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
Optimization of Dissolved Silica Removal from Reverse Osmosis Concentrate by Gedaniella flavovirens for Enhanced Water Recovery
Sustainability 2024, 16(10), 4052; https://doi.org/10.3390/su16104052 (registering DOI) - 12 May 2024
Abstract
Photobiological treatment of reverse osmosis concentrate (ROC) using brackish diatoms is a green and sustainable technology that can enhance water recovery by removing dissolved silica from ROC while producing beneficial biomass. This study aimed to determine the optimum conditions for the photobiological treatment
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Photobiological treatment of reverse osmosis concentrate (ROC) using brackish diatoms is a green and sustainable technology that can enhance water recovery by removing dissolved silica from ROC while producing beneficial biomass. This study aimed to determine the optimum conditions for the photobiological treatment of ROC obtained from a full-scale advanced water purification facility using Gedaniella flavovirens Psetr3. While light color presented minor impacts on the silica uptake rate, the impact of color intensity was significant. The uptake rate improved from 28 ± 1 to 48 ± 7 mg/L/day by increasing photosynthetically active radiation (PAR) from 50 to 310 µmol m−2 s−1. Increasing the PAR further did not improve the performance. The optimum temperature was around 23–30 °C. While the silica uptake was slower at 10 °C, G. flavovirens Psetr3 was unable to survive at 40 °C. Experiments using sunlight as a light source verified the impact of temperature on the silica uptake and the detrimental effect of ultraviolet radiation on this diatom. The sunlight-based treatment effectively removed N-nitrosodimethylamine. The results of this study are being used in subsequent pilot-scale investigations and full-scale technoeconomic analysis and will contribute to the further development of this sustainable water technology.
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Open AccessArticle
Interrelationships and Trade-Offs between Urban Natural Space Use and Biodiversity
by
Elena Prioreschi, Nici Zimmermann, Michael Davies and Irene Pluchinotta
Sustainability 2024, 16(10), 4051; https://doi.org/10.3390/su16104051 (registering DOI) - 12 May 2024
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Urban natural spaces provide important ecosystem services and a wide range of health- and well-being-related benefits for their visitors. They are also essential spaces for biodiversity protection and promotion in a world of rising urbanisation rates and worsening impacts of climate change. However,
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Urban natural spaces provide important ecosystem services and a wide range of health- and well-being-related benefits for their visitors. They are also essential spaces for biodiversity protection and promotion in a world of rising urbanisation rates and worsening impacts of climate change. However, these spaces are often underutilised by urban residents. When they are utilised, this usage often leads to some level of environmental degradation and biodiversity loss. Hence, understanding how to promote both use and biodiversity levels in urban natural spaces is critical. While various reports have studied the broad factors associated with urban natural space use, the specific relationship between biodiversity and use remains to be explored. This paper uses a Systems Thinking approach to unpack the complex relationship between urban natural space use and biodiversity and to help guide the design and management of these spaces in a way that promotes both use and biodiversity. With data collected from a systematic literature review, a causal loop diagram (CLD) was constructed and analysed. The CLD construction and analysis highlighted various key factors that play an important role in relating urban natural space use and biodiversity. Among these is the role of individual and social perceptions and values in determining how biodiversity levels will affect usage, and vice versa. The results were applied to a case study: the Thamesmead regeneration project undertaken by the social housing association Peabody. We made recommendations regarding Peabody’s biodiversity and green infrastructure plans for Thamesmead, presenting new design and maintenance techniques and assessing various existing techniques mentioned in the documents. Through the CLD analysis, we uncovered various unintended consequences from common design and maintenance techniques and discuss these trade-offs and relationships.
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Open AccessArticle
Long-Time Assessment of the Organic Farmer’s Market in Granada (Spain)
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Francisco Javier Peña Rodríguez, Alberto Matarán Ruiz, Adolfo José Torres Rodríguez, César Eduardo de la Cruz Abarca, Josefa Sánchez Contreras, Alba Ruiz Díez, Sergio Visquert Bruguera and Juan Carlos Morilla Moreno
Sustainability 2024, 16(10), 4050; https://doi.org/10.3390/su16104050 (registering DOI) - 12 May 2024
Abstract
In recent years the world has seen an increase in the popularity of farmer’s markets, short food supply chains and local food systems. This growth can be attributed to the public’s growing consciousness of the impracticality of the global food system, globalization’s waste
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In recent years the world has seen an increase in the popularity of farmer’s markets, short food supply chains and local food systems. This growth can be attributed to the public’s growing consciousness of the impracticality of the global food system, globalization’s waste of fossil fuels, the fear of food chemicals, and small farmers’ desire to directly sell their products, among other things. Although there are a wealth of farmer’s market surveys and research on this topic that has been conducted over the past decades around the world, scant data have been collected about farmer’s markets in the south of Spain. This study focuses on the organic farmer’s market in Granada (Spain) and consists of five surveys developed in 8 years which are analyzed to help better understand this market that was first established in the Spring of 2013. It will also consider research on farmer’s markets in Europe and beyond in order to compare the situation of the Granada market as well as bringing in some new ideas of how it can be improved.
