Architecture, Building and Planning - Theses

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Author: Divakaria, Shailaja × End date: 2009 × Start date: 2000 × Type: PhD thesis × Subject: Australia ×

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    Reducing greenhouse gas emissions from residential buildings in Australia : impact, opportunities and barriers impeding progress
    Divakaria, Shailaja ( 2003)
    The quest underlying this research is improved understanding of greenhouse gas reductions attributable to residential buildings in Australia. Past efforts to reduce CO2 emissions from residential buildings in Australia focus predominantly on operational energy and to a lesser extent CO2 emissions attributable to energy embodied in the building structure, i.e. an individual dwelling and its site. The emissions and corresponding opportunities associated with the life support systems servicing the dwelling, e.g. water supply, food supply, sewage disposal, are still relatively unexplored. The first part of this research takes a wider view by including the life support systems. As a demonstration of how the impact of the life support systems can be studied, water supply and sewage disposal are explored in detail. Once potential opportunities for reduction are identified, these opportunities also need to be realised. Both the theory and practice of energy conservation in residential buildings worldwide, and in Australia, have been there since the 60s and 70s. However, there is evidence that implementation in Australia has not transferred into the mainstream as yet. Efforts have been made to identify the barriers impeding progress to energy efficiency. These are mostly based on personal observation. Structured methods based on empirical data are restricted to individual key players such as architects or householders. Empirical studies of a limited cross section of the key players have been carried out overseas but are restricted to commercial buildings. These studies have also been isolated attempts and not as part of an overall management strategy. In the second part of this research a diversity of needs and barriers faced by a wide cross section of key players is identified empirically, as part of an overall management strategy aimed at achieving energy and related CO2 reductions from residential buildings in Australia. Energy reduction is taken to include operational energy, embodied energy and the energy associated with the life support systems of a dwelling. It is proposed that both these domains of opportunity identified present opportunities for significant reductions in CO2 emissions from residential buildings in Australia.