In June 2019, much of Europe was struck by early heatwave, with temperatures reaching nearly 46 Centigrade (115 Fahrenheit) in France, an all-time record. A heat wave is characterised by extremely high temperatures over the course of several days and nights. They have significant impact on our daily lives – we feel overheated and tired. When a heat wave strikes, many governments activate a “heat action plan”, advising those affected to drink water, avoid strenuous exercise, and stay cool. If not, one risks having a heat stroke, which can be potentially life-threatening.