



But looking ahead, 90 percent of the future urban increase is expected to take place in Asia and Africa, and it is projected that more than two-thirds of all people will be calling cities home by 2050. Looking back, the first wave of urban migration took place in what are today’s more developed countries, especially in Europe and North America. Throughout history, cities have attracted people as centers of culture, religion, learning, and economics. In fact, by 2008 over 50 percent of the global population was living in urban areas. Across the globe and in a short amount of time, we’ve given up the tractor for the city bus, the open landscape for one of brick and mortar.
