I can probably list more than a hundred studies, reports or articles dealing with the negative impact of cars on modern city structures. But none of them illustrates the benefit of car-free cities so well as the image below does:

City of Münster showing the amount of space occupied if the same group of people would go by car, bus or bike.
Which street would you prefer for living: the one packed with cars or the one where kids could play on?
I never owned a car and don’t plan to do so. My mobility is based on bike, public transport and car sharing and I can’t complain about a low standard of living. [via Helge]