Changing one’s habits because of extreme heat is exactly what this Parisian baker is forced to do if he doesn’t want to ruin his batch of baguettes. “We can even add ice to the dough, to make sure it reaches the right temperature,” explains Frederic Letellier, manager of La Flûte de Meaux bakery in Paris. Bakeries, like other heat-producing businesses, are particularly vulnerable during heatwaves, and the strain on workers is clearly evident. “we don’t have a choice,” says baker Salem Chouikhabaker.