UN-Habitat has launched a new open-access portal for urban data. Urban Data allows users to explore data from a number of cities and regions around the world and compare indicators such as slum prevalence and city prosperity. you can try it out for yourself here.

America’s obesity crisis is creating a new concern to make healthy cities, though the rhetoric outstrips the plans. A recent blog on a health website says that more than half of U.S. adults don’t meet the recommended daily requirements for aerobic exercise or physical activity. It makes the case for better planning and design to…