Full article
(This article belongs to the Special Issue Recent Advances in Sustainable Food Systems—Local and Alternative Solutions for Global Challenges)
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Open AccessArticle
ICT-Enabled Education for Sustainability Justice in South East Asian Universities
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Vassilios Makrakis, Michele Biasutti, Nelly Kostoulas-Makrakis, Munirah Ghazali, Widad Othman, Mohammad Ali, Nanung Agus Fitriyanto and Katerina Mavrantonaki
Sustainability 2024, 16(10), 4049; https://doi.org/10.3390/su16104049 (registering DOI) - 12 May 2024
Abstract
This study aims to investigate the role of Information and Communication Technologies-enabled Education for Sustainability (ICTeEfS), critical reflection, and transformative teaching and learning beliefs in predicting students’ attitudes about seeking sustainability justice. A total of 1497 students from seven universities in Indonesia (374),
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This study aims to investigate the role of Information and Communication Technologies-enabled Education for Sustainability (ICTeEfS), critical reflection, and transformative teaching and learning beliefs in predicting students’ attitudes about seeking sustainability justice. A total of 1497 students from seven universities in Indonesia (374), Malaysia (426), and Vietnam (697) trialed four new scales measuring (a) knowledge of merging ICT with education for sustainability, (b) critical reflective practice, (c) sustainability justice attitudes, and (d) transformative teaching and learning beliefs. The findings show that the four scales are reliable and could be used in other research on education for sustainability. Differences were observed for gender, year of study, subject of study, ICT skills, and knowledge of education for sustainability. Regression analysis highlighted that sustainability justice is a multidimensional concept composed of several constructs with a specific reference to critical reflection, transformative teaching and learning beliefs. The implications for education, practice and further research are discussed.
Full article
(This article belongs to the Special Issue Teaching and Learning for Embedding Sustainability in Higher Education)
Open AccessSystematic Review
Mining Heritage Reuse Risks: A Systematic Review
by
Shuangyan Guo, Shan Yang and Canjiao Liu
Sustainability 2024, 16(10), 4048; https://doi.org/10.3390/su16104048 (registering DOI) - 12 May 2024
Abstract
Mining heritage reuse refers to the practice of repurposing former mining sites and their associated structures, landscapes, and communities for new uses, which plays a critical role in the green transformation of countries that are heavily reliant on mining resources. Nonetheless, repurposing closed
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Mining heritage reuse refers to the practice of repurposing former mining sites and their associated structures, landscapes, and communities for new uses, which plays a critical role in the green transformation of countries that are heavily reliant on mining resources. Nonetheless, repurposing closed mining sites comes with its own set of risks. Given these complexities, conducting a comprehensive risk analysis is imperative. Adhering to the PRISMA guidelines, this study established a systematic review for assessing risks in mining heritage reuse. We meticulously screened literature from Web of Science (WoS), Engineer Village (EI), and Wiley, ultimately focusing on 12 pertinent articles. Our findings categorize the repurposing of mining heritage into six distinct sectors: renewable energy, agriculture, residential developments, tourism, forestry, and underground laboratories. Analysis of the extant literature reveals a predominant focus on the environmental and technical aspects of risks, with less attention paid to the social dimensions of risks. A key contribution of this review is the introduction of the Public–Private Partnership (PPP) model and a multi-hazard approach to examining risks associated with mining heritage reuse. Consequently, future research on the risks of repurposing mining heritage is recommended to incorporate assessments of social-level risks and the interplay among various risk factors.
