Car-Free cities?

National Geographic posted an article about 12 cities that are either car-free zones or have largest green space in the world. For example Curitiba, a city in Brazil os considered one of the greenest cities because it has 560 square feet of green space for every one of its 2 million residents. This is one of the highest rates in the world for cities. It is refreshing to see there are places on this planet that are promoting green space and green living.