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.
In many cities, stormwater and sewage water are collected in the same sewer. As a result, good rainwater is combined with dirty sewage water. Overflows can create major problems for cities. But avoiding those problems is not exactly easy.
Portland's "Green Streets" program is becoming a new tourist attraction in the city, which officials from other cities are visiting to learn from the Pacific Northwest's model water treatment infrastructure.