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| 1 |
ID:
116951
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| Publication |
2012.
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| Summary/Abstract |
Green residence development has been one of the important strategies for promoting sustainable urban development. Governments throughout the world have been encouraging property developers to deliver green properties. In line with this development, governments have been implementing various assessment programs to certify green residential buildings with the aim of contributing to sustainable urban development. With reference to the Chinese construction practice, this paper examines the effectiveness of the green residence assessment scheme toward its defined aim through investigating the contents and procedures of the green residence assessment scheme by referring to the practices of Chongqing city in western China. Based on the results of five case studies and five semi-structured interviews, this study reveals the significant contribution from implementing the green residence assessment scheme particularly to energy saving in residential buildings. Further, the green residence assessment scheme promotes the application of green building materials and green construction technologies in the entire process of delivering and operating residential buildings. The findings provide valuable references for further investigating alternative methods to achieve better energy saving in developing residential buildings.
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| 2 |
ID:
111332
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| Publication |
2012.
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| Summary/Abstract |
The world is facing the severe challenges of energy depletion and carbon dioxide (CO2) emissions, and solar energy is considered to be a promising source of renewable energy and effective solution. However, the application of solar energy is limited in practice due to various barriers. Based on data collected from a survey of practice, this paper identifies the key barriers to the deployment of solar photovoltaic (PV) energy systems in Hong Kong. These include "high initial and repair cost", "long payback period", "inadequate installation space and service infrastructure", "lack of participation of stakeholders/community in energy policy" and "lack of incentives by legislation and regulation". Recommendations for addressing these barriers are proposed. For example, the high cost of solar PV energy systems can be reduced by the development and mass production of low-cost fabrication technologies and high performance PV technologies. Solar thermal applications should be encouraged as they are much more economical than solar PVs. It is also recommended that the Hong Kong Government adopt strategies to encourage a greater use of solar energy systems. The results from this study not only provide useful information for the Government, the private sector and consumers in Hong Kong but are also likely to apply equally to other similar regions around the world.
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