The ten smartest cities in the world

Forbes has composed a list of the ten smartest cities in the world. But what is a smart city exactly? Today being 'smart' often refers to having a green sustainable agenda. However, the list of Forbes was composed along a wider list of criteria, including upward mobility, economic progress and strong infrastructure. According to Joel Kotkin, composer of the list and presidential fellow in urban futures at Chapman University, cities often brag about being green and environmentally friendly. But in the end he believes "it will not be their clean air but their commercial prowess that will sustain their success in the decades ahead.
The ten smartest cities in the world according to Forbes:
Singapore
Hong Kong
Curitiba, Brazil
Monterrey, Mexico
Amsterdam, The Netherlands
Seattle, Washington, USA
Houston, Texas, USA
Charleston, South Carolina, USA
Huntsville, Alabama, USA
Calgery, Alberta, Canada