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Keywords = customer recycling behavior

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36 pages, 4108 KiB  
Article
Innovative AIoT Solutions for PET Waste Collection in the Circular Economy Towards a Sustainable Future
by Cosmina-Mihaela Rosca and Adrian Stancu
Appl. Sci. 2025, 15(13), 7353; https://doi.org/10.3390/app15137353 - 30 Jun 2025
Viewed by 430
Abstract
Recycling plastic waste has emerged as one of the most pressing environmental challenges of the 21st century. One of the biggest challenges in polyethylene terephthalate (PET) recycling is the requirement to return bottles in their original, undeformed state. This necessitates storing large volumes [...] Read more.
Recycling plastic waste has emerged as one of the most pressing environmental challenges of the 21st century. One of the biggest challenges in polyethylene terephthalate (PET) recycling is the requirement to return bottles in their original, undeformed state. This necessitates storing large volumes of waste and takes up substantial space. Therefore, this paper seeks to address this issue and introduces a novel AIoT-based infrastructure that integrates the PET Bottle Identification Algorithm (PBIA), which can accurately recognize bottles regardless of color or condition and distinguish them from other waste. A detailed study of Azure Custom Vision services for PET bottle identification is conducted, evaluating its object recognition capabilities and overall performance within an intelligent waste management framework. A key contribution of this work is the development of the Algorithm for Citizens’ Trust Level by Recycling (ACTLR), which assigns trust levels to individuals based on their recycling behavior. This paper also details the development of a cost-effective prototype of the AIoT system, demonstrating its low-cost feasibility for real-world implementation, using the Asus Tinker Board as the primary hardware. The software application is designed to monitor the collection process across multiple recycling points, offering Microsoft Azure cloud-hosted data and insights. The experimental results demonstrate the feasibility of integrating this prototype on a large scale at minimal cost. Moreover, the algorithm integrates the allocation points for proper recycling and penalizes fraudulent activities. This innovation has the potential to streamline the recycling process, reduce logistical burdens, and significantly improve public participation by making it more convenient to store and return used plastic bottles. Full article
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24 pages, 1789 KiB  
Article
Circular Economy Strategy Selection Through a Digital Twin Approach
by Marta Rinaldi, Mario Caterino, Marcello Fera, Raffaele Abbate, Umberto Daniele and Roberto Macchiaroli
Appl. Sci. 2025, 15(13), 7016; https://doi.org/10.3390/app15137016 - 21 Jun 2025
Viewed by 364
Abstract
This study investigated the impact of different reverse logistics strategies on the economic and environmental performance of a system within the rubber flooring sector. A simulation tool was developed to replicate the behavior of a real production system, focusing on the transition from [...] Read more.
This study investigated the impact of different reverse logistics strategies on the economic and environmental performance of a system within the rubber flooring sector. A simulation tool was developed to replicate the behavior of a real production system, focusing on the transition from linear to circular processes. By considering multiple factors influencing system performance, this research offers an overview of the sustainability of various RL strategies and provides realistic estimates for different scenarios. Three key factors were used to evaluate each strategy’s response: transportation distance, flooring thickness, and returned flooring quality. The findings suggest that an environmental advantage generally favors on-site inspections at the customer’s location to assess the returned product’s condition, regardless of distance. However, centralizing inspections at the manufacturer’s facility is more economically advantageous when distances are short, particularly when the company prioritizes recycling over other circular economy practices. Based on these results, practical implications and guidelines are proposed to help companies balance cost-effectiveness with sustainability, optimizing their operations within a circular economy framework. Full article
(This article belongs to the Special Issue Sustainability and Green Supply Chain Management in Industrial Fields)
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25 pages, 3454 KiB  
Article
Design Principles of a Flat-Pack Electronic Sensor Kit with Intelligent User Interface Calibrations: A Case Study of Monitoring Sedentary Behavior in Workplace
by Ananda Maiti, Vanessa Ward, Amy Hilliard, Anjia Ye and Scott J. Pedersen
Appl. Sci. 2025, 15(9), 5111; https://doi.org/10.3390/app15095111 - 4 May 2025
Viewed by 600
Abstract
Consumer-grade electronics are ubiquitous and can be used to manage a range of devices for various purposes. Such devices can be both mobile and stationary. They have become increasingly intelligent in operation, utilizing complex software. The circular economy is a trend in which [...] Read more.
