I heard something on the radio about the mayor of Paris becoming very unpopular for encouraging non-auto centric transport in his city. I didn't hear the whole piece but found this link:
http://www.diplomatie.gouv.fr/en/art...d_article=4695
One thing that is a little different is the concept of "green district" within the city. It seems more comprehensive than just closing off some streets to create a shopping mall atmosphere.