Heatwaves take a tougher toll on already vulnerable populations, like the elderly or people with pre-existing conditions, or people who work outdoors.

Europe's heatwave is becoming a growing economic threat as extreme temperatures disrupt transport, reduce labour productivity, damage agriculture and strain power grids.…

Heatwaves take a tougher toll on already vulnerable populations, like the elderly or people with pre-existing conditions, or people who work outdoors.