Experts have shared their thoughts on why heat-related mortality data can vary from place to place. Without a single perfect and absolute way to measure heat-related deaths, the numbers depend on the approach used and the availability of high-quality data. However, all figures point to high levels of heat-related excess mortality.  The main challenge is not to improve the accuracy of heat death calculations, but to identify and implement solutions to reduce mortality and other impacts of heat.

More information from experts can be found at Global Heat Health Information Network website .