Cities occupy less than two percent of the earth＇s surface, yet they consume between 60 and 80 percem of the available energy worldwide and are responsible for 75 percent of greenhouse gas emissions. In the light of ...Cities occupy less than two percent of the earth＇s surface, yet they consume between 60 and 80 percem of the available energy worldwide and are responsible for 75 percent of greenhouse gas emissions. In the light of diminishing resources and global population growth, the need for sustainable urban development and a common set of metrics to monitor it is becoming ever more urgent.展开更多
文摘Cities occupy less than two percent of the earth＇s surface, yet they consume between 60 and 80 percem of the available energy worldwide and are responsible for 75 percent of greenhouse gas emissions. In the light of diminishing resources and global population growth, the need for sustainable urban development and a common set of metrics to monitor it is becoming ever more urgent.
