TABLE OF CONTENTS - The Professional Green Building Council

Theme B: Creating a livable, healthy and environmentally viable citiesIn addition, international organization OECD (Organization for Economic Cooperationand Development) investigated the current situations of the buildings inmember countries. The statistical data indicated that the ratios of new buildings inmany advanced countries were almost below 2% (show in Table 1). The ratio ofnew building license from 1990 to 2006 in Taiwan has reduced by 3% and ratio ofthe existing buildings was up to 97% (show in Figure 1). With the increase ofbuilding duration, there will be many problems generated. The metropolis is thepopulation and economy center in the world and with the major pollutants ofenergy consumption and Greenhouse air emission. Therefore, the functions andenvironmental quality of old buildings were deteriorating and these buildings alsocaused environmental pollution and landscape damage. If we can propose correctlysustainable improvement strategies and accelerate reactive usage of the buildings,human environment will also be improved.Table 1: Rate of new except exist of OECD countryOECDCountryHousingstarts/stockAustralia 1.7%Canada 1.3%France 1.0%Germany 2.1%Japan 2.8%UK 0.8%US 1.4%NL 1.3%Consequently, this study focused on the implementation of green renovating inexisting buildings of Taiwan for private sector since 2004 adopted the concept ofEco-efficiency to essentially emphasize on the topics of sustainability andefficiency. The buildings include apartments with Condominium ManagementOrdinance, office buildings and private college and schools that focused on theissues of ecological environment design for building sites, building energy saving,resources recycling, building pollution prevention, and indoor environmentalquality. The green renovations in private sector have been improved in the353