Is LEED Leading Asia?: an Analysis of Global Adaptation and Trends
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Abstract Green buildings are increasingly gaining attention in the building industry globally. Green building rating systems have been instrumental in driving this front. Increasing number of green rated buildings and the national and international level rating systems speak for the importance of green buildings. A majority if not all rating systems are established on the same fundamental principles which are reflected in their credit categories, credit distribution and weighting. Life Cycle Assessment has been adopted in LEED rating system to rationalize the possible impacts and hence the credit weighting. Although the logic is well rationalized, this distribution is not reflected in actual practice due to many reasons such as cost implications, practical limitations and regional variations. Therefore certain credit categories that are most prevalent in LEED rated projects in the US might not be reflected important in LEED rated projects in Asia. Considering the rapidly progressing adaptation of LEED system in Asia, this paper intends to explore adaptation trends in LEED system comparing projects in the US and in Asia. Our study analyses fifty urban office projects in the US and in Asia that have achieved either Gold or Platinum level rating under LEED for New Construction and Major Renovations rating system version 2 and 2.2. Size of the projects will be determined by benchmarks specified by Core & Shell system. Data will be primarily obtained from LEED score sheets. Data will be analysed based on simple statistical analysis methods. Findings are expected to reflect how rating system requirements are adopted in practice, and regional trends and which will lead to suggestions how rating systems should be more encompassing and be inline with practical implementation.