We are living on an increasingly urban planet. In 2008 we passed the halfway mark—50% of the world’s population now live in cities, and that percentage is projected to increase to 70% by 2050. There is no turning back the urban trend. Yet ironically we have as a species yet to successfully design and plan cities that will accommodate our economic and demographic needs while uplifting and elevating us, and protect, restore, and nurture the planet and its natural systems. That we need new models of urbanization— that is, sustainable urbanization—is especially clear here in the . Where to look for new models is always a question, and.
