Journal Description
Sustainability
Sustainability
is an international, peer-reviewed, open-access journal on environmental, cultural, economic, and social sustainability of human beings, published semimonthly online by MDPI. The Canadian Urban Transit Research & Innovation Consortium (CUTRIC), International Council for Research and Innovation in Building and Construction (CIB) and Urban Land Institute (ULI) are affiliated with Sustainability and their members receive discounts on the article processing charges.
- Open Access— free for readers, with article processing charges (APC) paid by authors or their institutions.
- High Visibility: indexed within Scopus, SCIE and SSCI (Web of Science), GEOBASE, GeoRef, Inspec, AGRIS, RePEc, CAPlus / SciFinder, and other databases.
- Journal Rank: JCR - Q2 (Environmental Studies) / CiteScore - Q1 (Geography, Planning and Development)
- Rapid Publication: manuscripts are peer-reviewed and a first decision is provided to authors approximately 18.8 days after submission; acceptance to publication is undertaken in 3.6 days (median values for papers published in this journal in the second half of 2023).
- Recognition of Reviewers: reviewers who provide timely, thorough peer-review reports receive vouchers entitling them to a discount on the APC of their next publication in any MDPI journal, in appreciation of the work done.
- Testimonials: See what our editors and authors say about Sustainability.
- Companion journals for Sustainability include: World, Sustainable Chemistry, Conservation, Future Transportation, Architecture, Standards, Merits and Wind.
Impact Factor:
3.9 (2022);
5-Year Impact Factor:
4.0 (2022)
Latest Articles
Challenges and Remediation Strategies for Per- and Polyfluoroalkyl Substances (PFAS) Contamination in Composting
Sustainability 2024, 16(11), 4745; https://doi.org/10.3390/su16114745 (registering DOI) - 2 Jun 2024
Abstract
Abstract: Municipal solid waste (MSW) is projected to rise to 3.4 billion tonnes by 2050, with only 33% undergoing environmentally friendly management practices. Achieving a circular economy involves sustainable approaches, among which diverting waste from landfills to composting plays a crucial role.
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Abstract: Municipal solid waste (MSW) is projected to rise to 3.4 billion tonnes by 2050, with only 33% undergoing environmentally friendly management practices. Achieving a circular economy involves sustainable approaches, among which diverting waste from landfills to composting plays a crucial role. However, many of the products society uses and discards in MSW daily contain per- and polyfluoroalkyl substances (PFAS), raising concerns that composts may inadvertently introduce PFAS into the environment, posing a significant challenge to waste management and environmental sustainability. PFAS have been detected in compost at concentrations ranging between 1.26–11.84 µg/kg. Composts are therefore a source of PFAS contamination, posing risks to human and ecosystem health. Impactful technologies are therefore required for PFAS remediation during the composting process. This review examines the composting process as a sustainable organic waste management technology, examining the various systems employed, compost quality, and uses, particularly emphasising the challenge posed by PFAS contamination. The review provides novel insights into possible PFAS remediation technologies. A comprehensive understanding of PFAS origin, fate, and transformation during the composting process is lacking, creating substantial knowledge gaps regarding the inputs processes contributing most to PFAS accumulation in the final product. Addressing these gaps in future studies is crucial for minimising PFAS discharge into the environment and developing an effective remediation approach. This review highlights the urgent need for innovative solutions to mitigate PFAS contamination in compost and the importance of advancing research and technology to achieve sustainable waste management objectives.
Full article
(This article belongs to the Section Waste and Recycling)
Open AccessArticle
The Role of Last-Mile Delivery Quality and Satisfaction in Online Retail Experience: An Empirical Analysis
by
Khalid Aljohani
Sustainability 2024, 16(11), 4743; https://doi.org/10.3390/su16114743 (registering DOI) - 2 Jun 2024
Abstract
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The rise of the e-commerce industry has markedly changed the global economy, providing customers with unparalleled access to goods and services. This study empirically examines online shoppers’ perceptions and preferences, focusing on their experiences with last-mile delivery (LMD) services and its impact on
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The rise of the e-commerce industry has markedly changed the global economy, providing customers with unparalleled access to goods and services. This study empirically examines online shoppers’ perceptions and preferences, focusing on their experiences with last-mile delivery (LMD) services and its impact on their shopping behaviour. This research employs machine learning classification and regression models for a large-scale analysis of customers’ responses, collected using an online survey in the main cities in Saudi Arabia, which is experiencing rapid e-commerce growth amidst a broader digital transformation. The findings highlight a strong consumer preference for timely LMD services, typically within a day of purchase, while noting dissatisfaction with exceedingly early delivery windows. The research emphasises the need to address customer dissatisfaction with delivery services to retain clientele, as many may switch retailers without informing the retailers. Additionally, a considerable trend towards preferring digital over cash-on-delivery payment methods was observed among online shoppers. Overall, this study provides valuable insights into the significant influence of LMD services on customer satisfaction and behaviour in the e-commerce sector. The use of robust machine learning models has revealed critical factors that can guide retailers and LMD providers in enhancing service delivery and customer experience, contributing to the broader discourse on e-commerce logistics efficiency and customer satisfaction.
