The document discusses the concept of a 15-minute city, where residents can meet most of their daily needs within a 15-minute walk or bicycle ride from their homes. It provides examples of cities that are implementing this approach, including Paris, which is aiming to make neighborhoods more livable by increasing proximity to services. The document also notes opportunities for changing lifestyles in the wake of COVID-19, by emphasizing walking, cycling, local shopping, and access to multiple services close to home.