The relationship between weather and our travel choices is complicated. We can't change the weather, but, with many other factors in play, good policy and design can reduce its impacts.
Heatstroke is a medical emergency and often kills. But there are many processes in the body that occur between being exposed to heat and ending up in the ED – and warning signs to look out for too.
Climate change is making heat waves more frequent and intense around the world. Cities are hotter than surrounding areas, so urban dwellers – especially minorities and the poor – are at greatest risk.
Major airports around the world will see more frequent flight restrictions in the coming decades because of increasingly common hot temperatures.