Too hot to learn: Why school heat is a growing problem
Teachers are increasingly trying to educate students in dangerously hot classrooms, often in old school buildings built to withstand cold weather rather than heat. Unicef says hundreds of millions of schoolchildren globally missed out on education in 2024 after heatwaves forced the closure of their schools. Low- and middle-income countries are the worst hit, especially in cities where the urban heat island effect drives temperatures even higher.