The article looks at why schools in Sweden waste food and how to reduce it. They studied food waste in school canteens and interviewed key people. They found that most food waste comes from serving too much food, not finishing meals, and storing food improperly. Schools can reduce waste by making less food, planning better, and creating a calmer environment. Each school is different, so it's important to figure out why food is being wasted in each school to come up with effective solutions.