change is exacerbating existing health challenges and creating new ones. Investing in preventative measures and strengthening healthcare infrastructure are crucial steps to protect populations. The current heatwave serves as a stark reminder of the urgent need for action.