Introduction to Sustainable Urban Renewal02

Introduction to Sustainable Urban Renewal02 - 13 Part I...

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[ 13 ] In this part of the report we set out our theoretical framework and explain the concept of sustainability in order to place our research in the context of sustainable development. We intend to examine, amongst others, the poten- tial role of performance agreements in relation to sustainable building in urban renewal planning processes. First, however, we need to understand the theories and developments surrounding decision-making processes, planning processes and performance agreements. This will clarify the context of the decision-making and planning and uncover opportunities for performance agreements on sustainable building in urban renewal. In addition, by treating the decision-making process as a policy network we will be able to find ways of analysing the two case studies. A discussion of the modern challenges fac- ing the social housing sector will shed light on the role of social housing in sustainable urban renewal, as these also figure in the background in the case studies. As the aim of this research is also to deliver policy recommendations, we shall explain our approach to policy instruments. This part further intro- duces the principles for the feasibility studies (see Part 2), along with more general references to the reduction of CO 2 emissions in the domestic sector, the extension of the functional lifespan of housing and some international examples. It is not our intention to provide an exhaustive account of the above-mentioned developments and theories; only those which are relevant to this study are addressed. Part I Context
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[ 15 ] 2.1 Introduction In this chapter we describe the theoretical framework and practical consider- ations that form the starting point for our analysis of energy efficiency in housing and the decision-making and planning processes in the case studies plus the development of a model for performance agreements. Section 2.2 looks at sustainable urban renewal: it describes the concept of sustainable development, the decision-making process, the planning process and the role of the social housing sector. Section 2.3 discusses policy instruments for sus- tainability and energy efficiency and touches on the history of performance agreements. Section 2.4 presents concepts and international examples for feasibility studies on energy efficiency. Section 2.5 focuses on the extension of the functional lifespan. 2.2 Sustainability and the renewal of post-war housing 2.2.1 Concepts of sustainability Reliable estimates of the earth’s resources have lead to the conclusion that the consumption of energy and materials in industralized countries needs to be reduced to 5% of its present level within the next 50 years. This alarming figure has met with a whole array of reactions, ranging from total disbelief to diffidence (Tjallingii, 1996). Over the past three decades the focus of the envi- ronmental debate has shifted from ‘survival’ to ‘responsibility and steward- ship’ (Cole, 2004). Lately, there has also been a lot of discussion about the extent of environmental problems (Lomborg, 2001). A widely-held position is
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