A new statistical analysis of Airbnb listings shows the short-term-rental service is growing worldwide, but suggests that many hosts don't stick with it. Intermittent commercial uses of residences could be seen in the planning context of "mixed use."
Donald Trump invokes the darkest days of urban decay and crime to appeal to his base. The facts speak to an urban triumph that has led to greater national prosperity and higher standards of living for tens of millions of Americans.
Within a few decades, explosive population growth in West Africa will create an urbanized area similar in size to America's eastern seaboard between Boston and D.C., "only far more populous." At one pole is Lagos, a "powerful new city-state."
Utilizing the largest data release of its kind, researchers at IBM have analyzed the location information from 500,000 cell phones to help optimize the routing of buses in Ivory Coast's largest city of Abidjan.