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Using Carbon Accounting in Project Planning and Decision Making

机译:在项目计划和决策中使用碳会计

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The pressures of urbanization place demands on city infrastructure and connections between cities. The rapid urbanization in the latter half of the 20th century was carried out against a backdrop of depletion of limited natural resources, generation of wastes, including greenhouse gases, and inefficient use of energy. The Brundtland Commission and subsequent 1987 report recognized this behavior as globally unsustainable. Over the past 25 years, much effort has been expended to establish carbon emissions on a country-by-country basis in order to demonstrate reductions against a baseline. There has been a transformation in energy consumption in commercial and residential buildings as a result of concerted efforts in energy conservation. However, the construction of buildings and infrastructure, and the operations and maintenance of infrastructure have received comparatively little attention, despite being responsible for significant proportions of global greenhouse gas emissions. This paper concentrates on the use of carbon accounting and embodied energy methods for a wide range of ground engineering construction activities. The authors examine concepts of Capital and Operational Carbon and associated payback period, and provide examples that show how this holistic approach can result in design changes and considered choices in construction and maintenance means and methods.
机译:城市化的压力对城市基础设施和城市之间的联系提出了要求。在20世纪后半叶,由于有限的自然资源枯竭,产生包括温室气体在内的废物和能源利用效率低下,城市化进程迅速。布伦特兰委员会和随后的1987年报告认为,这种行为在全球范围内是不可持续的。在过去的25年中,为了显示相对于基准线的减少量,已经付出了很多努力来建立各国的碳排放量。由于节能的共同努力,商业和住宅建筑的能耗发生了变化。但是,尽管建筑物和基础设施的建设以及基础设施的运行和维护引起了全球温室气体排放量的很大比例,但是却很少受到关注。本文着重于碳核算和具体体现的能源方法在各种地面工程建设活动中的使用。作者研究了资本和运营碳的概念以及相关的投资回收期,并提供了一些示例来说明这种整体方法如何导致设计变更以及在构造和维护方式上的合理选择。

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