Consumer-grade electronics are ubiquitous and can be used to manage a range of devices for various purposes. Such devices can be both mobile and stationary. They have become increasingly intelligent in operation, utilizing complex software. The circular economy is a trend in which everyday utility items are designed with recyclable and easily recyclable materials. The materials may not be durable, but they make it easy to dispose of them at the end of their life. In this paper, we extend the concept of the circular economy to the design of electronic devices using cardboard as a flat-pack surface material. We propose a small device design technique and discuss its associated issues, enabling novice users to construct, install, and calibrate custom-built electronic devices. This is in the form of a kit that includes a cardboard flat-pack, a flexible electronic circuit board, and an instruction manual. We also discuss a software design algorithm that can be used to calibrate the newly constructed device. We only consider stationary devices and investigate the proposed devices and software with a sedentary behavior monitoring application. A trial with human participants was conducted to determine the ease of contracting and initially installing the devices. The results show that the proposed approach is highly feasible for novice human users and a high degree of trust with such devices. Full article
(This article belongs to the Section Green Sustainable Science and Technology)
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17 pages, 1907 KiB  
Article
An Assessment of the Knowledge, Attitudes, and Practices Toward General Waste Segregation among the Population of the United Arab Emirates
by Shahad K. Hassooni, Khaled A. El-Tarabily, Abdelghafar M. Abu-Elsaoud and Seham M. Al Raish
Sustainability 2024, 16(17), 7720; https://doi.org/10.3390/su16177720 - 5 Sep 2024
Viewed by 4678
Abstract
Increases in the human population and economic development have led to a rise in waste production, which poses significant environmental risks and presents a pressing global issue in waste management. Among other countries, this situation affects the United Arab Emirates (UAE). On the [...] Read more.
Increases in the human population and economic development have led to a rise in waste production, which poses significant environmental risks and presents a pressing global issue in waste management. Among other countries, this situation affects the United Arab Emirates (UAE). On the other hand, poor waste segregation practices can result in failed waste recycling efforts, leading to the excessive use of resources and worsening issues (such as energy consumption, global warming, and sustainable development). Waste segregation is a crucial step in waste management, which involves dividing waste according to its characteristics and type. By following this procedure, recycling effectiveness is increased, the environmental impact is decreased, and hazardous material disposal is ensured. Beneficial waste segregation reduces contamination, making it possible to recover valuable materials and thus use fewer landfills. Even though the failings in waste segregation are a severe issue, insufficient research has been carried out. This includes research on the knowledge, attitudes, and practices (KAP) of people living in the UAE regarding waste segregation, information which is crucial to developing a successful intervention to address this problem. The current study evaluated the KAP concerning waste segregation among UAE citizens and identified correlations between KAP variables, with the primary aim of filling a research gap, while analyzing the correlations between sociodemographic characteristics and KAP levels, which was the secondary aim. This was accomplished by a cross-sectional study conducted all over the UAE. Data were collected from 391 participants using a five-point Likert scale questionnaire that was developed from previous research and investigated sociodemographic characteristics, waste segregation practices (5), attitudes (5), and knowledge (5). UAE University’s ethical committees approved this study (ERSC_2024_4360) for research, and the results were confirmed through statistical analyses and Cronbach’s alpha testing. The inclusion criteria targeted residents of the UAE who were 18 years of age or above, and the survey was distributed via an online platform (Google Forms) with non-probability sampling. G*Power statistical power analysis estimated a minimum sample size of 385 participants. To identify correlations in the results, a structural equation model (SEM) and SPSS, such as Chi-square tests and Spearman correlation coefficients, were