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Open AccessArticle
Perceptions of Sustainability among Children and Teachers: Problems Revealed via the Lenses of Science Communication and Transformative Learning
by
Sevinç Gelmez Burakgazi and Michael J. Reiss
Sustainability 2024, 16(11), 4742; https://doi.org/10.3390/su16114742 (registering DOI) - 2 Jun 2024
Abstract
Scholars and policymakers see sustainability as depending on the inter-relationships between the three pillars of the environment, society, and the economy. However, it remains less clear how key stakeholders with a responsibility for educating the next generation perceive the concept of sustainability and
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Scholars and policymakers see sustainability as depending on the inter-relationships between the three pillars of the environment, society, and the economy. However, it remains less clear how key stakeholders with a responsibility for educating the next generation perceive the concept of sustainability and act accordingly. In order to gain new insights, this research scrutinises participant perceptions of sustainability and climate change in two eco-schools in England for primary children (aged 5–11 years). Our case study involved individual interviews with classroom teachers and headteachers, group interviews with fourth- and fifth-year students (ages 10–12 years), and in-class observations. We also analysed data from student exercise books and photographs of school grounds to understand participants’ self-reported knowledge and perceptions of sustainability and climate change. Within a framework drawing on theories of science communication and transformative learning (a learning approach based on having challenging experiences), the results show that the integration of sustainability into the curriculum was limited and problematic. That is despite the fact that all students and teachers were aware of the environmental dimensions of sustainability, such as climate change and the overuse of natural sources. These findings suggest that schools are no different to other institutional settings when it comes to dealing with the challenges of integrating sustainability into daily practice. We conclude that there is a need for in-service teacher education programmes to enable and motivate teachers to provide richer teaching-learning environments so as to enable effective learning in schools about sustainability and climate change.
Full article
(This article belongs to the Special Issue Transdisciplinary Perspectives on Environment and Communication)
Open AccessTutorial
Assessing Vulnerability and Prioritization of Cultural Assets for Climate Change Planning in Collier County, Southwest Florida
by
Rachael Kangas, Sara Ayers-Rigsby, Michael Savarese, Vladimir Paramygin and Y. Peter Sheng
Sustainability 2024, 16(11), 4741; https://doi.org/10.3390/su16114741 (registering DOI) - 2 Jun 2024
Abstract
Cultural resources are often overlooked in climate change and resiliency planning, despite them being integral to community identity and the restoration of a sense of normalcy after significant weather events. This vulnerability assessment demonstrates how cultural resources can be included in planning efforts,
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Cultural resources are often overlooked in climate change and resiliency planning, despite them being integral to community identity and the restoration of a sense of normalcy after significant weather events. This vulnerability assessment demonstrates how cultural resources can be included in planning efforts, and how they can be prioritized based on specific criteria. To complete this assessment, a working group with local land managers and cultural resource professionals was formed, and members employed a sophisticated Geo Tool, ACUNE (Adaptation of Coastal Urban and Natural Ecosystems) for climate adaptation, to predict how cultural resources throughout Collier County, Florida, would be impacted in two specific climate scenarios. The working group selected ten significant sites in the county and used ACUNE to prioritize action at these sites, using a matrix of hazard exposure, sensitivity, adaptive capacity, and the environmental, social, and economic consequences of the loss of these sites. Based on the results of our case study vulnerability assessment of cultural resources in Collier County, the next decade (2020 to 2030) has the potential to increase the number of sites at risk of storm flooding from 267 to 318, alerting managers that immediate action is needed for the sites of greatest value. The analysis of 10 case study sites is presented to demonstrate an approach for land managers and other cultural resource professionals to prioritize action at their own sites.
Full article
(This article belongs to the Special Issue Sea-Level Rising—Coastal Vulnerability and Adaptation Management)
Open AccessArticle
A Simple Water Sample Storage Test for Water Isotope Analysis
by
Matteo Nigro, Klara Žagar and Polona Vreča
Sustainability 2024, 16(11), 4740; https://doi.org/10.3390/su16114740 (registering DOI) - 2 Jun 2024
Abstract
Water is pivotal for human societies’ sustainability and resilience. Isotope hydrology and hydrogeology research plays an important role in understanding and managing water resources. Reliable scientific results hinge on high-quality data. Preventing water sample evaporation is essential for accurate isotopic analysis. In this
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Water is pivotal for human societies’ sustainability and resilience. Isotope hydrology and hydrogeology research plays an important role in understanding and managing water resources. Reliable scientific results hinge on high-quality data. Preventing water sample evaporation is essential for accurate isotopic analysis. In this study, the impacts on the quality of isotopic data were tested for the storage of water samples and the repetitive opening of a laboratory reference material (LRM) sub-sample replica during daily operation. Twenty 15 mL water samples were stored in high-density polyethylene (HDPE) bottles at room temperature and humidity to simulate storage conditions. One 60 mL water sample was collected from the same starting batch to simulate the LRM sub-sample. Each 15 mL sample was analysed once over 80 days for the isotopic composition of oxygen (δ18O) and hydrogen (δ2H). The 60 mL sample was repeatedly analysed in the same period. The data were tested to identify shifts in the isotopic composition induced by evaporative processes. The main results of the work are the following: (i) storage of the 15 mL water samples did not cause detectable evaporation in the testing period; (ii) the 60 mL δ18O values showed evidence of evaporation as proved by the positive shift of the isotopic data; (iii) the repetitive opening of the 60 mL sample was the main cause of evaporation; (iv) five openings can already cause detectable isotopic enrichment. Careful manipulation and frequent replacement of the LRM are thus necessary to prevent deterioration of the quality of the analyses.