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(This article belongs to the Section Resources and Sustainable Utilization)
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Open AccessReview
A Review of Corporate Social Responsibility Decoupling and Its Impact: Evidence from China
by
Tian Luan
Sustainability 2024, 16(10), 4047; https://doi.org/10.3390/su16104047 (registering DOI) - 12 May 2024
Abstract
CSR decoupling refers to the misalignment between a company’s stated CSR policies and its actual practices, resulting in issues like diminished financial performance and heightened risk. While initially explored in developed economies such as the US, recent research has shifted focus towards developing
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CSR decoupling refers to the misalignment between a company’s stated CSR policies and its actual practices, resulting in issues like diminished financial performance and heightened risk. While initially explored in developed economies such as the US, recent research has shifted focus towards developing nations like China. However, a comprehensive review of CSR decoupling literature in the Chinese market remains lacking. Previous research typically examines the decoupling phenomenon at the general level of CSR, without considering the distinct impacts of its three key components: environmental, social, and governance pillars. Our study seeks to address this gap by conducting a comprehensive review of CSR decoupling covering 82 related studies, specifically analyzing its environmental, social, and governance dimensions within the context of China. Our findings offer valuable insights for both future research on CSR decoupling in China and policymaking. Firstly, there is a pressing need to prioritize investigations into means–ends decoupling, given the constraints on policy–practice decoupling imposed by stringent regulations. Secondly, the role of government policies in shaping CSR practices is pivotal. Future research could delve into the impacts of policy shocks using quasi-experimental designs. Thirdly, emerging issues like workplace safety, the executive pay gap, and gender diversity are gaining prominence in China’s CSR landscape. Lastly, the dominance of state ownership presents significant challenges to corporate governance, warranting further exploration.
Full article
(This article belongs to the Special Issue Corporate Social Responsibility (CSR) and Sustainability: Whether or How?)
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Open AccessArticle
Applying the Hypothetical Extraction Method to Investigate Intersectoral Carbon Emission Linkages of China’s Transportation Sector
by
He He, Yunhuan Gao and Xiaolei Wang
Sustainability 2024, 16(10), 4046; https://doi.org/10.3390/su16104046 (registering DOI) - 12 May 2024
Abstract
The transportation sector is an indispensable link in the industrial chain of an economic system. Considering the current push to comprehensively construct new patterns of development, the transportation sector is under huge pressure to achieve the goal of “carbon peak and carbon neutral”.
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The transportation sector is an indispensable link in the industrial chain of an economic system. Considering the current push to comprehensively construct new patterns of development, the transportation sector is under huge pressure to achieve the goal of “carbon peak and carbon neutral”. Therefore, to develop low-carbon transportation in China, it is important to study the carbon emission linkages in its transportation sector in order to understand its potential and the factors affecting carbon mitigation. In this study, sectoral carbon emission linkages and dynamic changes during the period of 2002–2020 for the transportation sector in China were quantitatively investigated based on the input–output analysis and hypothetical extraction method (HEM). The results showed that the total carbon emission linkages for the transportation sector mainly experienced growth, increasing by 848.63 Mt from 2002 to 2020, with consistently stronger supply-side than demand-side carbon emission linkages. This indicates that the potential of the transportation sector for carbon reduction lies upstream in the chain of carbon emission linkages. Furthermore, the transportation sector was consistently a net export sector of carbon emissions, and net carbon transfer decreased with fluctuations. Regarding carbon emissions from the transportation sector, the construction sector was found to be main destination for the majority of these emissions, while the power supply sector was the largest source. The policy implications derived from this research can serve as a crucial lever for the low-carbon development of China’s transportation sector.
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(This article belongs to the Special Issue Effects of CO2 Emissions Control on Transportation and Its Energy Use)
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Open AccessArticle
Embodied Energy Coefficient Quantification and Implementation for an Energy-Conservative House in Thailand
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Nattaya Sangngamratsakul, Kuskana Kubaha and Siriluk Chiarakorn
Sustainability 2024, 16(10), 4045; https://doi.org/10.3390/su16104045 (registering DOI) - 12 May 2024
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The increasing rate of population growth and urban expansion has led to a higher demand for fossil fuels, which, in turn, directly generate greenhouse gas emissions into the atmosphere. These emissions contribute to environmental problems such as global warming and climate change. This
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The increasing rate of population growth and urban expansion has led to a higher demand for fossil fuels, which, in turn, directly generate greenhouse gas emissions into the atmosphere. These emissions contribute to environmental problems such as global warming and climate change. This study aims to present the total life-cycle energy analysis (LCEA) of a single-family detached house designed with an energy conservation approach. Using a cradle-to-grave scope, this study quantifies the embodied energy in six stages of the building’s life cycle, i.e., initial, transportation, construction, operational, recurrent, and demolition. An input–output (IO)-based method was employed to construct a Thailand-specific embodied energy coefficient for 36 key building materials. This coefficient was then used to quantify both the initial embodied energy and the recurrent embodied energy in this study. The case-study house was broken down into 13 building materials. Concrete was the most consumed material, followed by fiber–cement, steel, and timber, in that order. However, the results of the embodied energy distribution for these materials revealed that fiber–cement ranked first, accounting for 29%. Steel was next, at 21%, followed by concrete at 18%, and, finally, aluminum at 12%. The case-study house had an initial embodied energy of 7.99 GJ/m² and a total life-cycle energy consumption of 0.66 GJ/m²/year. This study provides valuable information on LCEA for residential buildings, fostering public understanding of energy conservation in the Thai context. Furthermore, this study’s results can be applied to establish energy conservation guidelines for residential buildings. These guidelines can help reduce energy resource depletion, carbon emissions, and environmental problems, ultimately contributing to Thailand’s goal of achieving carbon neutrality by 2050.