used to assess the associations between KAP variables. These tests were chosen for their robustness in handling categorical and continuous data, respectively. A notable majority (84.1%) of the participants were female, and 15.9% were male; the gender difference was highly significant, as revealed by the Chi-square test. Most participants (67.0%) fell into the 18–24 age group. The highest level of education reported was a bachelor’s degree (47.3%). The parents’ educational levels showed a relatively high level of education, with more than half having at least a high school degree or higher: father’s education level (67.2%) and mother’s education level (73.1%). Most participants were students (58.8%), but a significant portion of the sample was employed (25.1%). Unemployment was reported at 12.3%. The parents’ employment statuses showed a higher percentage of unemployed mothers (49.4%) compared to fathers (6.9%). The average scores suggested a favorable inclination toward sustainability (mean ± standard deviation (SD) for knowledge, 3.59 ± 0.78; poor knowledge, 3.6%; and excellent knowledge, 16.9%), attitudes (3.73 ± 0.77; poor attitudes, 2.8%; and excellent attitudes, 22.5%), and practices (3.62 ± 0.76; poor practices, 2.3%; and excellent practices, 16.4%), with all the means surpassing the midpoint. In the correlation test, the current study demonstrated positive correlations between knowledge and attitudes (r = 0.666, p < 0.001) and between knowledge and practices (r = 0.682, p < 0.001). Also, a positive correlation (r = 0.159, p < 0.001) was found between general waste segregation KAP and sociodemographic variables, with a significant correlation (r = 0.110) between attitudes and gender. These findings emphasize the possibility of using focused educational and policy interventions to improve waste segregation behaviors. An additional investigation is advised to delve into the fundamental mechanisms behind these correlations and devise customized approaches to encourage sustainable waste management practices among various demographic groups in the UAE. Full article
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26 pages, 2940 KiB  
Article
Factors Influencing Purchase Intention toward Recycled Apparel: Evidence from China
by Xiaofang Jin, Azizah Omar and Kai Fu
Sustainability 2024, 16(9), 3633; https://doi.org/10.3390/su16093633 - 26 Apr 2024
Cited by 9 | Viewed by 5404
Abstract
This study aimed to develop a conceptual framework that integrates both consumer-specific and product-specific factors, with a particular focus on consumer value perceptions regarding recycled apparel and their impact on consumer attitudes and purchase intention. The framework combines the Perceived Consumer Value (PCV) [...] Read more.
This study aimed to develop a conceptual framework that integrates both consumer-specific and product-specific factors, with a particular focus on consumer value perceptions regarding recycled apparel and their impact on consumer attitudes and purchase intention. The framework combines the Perceived Consumer Value (PCV) with the Knowledge–Attitude–Behavior (KAB) model. To validate the proposed conceptual framework, an online survey was conducted with a purposive sample of 716 participants in China. Using structural equation modeling, the hypotheses of the conceptual model were tested. This study identified four dimensions of perceived value and environmental knowledge as significant factors that positively influenced customers’ attitudes toward purchasing recycled apparel. Notably, it was found that perceived quality value had a more pronounced effect on purchase intention than other factors. Interestingly, product knowledge did not demonstrate a significant impact on attitudes. By exploring this under-researched topic, this study provides new insights into consumer behavior in the context of sustainable fashion in a non-Western context. Full article
(This article belongs to the Special Issue Social Marketing Approaches for Sustainable Development Goal)
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34 pages, 1733 KiB  
Article
Optimal Water Management Strategies: Paving the Way for Sustainability in Smart Cities
by Ayat-Allah Bouramdane
Smart Cities 2023, 6(5), 2849-2882; https://doi.org/10.3390/smartcities6050128 - 18 Oct 2023
Cited by 43 | Viewed by 7138
Abstract
Global urbanization and increasing water demand make efficient water resource management crucial. This study employs Multi-Criteria Decision Making (MCDM) to evaluate smart city water management strategies. We use representative criteria, employ objective judgment, assign weights through the Analytic Hierarchy Process (AHP), and score [...] Read more.