Full article
(This article belongs to the Special Issue Sustainable Development of Hydrogeology)
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Open AccessArticle
Conversion of Waste Agricultural Biomass from Straw into Useful Bioproducts—Wheat Fibers and Biofuels
by
Zorana Kovačević, Sandra Bischof, Nikola Bilandžija and Tajana Krička
Sustainability 2024, 16(11), 4739; https://doi.org/10.3390/su16114739 (registering DOI) - 2 Jun 2024
Abstract
Straw, the primary agricultural waste, constitutes approximately 20% of the total biomass in the EU. Only a small fraction of the material is applied in various products, e.g., animal bedding, mulch, building, and composite materials, while a significantly larger portion is often burned
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Straw, the primary agricultural waste, constitutes approximately 20% of the total biomass in the EU. Only a small fraction of the material is applied in various products, e.g., animal bedding, mulch, building, and composite materials, while a significantly larger portion is often burned in the field. This practice, while prohibited for several reasons, including the increased risk of fire and the release of carbon dioxide contributing to global warming, is still prevalent. Given the increasingly evident effects of climate change, EU legislation aims to reduce greenhouse gas emissions as much as possible. One of the strategies includes applying the cascade principle in the circular economy. This principle aims to use the entire raw material, in this case, cereal crops, such that the products with the highest added value, like cellulose fibers from cereal straw, are extracted first. The vast potential for utilizing lignocellulosic agro-waste sustainably arises from its status as the most abundant organic compound on Earth. Its significant presence, renewability, and biodegradability make it a desirable source for producing materials in numerous industries. This study examines the potential of wheat fibers, isolated from the straw of two distinct cultivars (Srpanjka represents an old variety, and Kraljica represents the new variety) primarily for application in technical textiles. The following testing methods were applied: determination of wheat fibers and residues yield, fibers tensile properties, length, moisture content/regain, density, morphology, and Fourier transform infrared (FTIR) spectroscopy. The yield of isolated fibers relies on the wheat variety and the climatic conditions affecting plant growth, resulting in fiber yields from 10.91% to 15.34%. Fourier transform infrared (FTIR) analysis indicates reduced peak intensity, which is related to hemicellulose and lignin content, suggesting their improved deposition following the process of chemical maceration. Wheat fiber quality was found to be comparable to cotton fibers regarding its density. However, they showed a significant difference in higher moisture regain (9.72–11.40%). The vast majority of the scientific papers related to wheat fibers did not indicate the length of the individual fibers obtained by chemical maceration nor their strength. Therefore, this paper indicated that both varieties demonstrated sufficient fiber tenacity (greater than 10 cN/tex) and fiber length (2–3 cm), stressing the spinning potential of these fibers into yarns and extending their use to the apparel industry. Moreover, our research underscores the feasibility of adhering to the zero-waste principle. A high percentage of solid waste remaining after fiber extraction (25.3–39.5%) was successfully used for biofuel production, thus closing the loop in the circular economy.