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Open AccessArticle
Derivation of Landslide Rainfall Thresholds by Geostatistical Methods in Southwest China
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Zhongyuan Xu, Zhilin Xiao, Xiaoyan Zhao, Zhigang Ma, Qun Zhang, Pu Zeng and Xiaoqiong Zhang
Sustainability 2024, 16(10), 4044; https://doi.org/10.3390/su16104044 (registering DOI) - 12 May 2024
Abstract
Deriving rainfall thresholds is one of the most convenient and effective empirical methods for formulating landslide warnings. The previous rainfall threshold models only considered the threshold values for areas with landslide data. This study focuses on obtaining a threshold for each single landslide
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Deriving rainfall thresholds is one of the most convenient and effective empirical methods for formulating landslide warnings. The previous rainfall threshold models only considered the threshold values for areas with landslide data. This study focuses on obtaining a threshold for each single landslide via the geostatistical interpolation of historical landslide–rainfall data. We collect the occurrence times and locations of landslides, along with the hourly rainfall data, for Dazhou. We integrate the short-term and long-term rainfall data preceding the landslide occurrences, categorizing them into four groups for analysis: 1 h–7 days (H1–7), 12 h–7 days (H12–D7), 24 h–7 days (H24–D7), and 72 h–7 days (H72–D7). Then, we construct a rainfall threshold distribution map based on the 2014–2020 data by means of Kriging interpolation. This process involves applying different splitting coefficients to distinguish the landslides triggered by short-term versus long-term rainfall. Subsequently, we validate these thresholds and splitting coefficients using the dataset for 2021. The results show that the best splitting coefficients for H1–D7, H12–D7, H24–D7, and H72–D7 are around 0.19, 0.52, 0.55, and 0.80, respectively. The accuracy of the predictions increases with the duration of the short-term rainfall, from 48% for H1–D7 to 67% for H72–D7. The performance of these threshold models indicates their potential for practical application in the sustainable development of geo-hazard prevention. Finally, we discuss the reliability and applicability of this method by considering various factors, including the influence of the interpolation techniques, data quality, weather forecast, and human activities.
Full article
(This article belongs to the Special Issue Monitoring, Early Warning and Mitigation Measures of Mountain Hazards and Environmental Degradation)
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Optimizing Business-to-Business Customer Satisfaction Analysis through Advanced Two-Stage Clustering: Insights from Industrial Parks
by
Jian Wang and Lingling Yue
Sustainability 2024, 16(10), 4043; https://doi.org/10.3390/su16104043 (registering DOI) - 12 May 2024
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Traditional research on customer satisfaction (CS) estimation has focused on the business-to-customer (BTC) business mode. Customers in the BTC mode have been assumed to be familiar with the full range of services or products and to be able to make estimations of their
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Traditional research on customer satisfaction (CS) estimation has focused on the business-to-customer (BTC) business mode. Customers in the BTC mode have been assumed to be familiar with the full range of services or products and to be able to make estimations of their CS. However, in the business-to-business (BTB) mode, diverse services have often been required and provided. It may be difficult to find members who have experience with all kinds of services or to generate common CS estimation results supported by different members. In this study, the difference between BTC and BTB was verified using structural equation modeling (SEM), and a model of CS estimation was developed with respect to BTB. The empirical results show that perceived service quality has no direct impact on enterprise satisfaction, indicating that traditional models are limited. A two-stage clustering algorithm was adopted to optimize the traditional CS evaluation model based on SEM, i.e., (1) K-nearest neighbor (KNN) classification and (2) density-based spatial clustering of applications with noise (DBSCAN). In order to verify the feasibility of the proposed model, CS with respect to six industrial parks was estimated empirically. The results show that the proposed model can improve the results of CS estimation compared with the results obtained using traditional methods. During the clustering process, each park generated and eliminated a certain number of noise points to optimize the satisfaction evaluation results. Specifically, park A generated and eliminated seven noise points, while park C generated and eliminated five noise points. The results of the satisfaction evaluation of each park obtained using the proposed model are more realistic, i.e., park A > park B > park C > park E > park D > park F. The proposed model extends the existing research on CS estimation in theory and can support applications in the BTB business mode.
