Planners strive to create efficient spaces amid rapid urban population growth worldwideOBGplus
In 2008, for the first time in history, more than half of humanity was living in urban areas. Perhaps the most remarkable observation about this trend is the speed at which it has happened: as recently as 1900 urban areas accounted for 13% of the global population. Towns and cities are seen as the crucibles of opportunity for many rural dwellers. The UN estimates that by 2030 urban areas will…