Full article
(This article belongs to the Special Issue Textile Technologies in Sustainable Development, Production and Environmental Protection)
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Open AccessArticle
Remotely Sensed Changes in Qinghai–Tibet Plateau Wetland Ecosystems and Their Response to Drought
by
Aodi Fu, Wenzheng Yu, Bashar Bashir, Xin Yao, Yawen Zhou, Jiwei Sun, Abdullah Alsalman and Karam Alsafadi
Sustainability 2024, 16(11), 4738; https://doi.org/10.3390/su16114738 (registering DOI) - 2 Jun 2024
Abstract
Wetland ecosystems in the Qinghai–Tibet Plateau are pivotal for global ecology and regional sustainability. This study investigates the dynamic changes in wetland ecosystems within the Chaidamu Basin and their response to drought, aiming to foster sustainable wetland utilization in the Qinghai–Tibet Plateau. Using
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Wetland ecosystems in the Qinghai–Tibet Plateau are pivotal for global ecology and regional sustainability. This study investigates the dynamic changes in wetland ecosystems within the Chaidamu Basin and their response to drought, aiming to foster sustainable wetland utilization in the Qinghai–Tibet Plateau. Using Landsat TM/ETM/OLI data on the Google Earth Engine platform, we employed a random forest (RF) method for annual long-term land cover classification. Standardized precipitation evapotranspiration indices (SPEI3, SPEI6, SPEI9, and SPEI12) on different time scales were used to assess meteorological drought conditions. We employed a Pearson correlation analysis to examine the relationship between wetland changes and various SPEI scales. The BFASAT method was used to evaluate the impact of SPEI12 trends on the wetlands, while a cross-wavelet analysis explored teleconnections between SPEI12 and atmospheric circulation factors. Our conclusion is as follows: The wetlands, including lake, glacier, and marsh wetlands, exhibited a noticeable increasing trend. Wetland expansion occurred during specific periods (1990–1997, 1998–2007, and 2008–2020), featuring extensive conversions between wetlands and other types, notably the conversion from other types to wetlands. Spatially, lake and marsh wetlands predominated in the low-latitude basin, while glacier wetlands were situated at higher altitudes. There were significant negative correlations between the SPEI at various scales and the total wetland area and types. SPEI12 displayed a decreasing trend with non-stationarity and distinct breakpoints in 1996, 2002, and 2011, indicating heightened drought severity. Atmospheric circulation indices (ENSO, NAO, PDO, AO, and WP) exhibited varying degrees of resonance with SPEI12, with NAO, PDO, AO, and WP demonstrating longer resonance times and pronounced responses. These findings underscore the significance of comprehending wetland changes and drought dynamics for effective ecological management in the Chaidamu Basin of the Qinghai–Tibet Plateau.
Full article
(This article belongs to the Special Issue Agricultural Drought and Climate Change: Drought Indices, Impacts, and Projections)
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Open AccessArticle
Digital Transformation and Environmental, Social, and Governance Performance from a Human Capital Perspective
by
Xiaowen He and Weinien Chen
Sustainability 2024, 16(11), 4737; https://doi.org/10.3390/su16114737 (registering DOI) - 2 Jun 2024
Abstract
The strategic adoption of digital technologies has increasingly been recognized as a crucial driver of cost reduction and operational efficiency in enterprises. It optimizes production processes and promotes sustainable growth. In this context, understanding the specific impact of digital transformation on enterprises’ environmental,
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The strategic adoption of digital technologies has increasingly been recognized as a crucial driver of cost reduction and operational efficiency in enterprises. It optimizes production processes and promotes sustainable growth. In this context, understanding the specific impact of digital transformation on enterprises’ environmental, social, and governance (ESG) performance holds significant practical value for promoting sustainable development in China’s economy and society. This study focused on Chinese A-share listed enterprises from 2010 to 2022, specifically exploring the role of digital transformation in enhancing ESG performance from the perspective of human capital. Our findings reveal that digital transformation significantly augments their ESG performance. Notably, the improvements are more pronounced in non-state-owned enterprises compared to state-owned ones. Specifically, digital transformation initiatives contribute to ESG performance enhancement by increasing the extent of high-quality labor and elevating the skill levels of the existing workforce. Furthermore, environmental regulation moderates the positive impact of corporate digital transformation on the quantity and skill level of labor, thus influencing firm-level ESG performance. The study sheds light on the transformative role of digital transformation and its implications for ESG performance improvement by elucidating the mechanisms through which digital transformation affects human capital and interacts with regulatory environments.
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Open AccessArticle
The Effect of Storage Time and Temperature on Quality Changes in Freeze-Dried Snacks Obtained with Fruit Pomace and Pectin Powders as a Sustainable Approach for New Product Development
by
Magdalena Karwacka, Agnieszka Ciurzyńska, Sabina Galus and Monika Janowicz
Sustainability 2024, 16(11), 4736; https://doi.org/10.3390/su16114736 (registering DOI) - 2 Jun 2024
Abstract
The study aimed to evaluate the effect of storage temperature on quality changes in freeze-dried carrot–orange–ginger (COG) snacks obtained with 2% of apple (AP) or blackcurrant (BP) pomace powder or 1.5% of pectin (LMP). The material was stored at 4, 25 and 40
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The study aimed to evaluate the effect of storage temperature on quality changes in freeze-dried carrot–orange–ginger (COG) snacks obtained with 2% of apple (AP) or blackcurrant (BP) pomace powder or 1.5% of pectin (LMP). The material was stored at 4, 25 and 40 °C for 1, 3, 6 and 12 months in pouches impermeable to vapour, oxygen and light. Water content and activity, texture, colour, total polyphenol content and antioxidant activity were examined to evaluate the products’ quality. During storage, water content and activity fluctuations were noted, but no critical values were exceeded. Texture properties remained stable in snacks with pomace powders compared to those with pectin, the hardness of which significantly decreased when stored at ambient and elevated temperatures. However, the product with pectin was found to change colour the least over time. The results obtained for chemical properties were not clear, but they strongly indicated the occurrence of the transformation of some chemical compounds. Overall, a lowered temperature helped to maintain the quality of the freeze-dried snacks for the longest time. The presented research contributes to the general knowledge of the behaviour of innovative products with the addition of nonconventional but sustainable compounds, revealing the potential for quality and stability improvements.
