 Subjects -> ARCHITECTURE (Total: 219 journals)
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Authors: Vishnupriya Valeriparambil Narayanan; Arman Hashemi, Heba Elsharkawy, Darryl Newport, Lucienne G. Basaly
Abstract: This paper evaluates the impacts of different insulation materials on Indoor Air Quality (IAQ) and occupant health with a focus on the Volatile Organic Compound (VOC) emissions. The main aim is to identify options that minimize exposure rates while improving IAQ and energy in retrofitted buildings. A comprehensive literature review was conducted synthesizing scholarly articles, guidelines from international organizations, and information on pollutants, IAQ standards, and retrofit strategies. The findings show high emission rates for some insulation materials that could negatively affect health. Hemp insulation in contrast was identified as a promising solution exhibiting low VOC emissions compared to other insulation materials. As sustainable construction practices advance, hemp insulation emerges as a viable retrofit strategy for social housing by synergistically addressing performance gaps related to energy conservation, air quality, and thermal comfort. The synthesis of evidence from this paper suggests that, from environmental and public health perspectives, certain insulation materials are preferable for improving IAQ and reducing the risk of exposure to indoor air pollutants in retrofitted buildings.
PubDate: Mon, 01 Jul 2024 00:00:00 -070
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Authors: Laetitia L. Van der Merwe; Calayde Davey
Abstract: The study explores how organizational structure and culture in the South African property sector influence decision-making on Environmental, Social, and Governance (ESG) challenges and Green Policy development. It hypothesized that traditional hierarchical structures and non-participative cultures hinder digitalization, impairing data collection essential for informed ESG decisions. In contrast, participative cultures and modern or matrix structures facilitate data-driven insights, expediting ESG and Green Policy advancements. Qualitative methods, including unstructured in-depth interviews with key decision-makers across various sectors (listed companies, commercial developers, financiers, real estate agencies), alongside interviews with digital application developers, provided perspectives on organizational impacts. A systematic literature review supplemented the data. Thematic content analysis of the data revealed traditional structures and cultures complicate decision-making, impede digital transformation, and delay ESG and Green Policy implementation. Conversely, participative cultures and modern structures streamline data-driven decision-making processes, promoting ESG and Green Policy progress. The findings highlight opportunities for traditional organizations to enhance structures and cultures, removing barriers to digitalization and accelerating ESG and Green Policy initiatives. This study underscores the critical role of organization dynamics in fostering sustainability within the built environment, emphasizing digital transformation's importance in driving positive environmental and social outcomes.
PubDate: Mon, 01 Jul 2024 00:00:00 -070
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Authors: Nesrine Bacha; Naima Hadj Mohamed
Abstract: The issue of promoting peri-urban agriculture seems to be an important one in response to the various current concerns about the future of cities in the face of climate change. At first glance, these urban and peri-urban agricultural areas, which in the past served as a shelter for cities, are now threatened and increasingly losing their function of protecting urban areas from climatic hazards. This question is a priority when considering the future of agriculture in the context of urban expansion. We are therefore raising a number of concerns linked to multiple issues: significant reduction of land available for local agriculture, accelerated degradation of the city's natural environment, fragmentation of ecosystems, and deterioration of air and water quality. Around these questions, this research is structured to provide theoretical and practical knowledge that will enable us to place urban and peri-urban agriculture at the heart of urban concerns, in a perspective of reaction to climate change. The interest of this work is reinforced in the case of peri-urban areas surrounding the capital of Algeria, Algiers, such as the commune of Delly Brahim: a concrete example of a territory concerned by the subject. On the one hand, this periphery boasts important agricultural production zones in close geographical proximity to the capital Algiers, and on the other, it plays a fundamental economic, environmental, and landscape role in relation to its region. Between its dense urban residential areas, agricultural lands, and natural areas rich in resources, this territory is today confronted with numerous environmental vulnerabilities. The aim is therefore to examine the issue of preserving the agricultural sector and its role in mitigating climate change. This study is based on data collected in 2020 to analyze the current and future dynamics of these territories.
PubDate: Mon, 01 Jul 2024 00:00:00 -070
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Authors: Lucienne G. Basaly; Arman Hashemi, Heba Elsharkawy, Darryl Newport, Nancy Mahmoud Badawy
Abstract: Climate change has highlighted the importance of thermal comfort and its health-related outcomes, particularly for the most vulnerable members of society living in social housing. Due to their vulnerable living conditions, low-income people are more exposed to negative outcomes of overheating and cold indoor temperatures in buildings. Previous studies suggest that there is a significant risk of overheating in retrofitted buildings both for the current and future weather scenarios. The UK government has introduced new building regulations to assess and limit the risk of overheating in new buildings; however, there is still a need to assess and improve conditions for existing and retrofitted properties. This study aims to evaluate the effect of retrofit strategies on thermal comfort and the risk of overheating in social housing under current and future climatic conditions. A typical case study building was simulated in DesignBuilder to assess thermal comfort conditions for upgraded building fabric to Part L of the UK building regulations and Passive House standards. The summer results were analyzed according to CIBSE TM59 while the Predicted Mean Vote index (PMV) was used for winter analysis. Findings revealed that the south-facing bedrooms are most exposed to overheating. Risk of overheating significantly increased for the future weather scenarios by up to 10 times while winter thermal comfort improved for the retrofitted scenarios.
PubDate: Mon, 01 Jul 2024 00:00:00 -070
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Open Access journal
