24 resultados para sustainable planning

em QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast


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Much of the interest in promoting sustainable development in planning for the city-region focuses on the apparently inexorable rise in the demand for car travel and the contribution that certain urban forms and land-use relationships can make to reducing energy consumption. Within this context, policy prescription has increasingly favoured a compact city approach with increasing urban residential densities to address the physical separation of daily activities and the resultant dependency on the private car. This paper aims to outline and evaluate recent efforts to integrate land use and transport policy in the Belfast Metropolitan Area in Northern Ireland. Although considerable progress has been made, this paper underlines the extent of existing car dependency in the metropolitan area and prevailing negative attitudes to public transport, and argues that although there is a rhetorical support for the principles of sustainability and the practice of land-use/transportation integration, this is combined with a selective reluctance to embrace local changes in residential environment or in lifestyle preferences which might facilitate such principles.

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The aspiration the spatial planning should act as the main coordinating function for the transition to a sustainable society is grounded on the assumption that it is capable of incorporating both a strong evidence base of environmental accounting for policy, coupled with opportunities for open, deliberative decision-making. While there are a number of increasingly sophisticated methods (such as material flow analysis and ecological footprinting) that can be used to longitudinally determine the impact of policy, there are fewer that can provide a robust spatial assessment of sustainability policy. In this paper, we introduce the Spatial Allocation of Material Flow Analysis (SAMFA) model, which uses the concept of socio-economic metabolism to extrapolate the impact of local consumption patterns that may occur as a result of the local spatial planning process at multiple spatial levels. The initial application the SAMFA model is based on County Kildare in the Republic of Ireland, through spatial temporal simulation and visualisation of construction material flows and associated energy use in the housing sector. Thus, while we focus on an Ireland case study, the model is applicable to spatial planning and sustainability research more generally. Through the development and evaluation of alternative scenarios, the model appears to be successful in its prediction of the cumulative resource and energy impacts arising from consumption and development patterns. This leads to some important insights in relation to the differential spatial distribution of disaggregated allocation of material balance and energy use, for example that rural areas have greater resource accumulation (and are therefore in a sense “less sustainable”) than urban areas, confirming that rural housing in Ireland is both more material and energy intensive. This therefore has the potential to identify hotspots of higher material and energy use, which can be addressed through targeted planning initiatives or focussed community engagement. Furthermore, due to the ability of the model to allow manipulation of different policy criteria (increased density, urban conservation etc), it can also act as an effective basis for multi-stakeholder engagement.

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Much of the interest in sustainable cities relates to the inexorable rise in the demand for car travel and the contribution that certain urban forms and land-use relationships can make to reducing energy consumption. Indeed, this demand is fuelled more by increased spatial separation of homes and workplaces, shops and schools than by any rise in trip making. This paper evaluates recent efforts to integrate land-use planning and transportation policy in the Belfast Metropolitan Area by reviewing the policy formulation process at both a regional and city scale. The paper suggests that considerable progress has been made in integrating these two areas of public policy, both institutionally and conceptually. However, concerns are expressed that the rhetoric of sustainability may prove difficult to translate into implementation, leading to a further dislocation of land-use and transportation.

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In this paper, we present empirical results of a study on the creation of Sustainable Value among European manufacturing companies. As sustainable development is a future oriented concept we assess the use of environmental resources in companies in the light of the EU15 performance targets for 2010. By using the Sustainable Value approach and based on publicly available company data we measure in monetary terms how individual companies perform vis-a-vis the 2010 performance targets already today. This shows the specific exposure and vulnerability of companies to more stringent policy regimes, and allows meaningful comparisons between both companies and sectors.

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To help the building of new low-carbon housing, recent years have seen the widespread demolition of Victorian housing in UK cities. In this regard, Belfast is no different from its counterparts on the British mainland, where Compulsory Purchase Orders force people to sell and vacate their terraced homes to make way for newly constructed 'sustainable' housing. The global economic downturn has temporarily slowed down this process leaving many Belfast terraces now blocked up awaiting future demolition. This stay of execution is an unlikely but welcome opportunity to review and assess the true value to owner, streetscape and city of this important and common house-type. Important questions need to be asked. Should sound Victorian terraces be demolished? What is the genuine cost of demolition and replacement in terms of community and environment? With reference to case studies in a Belfast context, the argument will be made that new is not necessarily better, that the existing Victorian terrace is an important and valuable resource and one that, with intelligent intervention, offers a genuinely sustainable alternative to new-build housing.

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Dubai, the second largest city of the United Arab Emirates, is a fast growing hub with increasing need for infrastructure, housing and public facilities. Dubai is trying to market itself as an attractive holiday destination, which saw the launching and building of large scale planned communities, some of which are located on reclaimed land along the city's coast line. This paper reviews Dubai\'s green building agenda by examining the scale and typologies of new and planned low carbon projects, and discusses the potential of renewable sources of energy that can reduce the country's dependence on fossil fuels and improve the country's long term sustainability. It assesses the potential of solar energy, wind power, and geo-thermal energy in Dubai and the UAE in general.