Full article
(This article belongs to the Special Issue Food Safety, Food Quality, Food Packaging and Sustainable Food Supply Chains)
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Open AccessSystematic Review
Towards Zero: A Review on Strategies in Achieving Net-Zero-Energy and Net-Zero-Carbon Buildings
by
Hoi-Lam Lou and Shang-Hsien Hsieh
Sustainability 2024, 16(11), 4735; https://doi.org/10.3390/su16114735 (registering DOI) - 2 Jun 2024
Abstract
The establishment of net-zero-energy and net-zero-carbon buildings can offer significant opportunities to reduce environmental impact in the building sector. Several successful net-zero-energy buildings highlight the feasibility of reducing energy consumption via energy-efficient strategies and the use of renewable energy technologies. To comprehend the
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The establishment of net-zero-energy and net-zero-carbon buildings can offer significant opportunities to reduce environmental impact in the building sector. Several successful net-zero-energy buildings highlight the feasibility of reducing energy consumption via energy-efficient strategies and the use of renewable energy technologies. To comprehend the existing innovatory designs, techniques, and practices employed to achieve net-zero-energy buildings, this research aims to review the up-to-date advancements in net-zero-energy building practices. The utilization of embodied carbon assessments to achieve the net-zero status of buildings is explored. The findings indicate an escalating global interest and participation in the field of study, and reveal three major areas related to net-zero-energy buildings: multidisciplinary approaches, energy systems, and guidance, which together cover thirteen subfields. The role of life cycle assessment in buildings is emphasized, offering insights into the role of embodied emissions relative to operational emissions over the entire life cycle of a building. In the end, possible future study directions are outlined, including balancing energy efficiency with sustainability, and assessing the impact of design on emissions and economic outcomes. These areas collectively contribute to transforming sustainable building concepts into reality.
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(This article belongs to the Special Issue Sustainable Building Environment)
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Open AccessArticle
The Synergistic Structure and Potential Development for Sustainable Ecosystem Services in Urban Areas along the Grand Canal: A Case Study of the Wuxi Segment
by
Zhi Yue, Yuting Hua, Yue He, Di Yao, Liya Wang and Xin Tong
Sustainability 2024, 16(11), 4734; https://doi.org/10.3390/su16114734 (registering DOI) - 2 Jun 2024
Abstract
The Grand Canal possesses a unique ecosystem as one of the world cultural heritage sites. However, its ecological roles and services have been underemphasized in heritage conservation efforts, leading to environmental pollution and the degradation of its heritage value, especially in the highly
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The Grand Canal possesses a unique ecosystem as one of the world cultural heritage sites. However, its ecological roles and services have been underemphasized in heritage conservation efforts, leading to environmental pollution and the degradation of its heritage value, especially in the highly urbanized southern Jiangsu section downstream. This study examines the synergy between regulating ecosystem services (RESs) and cultural ecosystem services (CESs) along the highly urbanized Wuxi section of the Grand Canal, as well as the environmental drivers influencing this relationship. The findings reveal that the synergy between CESs and RESs does not occur at the urban–rural interface but rather in areas 4-6 km away from the Central Business District (CBD). Certain drivers, such as floor area ratio (FAR) and plot ratio (PR), enhance both RES and CES within specific sections. Beyond riparian green belts, various low-density, dispersed, and well-vegetated lands could serve as significant contributors to future ecosystem service (ES) synergy. These conclusions further elucidate the spatial distribution of the heritage cultural services and other ES synergy along the Grand Canal, providing scientific support for broader improvements guiding the sustainable co-development in similar urbanized areas.
Full article
(This article belongs to the Special Issue Advances in Ecosystem Services and Urban Sustainability, 2nd Edition)
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Open AccessArticle
Consumer Engagement in Fashion Circularity in China: Exploring Consumer Online Fashion Resale through the Lens of Social Practice Theory
by
Sujun Liu, Chuanlan Liu and Chunmin Lang
Sustainability 2024, 16(11), 4733; https://doi.org/10.3390/su16114733 (registering DOI) - 2 Jun 2024
Abstract
Fashion resale has emerged as a notable strategy for the fashion industry to reduce its environmental footprint by promoting fashion circularity. Despite extensive research on consumer awareness of resale and the purchase of pre-owned items, there remains a gap in understanding the factors
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Fashion resale has emerged as a notable strategy for the fashion industry to reduce its environmental footprint by promoting fashion circularity. Despite extensive research on consumer awareness of resale and the purchase of pre-owned items, there remains a gap in understanding the factors that influence consumers’ participation in resale markets, encompassing both selling and buying practices. Drawing on social practice theory (SPT), this qualitative study examines the nuanced factors influencing consumers’ online resale practices and investigates how online fashion resale practices (OFRPs) have become integrated into their daily consumption patterns. In-depth interviews were conducted with thirty experienced Chinese consumers engaged in both the selling and buying practices of secondhand fashion. Initially, the study identified eight nuanced motivations and seven challenges influencing consumers’ OFRPs. Subsequently, the research uncovered two types of materials and seven core skills necessary for successful OFRP transactions, along with six associated meanings of OFRPs. Specifically, we found that participants seamlessly integrated OFRP into their daily routines through nurtured sociality, and OFRP only fostered sustainable consumption behaviors in one-third of participants, suggesting significant room for improvement. This study provides empirical insights into the existing literature and offers actionable recommendations to key stakeholders for advancing fashion circularity—a critical objective for the sustainability of the fashion industry.
