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How much sustainability substance is in urban visions? - An analysis of visioning projects in urban planning

机译：城市视野中有多少可持续性物质？ -分析城市规划中的远景项目

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Cities are hubs of social interaction, trade, and innovation. Yet, they face sustainability challenges of economic decline, social injustices, and environmental degradation. Urban planning is a critical instrument to cope with these challenges. Visioning, the process of constructing desirable future states, can provide direction for sustainability-oriented planning and decision-making and is increasingly used in this capacity. However, there is ample evidence that urban visions are often not designed along a robust set of sustainability principles. We analyze nine explicitly sustainability-related urban visions from Sweden, Germany, Ireland, Canada, USA, and Australia with respect to their sustainability substance, i.e. in how far they, broadly and in detail, adhere to sustainability principles. Using rough set analysis, we identify a number of procedural components that enable or obstruct the inclusion of sustainability substance in urban visions. Results indicate that the sampled urban visions do not substantially and comprehensively include sustainability substance, instead narrowly focus on optimizing the built environment, for example. Furthermore, the sustainability substance of visioning processes benefits from stakeholder engagement that includes capacity building, whereas some other types of participation obstruct the inclusion of sustainability substance. The study concludes with recommendations for visioning processes to yield urban visions with sustainability substance inclusive of a diverse and integrated set of sustainability principles. (c) 2015 Elsevier Ltd. All rights reserved.
机译：城市是社会互动，贸易和创新的枢纽。然而，他们面临着经济衰退，社会不公正和环境恶化的可持续性挑战。城市规划是应对这些挑战的重要手段。愿景是构建理想的未来状态的过程，可以为面向可持续发展的计划和决策提供指导，并且越来越多地以这种能力使用。但是，有充分的证据表明，城市愿景通常不是根据一套强大的可持续性原则来设计的。我们分析了瑞典，德国，爱尔兰，加拿大，美国和澳大利亚的9个明确的与可持续性相关的城市愿景，涉及其可持续性实质，即它们在多大程度上详细遵守了可持续性原则。通过粗糙集分析，我们确定了一些程序性组成部分，这些程序性成分可以使或阻碍将可持续性物质纳入城市视野。结果表明，所采样的城市视野并未实质性地，全面地包含可持续性实质，例如，仅关注于优化建筑环境。此外，远景过程的可持续性实质得益于利益相关方的参与，其中包括能力建设，而其他一些类型的参与则阻碍了可持续性实质的纳入。这项研究最后提出了关于愿景制定过程的建议，以产生具有可持续性实质内容的城市愿景，其中包括一系列多样化和整合的可持续发展原则。 （c）2015 Elsevier Ltd.保留所有权利。

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