Grist.org

The door danger zone- where cars and cyclists intersect - is getting a revamp in San Francisco, highlighting how little room there is on the streets for all users.

A picture's worth a thousand plans - at least when it's a "photo-realistic visualization." Designer Steve Price's detailed 3D flash animations show towns what empty streetscapes and drab buildings could look like with a little bit of planning.

Typically considered a poster child for sprawl, Atlanta's leaders and residents are now trying to steer the city's growth and development down a greener path.