Although most people today consider the escalator a luxury for mall-shoppers and metro-users, Hong Kong has turned it into a complete 800-meter-long public transportation system.
A housing project focusing on the needs of bicycle users shifts money that would have been spent on cars to community areas, green space and other facilites that improve the standard of living.
A former military area in Southern Freiburg has been converted into the environmentally friendly district of Vauban; a place where citizens take an active part in decision processes, buildings are energy efficient and streets are car-free.
In 2007, the Barcelona city council launched a bicycle project called 'Bicing', providing the city's residents with an environmentally friendly alternative to public transport. So far, it has been a huge success.