Zhao Pengjun, Lv Bin, John Pendlebury

Keywords： Urban Retrofitting; Low-carbon City; Spatial Planning; Energy Consumption; Heritage Conservation

Abstract：

City is the major place where human well-being is developed. It is also the main place in which human has severer impacted on ecosystem and thus the key place where policies are made to reduce the impacts as well. To build a low-carbon and livable city has become a common interest for planners and politicians all over the world. Retrofitting the existing built environment in the historic areas is crucial to the reduction of energy consumption and the development of low carbon city. The findings and conclusions of the articles included in this special issue suggest that energy-efficient regeneration can be achieved from promoting green buildings， reducing energy use in historic heritages，building low-carbon communities， harmonizing land use and transport system，optimizing urban spatial structure， and facilitating green economy. With a prior concern on heritage conservation，the planning for retrofitting the old city should also pay attentions to environmental and social justice. Apparently，planning would be more effective and efficient to reduce energy use if it can cooperate with other instruments，such as consumption behavior education and fiscal policies.

Funds：

赵鹏军，博士，北京大学城市与环境学院城市与区域规划系研究员、博士生导师，北京大学城市交通规划研究中心主任。pengjun.zhao@pku.edu.cn 

吕斌，博士，北京大学城市与环境学院城市与区域规划系主任、教授、博士生导师，北京大学城市规划设计中心主任。lubin@pku.edu.cn 

约翰·彭德尔伯里，博士，英国纽卡斯尔大学建筑、规划与景观学院院长、教授，英国皇家规划协会会员，世界文化遗产委员会委员，历史建筑保护协会会员，国际规划历史学会会员。john.pendlebury@newcastle.ac.uk 

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