In Taiwan, garbage trucks play classical music like Für Elise so people know the trash truck is

In Chile, giant mesh fog catchers can pull water from coastal mist, so some extremely dry places can

In the UK, some Puffin crossings use sensors to watch the road. If someone is still crossing, the

In Bangladesh, some schools are actually boats. During flood season, solar-powered floating

In Peru, engineers built a billboard that makes drinking water from humid air. It pulls in moisture,

In Curitiba, Brazil, the city lets people trade recyclable waste for bus tickets or food. So

In Iceland, some towns heat sidewalks with geothermal pipes underground. When snow falls, the ground

In Singapore, some crosswalks use Green Man Plus. When elderly people or people with disabilities