Global urbanization and increasing water demand make efficient water resource management crucial. This study employs Multi-Criteria Decision Making (MCDM) to evaluate smart city water management strategies. We use representative criteria, employ objective judgment, assign weights through the Analytic Hierarchy Process (AHP), and score strategies based on meeting these criteria. We find that the “Effectiveness and Risk Management” criterion carries the highest weight (15.28%), underscoring its pivotal role in strategy evaluation and robustness. Medium-weight criteria include “Resource Efficiency, Equity, and Social Considerations” (10.44%), “Integration with Existing Systems, Technological Feasibility, and Ease of Implementation” (10.10%), and “Environmental Impact” (9.84%) for ecological mitigation. “Community Engagement and Public Acceptance” (9.79%) recognizes involvement, while “Scalability and Adaptability” (9.35%) addresses changing conditions. “Return on Investment” (9.07%) and “Regulatory and Policy Alignment” (8.8%) balance financial and governance concerns. Two low-weight criteria, “Data Reliability” (8.78%) and “Long-Term Sustainability” (8.55%), stress data accuracy and sustainability. Highly weighted strategies like “Smart Metering and Monitoring, Demand Management, Behavior Change” and “Smart Irrigation Systems” are particularly effective in improving water management in smart cities. However, medium-weighted (e.g., “Educational Campaigns and Public Awareness”, “Policy and Regulation”, “Rainwater Harvesting”, “Offshore Floating Photovoltaic Systems”, “Collaboration and Partnerships”, “Graywater Recycling and Reuse”, and “Distributed Water Infrastructure”) and low-weighted (e.g., “Water Desalination”) strategies also contribute and can be combined with higher-ranked ones to create customized water management approaches for each smart city’s unique context. This research is significant because it addresses urban water resource management complexity, offers a multi-criteria approach to enhance traditional single-focused methods, evaluates water strategies in smart cities comprehensively, and provides a criteria-weight-based resource allocation framework for sustainable decisions, boosting smart city resilience. Note that results may vary based on specific smart city needs and constraints. Future studies could explore factors like climate change on water management in smart cities and consider alternative MCDM methods like TOPSIS or ELECTRE for strategy evaluation. Full article
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51 pages, 858 KiB  
Review
Towards Sustainable Color Cosmetics Packaging
by Manu Dube and Sema Dube
Cosmetics 2023, 10(5), 139; https://doi.org/10.3390/cosmetics10050139 - 2 Oct 2023
Cited by 17 | Viewed by 19701
Abstract
In spite of the significant progress towards sustainable cosmetics, mass-produced sustainable packaging has proven to be a challenge. The complexity of environmental, economic, social, technological, and policy considerations in conjunction with varying consumer behaviors and corporate goals can make it difficult to select [...] Read more.
In spite of the significant progress towards sustainable cosmetics, mass-produced sustainable packaging has proven to be a challenge. The complexity of environmental, economic, social, technological, and policy considerations in conjunction with varying consumer behaviors and corporate goals can make it difficult to select an optimal strategy across heterogeneous supply chain components spread over the globe, and the cost and effort of developing, testing, and validating alternative strategies discourages empirical exploration of potential alternatives. This review discusses the challenges that can be expected in the context of broader sustainability efforts, as well as the experience gained in related fields, such as sustainable cosmetics and sustainable packaging, to identify potential pitfalls as well as promising trends towards the development of sustainable color cosmetics packaging. The findings suggest there may be little to be gained from attempting to induce customers to change their behavior, waiting for a significant increase in global recycling infrastructure, or expecting regulatory constraints to substitute for the lack of technological and business solutions. A research strategy is delineated towards the development of sustainable packaging that, with appropriate policy support, could minimize externalities and provide mass-produced packaging that is acceptable to both consumers and producers. Full article
(This article belongs to the Special Issue Advanced Cosmetic Sciences: Sustainability in Materials and Processes)
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30 pages, 12823 KiB  
Article
An Integrative Computational Design Workflow and Validation Methodology for 3D-Printed Personalized Orthopedic Devices: Case Study of a Wrist–Hand Orthosis (WHO)
by Vaia Tsiokou, Alexandra Papatheodorou, Despoina Ntenekou, Panagiotis Zouboulis and Anna Karatza
Processes 2023, 11(7), 2204; https://doi.org/10.3390/pr11072204 - 22 Jul 2023
Cited by 8 | Viewed by 3353
Abstract
Additive manufacturing (AM) technologies enable the production of customized and personalized medical devices that facilitate users’ comfort and rehabilitation requirements according to their individual conditions. The concept of a tailor-made orthopedic device addresses the accelerated recovery and comfort of the patient through the [...] Read more.