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Open AccessArticle
Can Mandatory Disclosure of CSR Information Drive the Transformation of Firms towards High-Quality Development?
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Rong Xu, Yongze Cui, Qi Ban, Yang Xie and Xiaoyun Fan
Sustainability 2024, 16(10), 4042; https://doi.org/10.3390/su16104042 (registering DOI) - 12 May 2024
Abstract
This paper establishes a quasi-natural experiment grounded in the exogenous shock occasioned by the implementation of a compulsory corporate social responsibility (CSR) information disclosure policy. It investigates the ramifications of this mandated CSR information disclosure policy on firms’ total factor productivity (TFP) through
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This paper establishes a quasi-natural experiment grounded in the exogenous shock occasioned by the implementation of a compulsory corporate social responsibility (CSR) information disclosure policy. It investigates the ramifications of this mandated CSR information disclosure policy on firms’ total factor productivity (TFP) through the integration of the difference-in-differences (DID) methodology. The investigation reveals that obligatory disclosure of CSR information significantly augments firms’ total factor productivity (TFP) by mitigating agency conflicts and financial constraints. Further analysis elucidates investment efficiency and innovation enhancement as pivotal conduits through which the mandatory CSR information disclosure policy fosters firms’ TFP. The study explores the impact of mandatory CSR information disclosure on firms’ TFP mechanism, which has significant policy value and can provide useful reference for the high-standard development of China’s corporate economic transformation.
Full article
(This article belongs to the Special Issue Global Sustainability: Good Governance, Dynamism in Ecosystems, and International Business)
Open AccessArticle
High-Speed Rail in the US—Mode Choice Decision and Impact of COVID-19
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Jing Yu Pan
Sustainability 2024, 16(10), 4041; https://doi.org/10.3390/su16104041 (registering DOI) - 11 May 2024
Abstract
While high-speed rail (HSR) has achieved success in major cities in Europe and Asia, it is a new phenomenon in the US, and few studies on HSR in the US are available, especially from the users’ perspective. This study aims to fill the
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While high-speed rail (HSR) has achieved success in major cities in Europe and Asia, it is a new phenomenon in the US, and few studies on HSR in the US are available, especially from the users’ perspective. This study aims to fill the research gap by investigating the mode choice behavior in the Los Angeles and San Francisco corridor where HSR may soon become a feasible option. The impact of COVID-19 was also examined with regard to how people view modes of domestic travel and how their view may change. The geographic locations of travelers and the possible HSR characteristics in the US were also explored. Survey data of US travelers was collected on MTurk, which was analyzed using logistics regression and Two-Way MANOVA. The results indicated that convenience in transport, travel frequency, gender, mobility issues, and total travel time were determinants in the choice between HSR and air service, while travel frequency and total travel time were important in the choice between HSR and car transport. Most US travelers changed their views following COVID-19 in terms of domestic travel and exhibited a higher intention to travel by train and HSR. Geographic patterns were identified, such as people in the southern US were the most knowledgeable of HSR and had the greatest intention to use HSR, while people in the northeast exhibited the lowest intention. The findings indicate potential interest in HSR among US travelers, and offer much-needed empirical evidence for the potential success of HSR in the US.
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Open AccessArticle
A Cloud- and Game Model-Based Approach to Project Evaluations of Sustainable Power Supply Investments
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Kuoyi Lin and Bin Li
Sustainability 2024, 16(10), 4040; https://doi.org/10.3390/su16104040 (registering DOI) - 11 May 2024
Abstract
In light of electrical energy’s increasing role in economic systems worldwide, prioritizing investments in sustainable power supplies has become paramount. This study proposes a model based on cloud theory and game theory to evaluate sustainable power supply investment projects. It establishes a foundation
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In light of electrical energy’s increasing role in economic systems worldwide, prioritizing investments in sustainable power supplies has become paramount. This study proposes a model based on cloud theory and game theory to evaluate sustainable power supply investment projects. It establishes a foundation for assessing the merits of power supply investments, which are crucial for continuous electricity provision and economic advancement. By integrating an enhanced analytic hierarchy process and the entropy method, the study develops a dual-weighted evaluative index system. This hybrid approach addresses ambiguities and enhances the weight determination accuracy, which, when applied to the Liaojiawan Transformer Substation, verifies the project’s high benefit level, corroborated by empirical data. This innovative methodology offers a strategic framework for future power supply investments.
