Whether in Switzerland, across Europe or in many other parts of the world, heatwaves are becoming more frequent, more intense and longer-lasting. For more than a week, temperatures in parts of Switzerland have remained above 30 degrees Celsius, with many areas experiencing significantly higher temperatures. And there is no relief in sight. Just before the summer holidays, an important question arises: how well are children protected from extreme heat – at home, on playgrounds and at school?