Full article
(This article belongs to the Special Issue Circular Economy and Technological Innovation: 2nd Edition)
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Open AccessArticle
Assessing Electric Vertical Take-Off and Landing for Urban Air Taxi Services: Key Parameters and Future Transportation Impact
by
Yinfei Liu and Chao Gao
Sustainability 2024, 16(11), 4732; https://doi.org/10.3390/su16114732 (registering DOI) - 2 Jun 2024
Abstract
Urban air mobility (UAM) enabled by electric vertical take-off and landing (eVTOL) aircraft presents an innovative transportation system for mega-cities. An analysis of the techno-economic feasibility of eVTOL air taxis can provide insights into the development and potential impacts of this emerging mobility
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Urban air mobility (UAM) enabled by electric vertical take-off and landing (eVTOL) aircraft presents an innovative transportation system for mega-cities. An analysis of the techno-economic feasibility of eVTOL air taxis can provide insights into the development and potential impacts of this emerging mobility solution. This study examines eVTOL configurations and proposes a conceptual model for eVTOL air taxi services. A generic cost–revenue model is developed to evaluate the economic feasibility using the rate of return-on-investment approach. Two critical parameters are identified—maximum voyage and price per kilometer. The modeling analysis shows that eVTOL air taxis can achieve a positive rate of return given realistic assumptions on the critical parameters. Reductions in operating costs and increases in maximum voyage range improve financial viability. With technological advancement, eVTOL air taxis are expected to transform urban transportation by increasing capacity and flexibility. The techno-economic analysis provides useful implications for urban planning and policy regarding this innovative mobility mode.
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(This article belongs to the Special Issue Advances in Sustainability in Air Transport and Multimodality)
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Empowering Urban Public Transport Planning Process for Medium-Sized Cities in Developing Countries: Innovative Decision Support Framework for Sustainability
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Natthapoj Faiboun, Pongrid Klungboonkrong, Rungsun Udomsri and Sittha Jaensirisak
Sustainability 2024, 16(11), 4731; https://doi.org/10.3390/su16114731 (registering DOI) - 1 Jun 2024
Abstract
The challenges resulting from rapid economic growth, urbanization, and increased motorization in developing nations necessitate a comprehensive and sustainable approach to urban public transport planning. While sustainable urban public transport (SUPT) planning offers a solution, the complexity of choosing suitable policy measure options
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The challenges resulting from rapid economic growth, urbanization, and increased motorization in developing nations necessitate a comprehensive and sustainable approach to urban public transport planning. While sustainable urban public transport (SUPT) planning offers a solution, the complexity of choosing suitable policy measure options remains a challenge. This study first introduces a decision support framework (DSF) that integrates the sustainable urban public transport manual (SUPTM) adopted for generating the potential SUPT policy measure options, the KonSULT knowledge base applied for providing the performance scores of each measure option for all determined criteria, and the HMADM (including FAHP, FSM, and TOPSIS) technique to create, rank, and select SUPT policy measure options tailored to medium-sized urban areas in developing nations. A case study of Khon Kaen City, Thailand, illustrates the practical application of the framework, resulting in a set of 31 (91.2%) out of the total of 34 ranked policy measure options. Comparing these prioritizations with the city’s existing plan reveals a substantial agreement, which suggests the potential applicability of the DSF. Overall, the DSF marks a significant advancement in SUPT planning, which is crucial for shaping efficient, equitable, and environmentally conscious urban mobility in developing countries, which are undergoing transformative change.
Full article
(This article belongs to the Collection Sustainable Public Transport in Urban Areas – Optimization, Management and Development)
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Evaluation and Spatial–Temporal Pattern Evolution of Synergy Degree of Emergency Management for Urban Flood Disasters from the Perspective of Sustainable Development—The Case of Henan, China
by
Yu Hao, Chen Wang, Chaolun Sun and Delin Liu
Sustainability 2024, 16(11), 4730; https://doi.org/10.3390/su16114730 (registering DOI) - 1 Jun 2024
Abstract
The management of urban flood disasters is a systematic engineering project that requires a great amount of manpower, material resources, and financial resources, and the interaction and coordination degrees of various elements in the system deeply affect the efficiency of the final governance.