Full article
(This article belongs to the Special Issue Machine Learning and Data Mining Techniques: Towards a Sustainable Industry)
Open AccessReview
Effect of Treated/Untreated Recycled Aggregate Concrete: Structural Behavior of RC Beams
by
Ayman Abdo, Ayman El-Zohairy, Yasser Alashker, Mohamed Abd El-Aziz Badran and Sayed Ahmed
Sustainability 2024, 16(10), 4039; https://doi.org/10.3390/su16104039 (registering DOI) - 11 May 2024
Abstract
Using recycled concrete aggregates from construction and demolition wastes on structural concrete is a sustainable solution to reduce the consumption of natural resources and the detrimental effects of concrete production on the environment. This paper has collected much data from the literature to
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Using recycled concrete aggregates from construction and demolition wastes on structural concrete is a sustainable solution to reduce the consumption of natural resources and the detrimental effects of concrete production on the environment. This paper has collected much data from the literature to study fresh, mechanical properties and durability of concrete made of treated/untreated recycled aggregate (RA). Furthermore, the flexural and shear behavior of recycled aggregate concrete (RAC) beams was studied. This study discussed the distinctions and similarities between reinforced RAC beams and reinforced natural aggregate concrete (NAC) beams. The results of this review’s analysis clearly show that reinforced RAC beams with different RAC ratios perform structurally on par with or slightly worse than reinforced NAC beams, demonstrating the viability of RAC for structural applications. Emphasis is placed on carefully choosing and adjusting material models for recycled aggregate concrete. Ultimately, guidelines for future inquiries in this field are delineated and deliberated upon. The review will be advantageous for academics and professionals who aim to acquire a comprehensive comprehension of the behavior of RAC beams. It addresses several practical concerns connected to the numerical modeling of these components, which have not been adequately covered in existing literature.
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(This article belongs to the Special Issue Advancements in Sustainable Composite Materials: From Innovative Technologies to Eco-Friendly Design)
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Review on Dust Control Technologies in Coal Mines of China
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Rongting Huang, Yichun Tao, Jianglin Chen, Shihang Li and Shiyuan Wang
Sustainability 2024, 16(10), 4038; https://doi.org/10.3390/su16104038 (registering DOI) - 11 May 2024
Abstract
China faces a challenge in the sustainable development of the coal industry due to pneumoconiosis problems. Dust control technologies are crucial for safe production and miners’ health, ensuring the industry’s longevity. This article reviews the development process of dust prevention and control in
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China faces a challenge in the sustainable development of the coal industry due to pneumoconiosis problems. Dust control technologies are crucial for safe production and miners’ health, ensuring the industry’s longevity. This article reviews the development process of dust prevention and control in underground coal mines in China, summarizes various technologies, and divides them into dust suppression, open-space dust reduction, and mine dust collectors according to different stages and environments of use. In dust suppression technologies, coal-seam water injection can reduce total dust generation by 60%, wet rock drilling can reduce drilling dust in the presence of stable water sources and high-pressure bearing equipment, and water-seal blasting can reduce blasting dust by 50–70%. In open-space dust reduction technologies, spray dust suppression can remove total dust by 50–95% and the removal efficiencies of foam dedusting for total and respirable dust are reported to reach 95% and 85% under the right conditions, respectively. In dust collector technologies, dry collectors can remove 80–95% of total dust. Wet collectors achieve up to 90% efficiency, dependent on water supply and waste processing. This article also discusses vapor heterogeneous condensation technology as a promising method for improving respirable dust removal in humid mine environments.
Full article
Open AccessArticle
Students’ Perceptions of Teacher Training for Inclusive and Sustainable Education: From University Classrooms to School Practices
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Xènia Garcia-Vallès, Mar Badia Martín, Josep Maria Sanahuja Gavaldà and Antonio Pérez Romero
Sustainability 2024, 16(10), 4037; https://doi.org/10.3390/su16104037 (registering DOI) - 11 May 2024
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Teachers are the pillar for the development of inclusion. Hence, their initial training becomes a matter of relevance for the success of creating inclusive schools. This work contributes to the achievement of the Sustainable Development Goal 4: ensure inclusive and equitable quality education
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Teachers are the pillar for the development of inclusion. Hence, their initial training becomes a matter of relevance for the success of creating inclusive schools. This work contributes to the achievement of the Sustainable Development Goal 4: ensure inclusive and equitable quality education and promote lifelong learning opportunities for all. The other objectives were to delimit the competences in inclusive education for teachers and analyse the perception of future teachers in the acquisition of IE competences in the context of university classrooms and internship centres. This research was carried out with 315 students from Catalan public universities through a questionnaire to assess their perception of these competencies. The results show that competences related to leadership in educational environments, inclusive values, or the identification of the students’ abilities are being developed in internship centres. However, the university classroom context lead to the development of competences related to cooperative learning and assessment. In addition, there are significant differences between students who follow specialised teacher training in special needs and those who do not follow it. In conclusion, there is a need to extend specific training to all students and for a greater interrelationship between the training for developing competences in both contexts.