Additive manufacturing (AM) technologies enable the production of customized and personalized medical devices that facilitate users’ comfort and rehabilitation requirements according to their individual conditions. The concept of a tailor-made orthopedic device addresses the accelerated recovery and comfort of the patient through the utilization of personalized rehabilitation equipment. Direct modeling, with an increasing number of approaches and prototypes, has provided many successful results until now. The modeling procedure for 3D-printed orthoses has emerged as the execution of steady and continuous tasks with several design selection criteria, such as cutting, thickening the surface, and engraving the shell of the orthosis. This publication takes into consideration the aforementioned criteria and proposes the creation of a holistic methodology and automated computational design process for the customization of orthotic assistive devices, considering aspects such as material properties, manufacturing limitations, recycling, and patients’ requirements. This proposal leads to the designing and manufacturing of a wrist orthopedic device based on reverse engineering, Design for AM (DfAM), and Design for Recycling (DfR) principles. The proposed methodology can be adjusted for different limbs. A dual-material approach was attained utilizing rigid, mechanically enhanced feedstock material and soft elastic material with reduced skin irritation risks to achieve both mechanical requirements and adequate cushioning for user comfort during rehabilitation. Recyclable thermoplastic matrices were selected, which also allow for the option to create washable devices for product life extension. Then, 3D scanning procedures were implemented to acquire the initial anatomic measurements for the design of the WHO and ensure and assess the dimensional accuracy of the final product. Physical mechanical testing was implemented to evaluate the WHO’s mechanical behavior and verify its functionality during basic wrist movements. The extracted dimensional data for the two main orthosis components that indicated approximately 50% and 25% of the tolerance values, respectively, were within the range (−0.1 mm, 0.1 mm). Full article
(This article belongs to the Section Manufacturing Processes and Systems)
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16 pages, 4804 KiB  
Article
On the Use of Waste Materials for Thermal Improvement of 3D-Printed Block—An Experimental Comparison
by Tullio de Rubeis, Annamaria Ciccozzi, Giovanni Pasqualoni, Domenica Paoletti and Dario Ambrosini
Buildings 2023, 13(5), 1136; https://doi.org/10.3390/buildings13051136 - 24 Apr 2023
Cited by 8 | Viewed by 2374
Abstract
Over the years, the building envelope has evolved from a protective barrier element to a complex filter system capable of optimizing the interactions between the external and internal environments. An efficient envelope reacts flexibly to variable external conditions, minimizing heat losses in the [...] Read more.
Over the years, the building envelope has evolved from a protective barrier element to a complex filter system capable of optimizing the interactions between the external and internal environments. An efficient envelope reacts flexibly to variable external conditions, minimizing heat losses in the winter season. Therefore, insulating materials play a fundamental role in building’s thermal performance. In this scenario, Additive Manufacturing represents an emerging and promising solution for the construction sector. Three-dimensional printing allows the creation of custom geometries, reduces material waste, and automates the construction process. This work aims to compare the thermal performance of a PLA (polylactic acid) 3D-printed block with an internal honeycomb structure whose air cavities are filled with natural and recyclable waste-insulating materials. The selected air cavity filling materials are (i) wood sawdust, (ii) sheep’s wool, and (iii) hemp. The thermal behavior of the block with the different filling materials was experimentally tested via Heat Flow Meter (HFM) method in a controlled environment (Hot Box). The results showed that the introduction of waste material significantly improved the thermal performance of the 3D-printed block compared to the case of air cavities. A thermal transmittance (U-value) reduction of up to 57% was obtained. Moreover, the sheep’s wool showed the best performance, with a U-value equal to 0.53 ± 0.02 W/m2K, i.e., 18.5% less than the wood sawdust and 19.7% less than hemp. Full article
(This article belongs to the Special Issue Energy Efficiency of Green Buildings)
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21 pages, 4457 KiB  
Article
Evaluation and Design of Reusable Takeaway Containers Based on the AHP–FCE Model
by Hu Sun, Qihang Yang and Yueqin Wu
Sustainability 2023, 15(3), 2191; https://doi.org/10.3390/su15032191 - 24 Jan 2023
Cited by 16 | Viewed by 4205
Abstract
As a strong and effective alternative to disposable food boxes that cause serious pollution consequences, reusable takeaway containers are promising in terms of environmental protection. However, at present, in the service process of leasing, using, distribution, and recycling, reusable takeaway containers have many [...] Read more.
