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.
Unbounded by budgetary concerns, lengthy approvals processes, or NIMBY neighbors, China is building 100 new airports over the next two years. Does their process offer any lessons for how to fix America's crumbling air infrastructure?