Have a look at this Guardian article about Culdesac near Phoenix, Arizona. It is a great example of how design thinking from the very start of a process can lead to much more sustainable outcomes. In this case a designed community with no cars or any of the pollution, danger and waste of space that comes with them. That it has happened in the US, the land of personal mobility as an enshrined right and the love of the large car that has dominated for so long, gives extra cause for hope.
It may be wishful thinking, but the benefits are so much more obvious in more densely population places, like most of Europe and any global city, that we can hope this takes hold and we see an exponential impact.
Genius is one percent inspiration and ninety-nine percent perspiration.