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The management of urban flood disasters is a systematic engineering project that requires a great amount of manpower, material resources, and financial resources, and the interaction and coordination degrees of various elements in the system deeply affect the efficiency of the final governance. According to the theories of synergy, composite systems, and sustainable development, this research first established an evaluation index system to determine the synergy degree of urban flood disaster emergency management from the four dimensions of prevention and preparation, monitoring and early warning, response and rescue, and recovery and reconstruction. Then, the synergy degree was explored by using the developed composite system synergy degree model on the basis of the panel data of 18 prefecture-level cities in Henan Province from 2013 to 2021, and synergy level change characteristics were analyzed from the perspectives of time and space. Finally, the obstacle degree model was applied to explore the obstacle factors affecting synergy degree development. The results showed that the overall level of the urban flood disaster emergency management coordination degree in Henan Province was relatively low, and there were significant differences in synergy among cities. Among them, 12 cities presented mild synergy, and 6 cities showed mild nonsynergy. The spatial correlation of the synergy degree was not stable, which revealed a lack of mature coordination mechanisms for flood disaster emergency management among cities. The analysis of obstacle factors showed that recovery and reconstruction subsystems were the main obstacle systems that affected the synergy degree.
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(This article belongs to the Section Environmental Sustainability and Applications)
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Towards Sustainable Urban Mobility: Voronoi-Based Spatial Analysis of EV Charging Stations in Bangkok
by
Sornkitja Boonprong, Nathapat Punturasan, Pariwate Varnakovida and Wichien Prechathamwong
Sustainability 2024, 16(11), 4729; https://doi.org/10.3390/su16114729 (registering DOI) - 1 Jun 2024
Abstract
This study leverages the efficacy of Voronoi diagram theory within a mixed-methods approach to thoroughly examine the spatial distribution, service coverage, and optimal locations for expanding electric vehicle (EV) charging infrastructure in Bangkok. Drawing on data from field surveys and public data providers,
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This study leverages the efficacy of Voronoi diagram theory within a mixed-methods approach to thoroughly examine the spatial distribution, service coverage, and optimal locations for expanding electric vehicle (EV) charging infrastructure in Bangkok. Drawing on data from field surveys and public data providers, our analysis unfolds in four key stages. Firstly, we delve into the spatial distribution of charging stations, scrutinizing density, proximity to various road types, and land use through the lens of Voronoi diagrams. Secondly, the application of Voronoi diagrams informs the evaluation of service boundaries. Thirdly, utilizing this effective tool, we assess population density per parking slot or charging head to anticipate future EV adoption. Finally, the study introduces an approach to identify suitable locations for new charging stations through the application of overlapping Voronoi circles. Findings reveal a clustered distribution of charging stations along roads, particularly in the central business district, showcasing the efficiency of Voronoi diagrams in spatial analysis. Residential areas and urban commercial zones also host significant charging station concentrations. Notably, service coverage in inner Bangkok surpasses that of middle and outer areas, highlighting underserved regions. Prospective areas for new charging stations, identified through Voronoi analysis, include Bang Khae, Phra Khanong, Min Buri, and Huai Khwang. This research, rooted in the application of Voronoi diagram theory, offers vital insights for various stakeholders involved in urban infrastructure planning. By employing Voronoi diagrams within Geographic Information Systems (GIS), the study contributes to strategically placing charging stations, optimizing spatial understanding, and enhancing resource allocation. This GIS-based approach not only supports the rise of electric vehicles but also promotes sustainable urban development practices through the efficient utilization of spatial data and analysis techniques.
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(This article belongs to the Special Issue Towards Sustainable Urban Transport System)
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Forecasting and Mapping the Environmental and Health Impacts of Sustainable Regional Transport Policies
by
Rita Prior Filipe, Andrew Heath, Nick McCullen and Theresa Smith
Sustainability 2024, 16(11), 4728; https://doi.org/10.3390/su16114728 (registering DOI) - 1 Jun 2024
Abstract
Research on evaluating sustainable transport policies is predominantly focused on their urban effects, often overlooking similar challenges in suburban and rural mobility. Therefore, the development of regionally integrated sustainable transport strategies becomes essential to comprehensively address these concerns. This study aims to bridge
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Research on evaluating sustainable transport policies is predominantly focused on their urban effects, often overlooking similar challenges in suburban and rural mobility. Therefore, the development of regionally integrated sustainable transport strategies becomes essential to comprehensively address these concerns. This study aims to bridge this gap by introducing a GIS-supported methodology that combines multiple linear regressions with hazard ratio models to quantify and map the impacts of environmentally driven regional transport policies on air pollution and human health. The main findings of an illustrative case study highlighted the importance of stronger efforts to promote the transition to shared and active transport and address the articulation between urban and rural mobility. This study offers a novel contribution to transport researchers and policymakers by proposing a methodology that (1) forecasts the impacts of regional transport policies using open data and software, ensuring its applicability for diverse regional settings, (2) provides the results in quantitative and visual formats, facilitating output analysis and visualisation and, consequently, decision-making and public consultation on proposed sustainable transport policies, and (3) sets the groundwork for including future transport-related dimensions.
