ELI5: Explain Like I'm 5

Car-free days

Car-free days are special days when people don't use cars for transportation. Instead of driving, people use things like their feet, skateboards, bikes, or public transportation to get around. This is a special way to help the environment because cars produce air pollution, and less cars mean less air pollution. It's also a way for people to get outside, meet new people, and explore their cities.