未来的城镇生活
city life in the future
city in the future will be sustainable city with improved transportation,green buildings,water management and intelligent power supply systems steer rapid urbanization into sustainable development.The challenges presented by sustainable urban development are immense.Today,about half a billion Chinese live in urban areas.By 2030,this number is likely to have doubled.Cities are responsible for around two thirds of all energy used,60 percent of all water consumed and 70 percent of all greenhouse gases produced worldwide.To face the multitude of challenges arising from urbanization and demographic change,green cities are assessing ways to improve the efficiency of their infrastructures.With the right technology,cities can become more environmentally friendly,increase the quality of life of their residents and cut costs,all at the same time.