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(This article belongs to the Section Sustainable Transportation)
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Short Cold Storage as a Sustainable Postharvest Handling Method for Natural Enrichment in Antioxidants of Fresh and Dried Walnut Kernels—Cultivar Effect
by
Miltiadis V. Christopoulos, Mina Kafkaletou, Anna Velliou and Eleni Tsantili
Sustainability 2024, 16(11), 4727; https://doi.org/10.3390/su16114727 (registering DOI) - 1 Jun 2024
Abstract
Fresh (raw, non-dried) walnuts (kernel moisture > 17%) have unique sensory and nutritional attributes but a narrow time availability due to their rapid deterioration during storage. In the present study, the storage (1 °C, 90% RH) potential of fresh walnuts for 20 and
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Fresh (raw, non-dried) walnuts (kernel moisture > 17%) have unique sensory and nutritional attributes but a narrow time availability due to their rapid deterioration during storage. In the present study, the storage (1 °C, 90% RH) potential of fresh walnuts for 20 and 40 days was assessed in relation to cultivar (Chandler, Hartley, Ioli) and the form of exposure to storage (shelled or in-shell). The effect of low-temperature exposure (at 1 °C for 0, 10 and 20 days) before nut drying was also examined. Fresh walnuts from different cultivars showed diverse quality (size, color) and physiological (respiration, weight loss) traits. Using a very low storage temperature (1 °C) was feasible to store fresh walnuts marginally up to 40 days without losing the ‘fresh’ character. The form of in-shell storage compared with shelled ones helped to determine the retention of kernel moisture and had a mild protective role in the prevention of kernel browning. The storage of fresh walnuts at 1 °C resulted in increased total phenolics (TP, by 26% in average) and antioxidant capacity (by 46%, in average) of the kernels, supporting the improvement of nutritional value due to low temperatures. The dried kernels after this short cold storage showed increased TP levels by 35–40% in comparison with conventional dried ones. Therefore, the 10 d cold exposure could be proposed as a sustainable step for incorporation in the regular postharvest handling chain for the natural enrichment of fresh and dried kernels in antioxidants.
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(This article belongs to the Section Sustainable Food)
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Efficiency of the Integrated Production Systems: Evidence from the Winegrowing Firms in Italy
by
Ruggiero Sardaro, Daniela Panio, Paweł Chmieliński and Piermichele La Sala
Sustainability 2024, 16(11), 4726; https://doi.org/10.3390/su16114726 (registering DOI) - 1 Jun 2024
Abstract
In Italy, the environmental sustainability of the agricultural sector is regulated by the National Integrated Production Quality System. It is the foundation of the regional Integrated Production Regulations (IPRs), which identify voluntary agronomic strategies on the use of pesticides, fertilisers, and irrigation water,
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In Italy, the environmental sustainability of the agricultural sector is regulated by the National Integrated Production Quality System. It is the foundation of the regional Integrated Production Regulations (IPRs), which identify voluntary agronomic strategies on the use of pesticides, fertilisers, and irrigation water, as well as on soil and plant management. The aim is a reduction in the environmental impacts of the agricultural processes and an increase in the production quality. However, the direct relationship between environmental and economic sustainability of the regional IPRs is not obvious and its absence could weaken the economic efficiency of firms. The study, through the stochastic frontier (SF) method, investigates the possible inefficiencies of the regional winegrowing firms that voluntarily adhere to the Apulian IPRs. The results highlight that some measures in the IPRs aimed at preserving the local agroecosystems (soil management and use of resistant varieties) are efficient, therefore allowing for an increase in the production value and quality. On the contrary, crucial measures concerning the management of irrigation water and pesticides decrease efficiency. Thus, more thoughtful measures are requested by policy makers to improve the economic impacts of the regional IPRs on firms and to make possible a certain convergence between environmental and economic sustainability.
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(This article belongs to the Special Issue Sustainable Agriculture and Agri-Food)
Open AccessSystematic Review
Environmental Drivers, Environmental Practices, and Business Performance: A Systematic Literature Review and Future Research Directions
by
Efthymia Iliopoulou, Aspasia Vlachvei and Eirini Koronaki
Sustainability 2024, 16(11), 4725; https://doi.org/10.3390/su16114725 (registering DOI) - 1 Jun 2024
Abstract
Internal and external pressures urge businesses to adopt sustainable practices and compel them to manage natural resources for enhanced performance. The objective of this literature review research was to investigate the stakeholders influencing companies to embrace environmental practices, document existing environmental practices, and
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Internal and external pressures urge businesses to adopt sustainable practices and compel them to manage natural resources for enhanced performance. The objective of this literature review research was to investigate the stakeholders influencing companies to embrace environmental practices, document existing environmental practices, and investigate the effects of these practices on business performance. This study spans a 25-year period, from 1998 to 2023, utilizing articles sourced from the Scopus database. The novelty of this research is that (a) each dimension—drivers, environmental practices, and performances—is individually examined, as well as in combination; (b) environmental practices are categorized based on the value chain framework, across the different stages of business operations; and (c) it includes analysis of the effects of each of the environmental practices on all three types of performance—environmental, financial, and non-financial. This research is presented with its findings and highlights the gaps in the existing literature. This work discusses the implications of this research for academics and managers.
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(This article belongs to the Section Economic and Business Aspects of Sustainability)
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