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Open AccessArticle
Recycled-Textile-Waste-Based Sustainable Bricks: A Mechanical, Thermal, and Qualitative Life Cycle Overview
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Hafsa Jamshaid, Ambar Shah, Muhammad Shoaib and Rajesh Kumar Mishra
Sustainability 2024, 16(10), 4036; https://doi.org/10.3390/su16104036 (registering DOI) - 11 May 2024
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The textile industry, renowned for its comfort-providing role, is undergoing a significant transformation to address its environmental impact. The escalating environmental impact of the textile industry, characterised by substantial contributions to global carbon emissions, wastewater, and the burgeoning issue of textile waste, demands
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The textile industry, renowned for its comfort-providing role, is undergoing a significant transformation to address its environmental impact. The escalating environmental impact of the textile industry, characterised by substantial contributions to global carbon emissions, wastewater, and the burgeoning issue of textile waste, demands urgent attention. This study aims at identifying the feasibility of the future use of textile scraps in the construction and architecture industry by analysing the effect of different binders. In this study, synthetic knitted post-consumer-waste fabrics were taken from a waste market for use as a reinforcement, and different binders were used as the matrix. In the experiment phase, the waste fabrics were mixed with synthetic binders and hydraulic binders to form brick samples. The mechanical and thermal properties of these samples were tested and compared with those of clay bricks. In terms of mechanical properties, unsaturated polyester resin (UPR) samples showed the highest mechanical strength, while acrylic glue (GL) samples had the lowest mechanical strength. White cement (WC) samples showed moderate mechanical properties. Through several tests, it was observed that UPR samples showed the highest values of tensile, bending, and compressive strengths, i.e., 0.111 MPa, 0.134 MPa, and 3.114 MPa, respectively. For WC, the tensile, bending, and compressive strengths were 0.064 MPa, 0.106 MPa, and 2.670 MPa, respectively. For GL, the least favourable mechanical behaviour was observed, i.e., 0.0162 MPa, 0.0492 MPa, and 1.542 MPa, respectively. In terms of thermal conductivity, WC samples showed exceptional resistance to heat transfer. They showed a minimum temperature rise of 54.3 °C after 15 min, as compared to 57.3 °C for GL-based samples and 58.1 °C for UPR. When it comes to polymeric binders, UPR showed better thermal insulation properties, whereas GL allowed for faster heat transfer for up to 10 min of heating. This study explores a circular textile system by assessing the potential of using textile waste as a building material, contributing to greener interior design. This study demonstrated the usefulness of adding short, recycled PET fibres as a reinforcement in UPR composites. The use of the PET fibre avoids the need to use a surface treatment to improve interfacial adhesion to the UPR matrix because of the chemical affinity between the two polyesters, i.e., the PET fibre and the unsaturated polyester resin. This can find application in the construction field, such as in the reinforcement of wooden structural elements, infill walls, and partition walls, or in furniture or for decorative purposes.
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Open AccessArticle
The Impact of Technological Innovation on Agricultural Green Total Factor Productivity: The Mediating Role of Environmental Regulation in China
by
Lihuan Huang and Ying Ping
Sustainability 2024, 16(10), 4035; https://doi.org/10.3390/su16104035 (registering DOI) - 11 May 2024
Abstract
This study delves into the effects of agricultural technological innovation on agricultural green total factor productivity (AGTFP) and the intermediating role of environmental regulation (ER) in 30 Chinese provinces from 2010 to 2021. Employing mediation analysis methods such as the three-step approach, Sobel–Goodman
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This study delves into the effects of agricultural technological innovation on agricultural green total factor productivity (AGTFP) and the intermediating role of environmental regulation (ER) in 30 Chinese provinces from 2010 to 2021. Employing mediation analysis methods such as the three-step approach, Sobel–Goodman test, and Bootstrap methods, the findings are robust: technological innovation significantly enhances AGTFP, as evidenced by a 1% level significant coefficient of 0.030. Additionally, ER acts as a potent mediator, where its inclusion as an independent variable alongside agricultural technological innovation (AST) boosts the coefficient to 0.031, further confirming its synergistic effect on AGTFP. These data points underline the importance of innovation in agricultural sustainability and the reinforcing role of environmental regulation. Consequently, this study advocates for intensified agricultural innovation support, tailored environmental regulation policies, augmented environmental education, and a meticulous evaluation system for environmental legislation to foster sustainable agricultural practices.
