Probabilistic social cost-benefit analysis for green roofs: A lifecycle approach

Bianchini, Fabricio; Hewage, Kasun

doi:10.1016/j.buildenv.2012.07.005

Cited by 212 publications

(171 citation statements)

References 33 publications

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“…One specific aspect of green design, green roofs, has been touted as a tool for climate change mitigation given the apparent sustainability benefits, socially, economically and environmentally [4]. The numerous and wide ranging benefits of green roof technology have been widely recorded in the international body of knowledge.…”

Section: Introductionmentioning

confidence: 99%

An Insight into the Commercial Viability of Green Roofs in Australia

2016

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Construction industries around the world have, in recent history, become increasingly concerned with the sustainability of building practices. Inherently, the development of the built environment results in partial or complete destruction of the natural environment. Advanced European and North American countries have turned to green roofs as a means of sustainable development. Australia, on the other hand, has yet to fully realize the potential of green roof technology. In the first case, an extensive review of green roof literature was undertaken to establish the dominant perspectives and over-riding themes within the established body of international literature. The collection of primary data took the form of qualitative, semi-structured interviews with a range of construction practitioners and green roof experts; landscape architects, consultants and academics. The information gained from the interviews facilitated the primary aim of the paper; to critically analyse the state-of-practice in the Australian green roof industry. Green roofs, despite their proven sustainability benefits and their international success, have experienced a relatively sluggish uptake in the Australian construction industry. With this being said, the Australian green roof industry is considered to have promising potential for the future; should there be legislative changes made in its favour or greater education within the industry. To advance the local industry, it was found that government authorities are required to adapt policy settings to better encourage the use of green roofs, whilst industry bodies are required to host better, more targeted educational programs.

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Section: Introductionmentioning

confidence: 99%

An Insight into the Commercial Viability of Green Roofs in Australia

2016

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“…It therefore encourages further in-depth and large scale studies to link these insights to cost-benefit analyses (e.g., [67]) and other studies trying to value aesthetic benefits (e.g., [20]). A large-scale study, in which the self-selection bias towards participants interested in this environmental topic is taken into account, would allow for an in-depth analysis of preference heterogeneity and robust mWTP estimates when the necessary conditions (see Section 3.6) are met.…”

Section: Discussionmentioning

confidence: 92%

Do Looks Matter? A Case Study on Extensive Green Roofs Using Discrete Choice Experiments

et al. 2018

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Abstract:Extensive green roofs are a promising type of urban green that can play an important role in climate proofing and ultimately in the sustainability of our cities. Despite their increasingly widespread application and the growing scientific interest in extensive green roofs, their aesthetics have received limited scientific attention. Furthermore, several functional issues occur, as weedy species can colonize the roof, and extreme roof conditions can lead to gaps in the vegetation. Apart from altering the function of a green roof, we also expect these issues to influence the perception of extensive green roofs, possibly affecting their acceptance and application. We therefore assessed the preferences of a self-selected convenience sample of 155 Flemish respondents for visual aspects using a discrete choice experiment. This approach, combined with current knowledge on the psychological aspects of green roof visuals, allowed us to quantify extensive green roof preferences. Our results indicate that vegetation gaps and weedy species, together with a diverse vegetation have a considerable impact on green roof perception. Gaps were the single most important attribute, indicated by a relative importance of ca. 53%, with cost coming in at a close second at ca. 46%. Overall, this study explores the applicability of a stated preference technique to assess an often overlooked aspect of extensive green roofs. It thereby provides a foundation for further research aimed at generating practical recommendations for green roof construction and maintenance.

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“…Approximately three-quarters of articles were published in 2010 or later (Figure 1). The objectives of the majority of articles can be grouped into: (1) the development of conceptual or operational frameworks for systemic understanding of green infrastructure use and innovation [23][24][25][26][27][28]; (2) the investigation of factors, such as policy or planning instruments and the action of stewardship groups, that influence the use and performance of green infrastructure and innovation in the field [16,17,19,[29][30][31][32][33][34][35][36]; and (3) the assessment of the performance of green infrastructure in providing ecosystem services [25,[37][38][39][40][41][42][43][44][45][46][47][48][49] (Table 1). Exceptions to this grouping include two articles that described the spatial diffusion of green infrastructure technology [4] or defined sustainability and examined its underlying principles [50].…”

Section: Resultsmentioning

confidence: 99%

“…In other cases, green infrastructure is initially more expensive and savings are realized over the life span of the technology [19]. For example, the typical lifespan for a green roof is 40-55 years whereas a conventional roof is expected to last roughly 20 years [37]. The ecosystem services provided by green infrastructure also function as an indirect financial incentive when they are translated into monetary terms.…”

Section: Discussionmentioning

confidence: 99%

The Socio-Ecological Factors that Influence the Adoption of Green Infrastructure

Tayouga

Gagné

2016

Sustainability

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Green infrastructure is defined as any type of infrastructure that has the purpose of lessening the burden of development on the environment and/or has the aim of providing ecosystem services, such as runoff management, air temperature reduction, carbon sequestration, and habitat provisioning. Despite these potential benefits and a recent increase in popularity, the widespread use of green infrastructure has been limited. To ascertain why this may be the case, we asked: What are the socio-ecological factors that influence the adoption of green infrastructure? To answer this question, we carried out a review of the literature. We found 32 papers addressing our research topic, three quarters of which were published since 2009. Based on the results and conclusions of the articles we reviewed, we identify six factors that influence the adoption of green infrastructure: Education, the Provision of Ecosystem Services, Financial Incentives, Coordination Among Actors, Laws and Policies, and Planning Recommendations. We present a model of the direct and indirect effects of each factor on the adoption of green infrastructure and investigate the geographic variability of factors. Our results indicate that Education, the Provision of Ecosystem Services, and Financial Incentives are the most influential factors affecting the adoption of green infrastructure because they are supported by the greatest number of articles regardless of location of study and have the greatest number of linkages with other factors and adoption in our model. We conclude with evidence-based strategies to promote the use of green infrastructure in order to create more sustainable environments.

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Probabilistic social cost-benefit analysis for green roofs: A lifecycle approach

Cited by 212 publications

References 33 publications

An Insight into the Commercial Viability of Green Roofs in Australia

An Insight into the Commercial Viability of Green Roofs in Australia

Do Looks Matter? A Case Study on Extensive Green Roofs Using Discrete Choice Experiments

The Socio-Ecological Factors that Influence the Adoption of Green Infrastructure

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