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(This article belongs to the Collection Policies for Sustainable Agricultural Productivity and Efficiency)
Open AccessArticle
Does Digital Inclusive Finance Help County Level Governance in the Five Provinces of Northwest China, from the Perspective of Economic Resilience?
by
Xinshu Gong and Liyu Zhao
Sustainability 2024, 16(10), 4034; https://doi.org/10.3390/su16104034 (registering DOI) - 11 May 2024
Abstract
The sustainable development of a country requires stable funds to reshape and restore its economy, something which cannot be separated from the support of financial services. Digital financial inclusion, with its inclusive and extensive features, has provided a new impetus for economic development
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The sustainable development of a country requires stable funds to reshape and restore its economy, something which cannot be separated from the support of financial services. Digital financial inclusion, with its inclusive and extensive features, has provided a new impetus for economic development and governance. Based on the panel data of 193 counties in 5 provinces of northwest China from 2014 to 2021, this paper uses a bi-directional fixed effect model, an intermediary effect model and a threshold effect model in order to test digital inclusive finance and county-level economic resilience, and to explore the internal correlation details. The results show that digital inclusive finance will significantly enhance the economic resilience of the five northwestern provinces by improving capital allocation efficiency, enhancing entrepreneurship and employment vitality, and reducing pollution emissions. In addition, there is a double threshold effect between capital allocation efficiency and employment vitality, in which the threshold effect of capital allocation efficiency presents a progressively increasing state, and in which the threshold effect of entrepreneurship and employment vitality presents a state of fluctuating increase. Therefore, China needs to further improve the digital inclusive financial environment in its northwest; continue and deepen the significant functions of digital inclusive finance in resource allocation efficiency, entrepreneurship and employment vitality, and environmental protection; and provide guidance for solving regional imbalances and promoting national sustainable development.
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(This article belongs to the Section Sustainable Management)
Open AccessReview
Microplastics in Water: A Review of Characterization and Removal Methods
by
Yun Li, Ping Chen, Yalan Tang, Yanjing Yang, Chengyun Zhou, Jiaqi Bu and Shian Zhong
Sustainability 2024, 16(10), 4033; https://doi.org/10.3390/su16104033 (registering DOI) - 11 May 2024
Abstract
Microplastics (MPs), as an emerging persistent pollutant, exist and accumulate in the environment, which has garnered them considerable global attention. While the origin, dispersion, distribution, and impact of MPs have been extensively documented, the characterization and removal strategies for MPs present ongoing challenges.
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Microplastics (MPs), as an emerging persistent pollutant, exist and accumulate in the environment, which has garnered them considerable global attention. While the origin, dispersion, distribution, and impact of MPs have been extensively documented, the characterization and removal strategies for MPs present ongoing challenges. In this literature review, we introduce in detail the advantages and disadvantages of seven characterization methods, from macroscopic to microscopic, from visual observation to microscopic characterization, and discuss their scope of application. In addition, 12 treatment schemes were summarized from the three treatment directions of physics, chemistry, and biology, including filtration, adsorption, extraction, magnetic separation, oil film separation, Fenton oxidation, electrochemical oxidation, persulfate advanced oxidation, photocatalytic oxidation, coagulation, electrocoagulation, foam flotation, anaerobic–anoxic–aerobic activated sludge, enzymatic degradation, bacterial degradation, and fungal degradation. Additionally, we present a critical assessment of the advantages and drawbacks associated with these removal strategies. Building upon the findings of our research team, we propose a novel approach to degrade MPs, which combines three-dimensional electrocatalytic oxidation technology with persulfate advanced oxidation technology. This advanced oxidation technology achieves 100% degradation of antibiotics in water, can degrade large molecules into environmentally harmless small molecules, and should also be a very good strategy for the degradation of MPs. Compared with two-dimensional electrocatalytic technology, the degradation efficiency is higher and the degradation cost is lower This review intends to propel further advancements for addressing the issue of MP pollution.
Full article
(This article belongs to the Special Issue Emerging Contaminants in Wastewater: Innovative Approaches for Remediation)
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