As a strong and effective alternative to disposable food boxes that cause serious pollution consequences, reusable takeaway containers are promising in terms of environmental protection. However, at present, in the service process of leasing, using, distribution, and recycling, reusable takeaway containers have many problems, such as incomplete cleaning, resulting in unhygienic conditions, repeated use of materials that are not safe enough, food spillage, leakage or theft of customer phone and address information due to exposed takeaway order labels, and wrong containers taken by customers. In addition, there is a lack of objective and comprehensive evaluation methods and systems to guide their design and improvement. In order to solve the current problems of reusable takeaway containers and explore a quantitative approach for evaluation of design solutions from the perspective of users, this paper analyzed user behaviors and needs through user interviews, questionnaires, user journey maps (UJM), and other methods. Analytic hierarchy process (AHP) and fuzzy comprehensive evaluation (FCE) were used to construct an evaluation model for the design of reusable takeaway containers, and it was calculated as a function of the survey dataset. The comprehensive index weight model was established, and the design indicators were sorted to obtain the priority of design elements. Three design schemes were proposed and calculated by combining questionnaire data and the FCE method to obtain the optimal Scheme B. The results showed that the combination of UJM and AHP–FCE method framework was suitable for scheme evaluation and design development, which could provide effective and detailed user evaluation for designers and guide the direction of product improvement. Full article
(This article belongs to the Special Issue Consumer Analysis and Sustainable Food Consumption)
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16 pages, 1135 KiB  
Article
New Trends in Consumption in Poland as Shown by the Example of a Freeshop Concept
by Andrzej Poszewiecki and Joanna Czerepko
Sustainability 2022, 14(22), 15078; https://doi.org/10.3390/su142215078 - 14 Nov 2022
Cited by 1 | Viewed by 1737
Abstract
Current socioeconomic and environmental problems require radical solutions, including applying the circular economy and a zero-waste concept to customer behavior. One such solution is the concept of freeshops. A freeshop is a place where one can leave things one does not need and [...] Read more.
Current socioeconomic and environmental problems require radical solutions, including applying the circular economy and a zero-waste concept to customer behavior. One such solution is the concept of freeshops. A freeshop is a place where one can leave things one does not need and take useful items. The main purpose of this concept is to reuse things and thus prevent overproduction. The article is based on a survey carried out among students of the University of Gdańsk (n = 381). An affinity analysis was used to evaluate the data. The main aim of the paper is to discover a major set of factors that influence consumers choosing freeshops’ offer. In general, there were two groups of factors: economic (i.e., saving money) and connected with environmental protection (e.g., recycling). The primary result is that economic factors are more important for surveyed students than those related to environmental protection. Full article
(This article belongs to the Section Economic and Business Aspects of Sustainability)
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19 pages, 1579 KiB  
Article
Eastern Poland Consumer Awareness of Innovative Active and Intelligent Packaging in the Food Industry: Exploratory Studies
by Monika Stoma and Agnieszka Dudziak
Sustainability 2022, 14(20), 13691; https://doi.org/10.3390/su142013691 - 21 Oct 2022
Cited by 12 | Viewed by 3541
Abstract
For some time, traditional food packaging has not been able to meet the current market demand in some segments. This is mainly due to the advancing market globalization, increasing product complexity, the changing and increasingly high expectations and needs of customers, increasing requirements [...] Read more.
For some time, traditional food packaging has not been able to meet the current market demand in some segments. This is mainly due to the advancing market globalization, increasing product complexity, the changing and increasingly high expectations and needs of customers, increasing requirements for monitoring packaging materials and, consequently, food safety, as well as the revival of national and international initiatives to support the circular economy and minimize the carbon footprint of manufactured products. Therefore, smart packaging with increased functionality has become indispensable. On the one hand, this solution allows for the offering or adaptation of products that meet the stricter national and international regulatory requirements (in particular for food safety) and allows a tracking from the cradle to the grave; on the other hand, it can serve as a way to expand markets in the context of globalization. Moreover attention should be paid to the development of knowledge on environmental protection and the increasing environmental awareness of consumers. In connection with the above, in recent years there has been an increase in interest in the design and production of new packaging for food products based on the latest technical and technological solutions. It is primarily intelligent and active packaging that should be mentioned here. Hence, the aim of the article, as well as that of our own conducted research, was to analyze consumer attitudes and behaviors in the field of modern food packaging, as well as to check the level of awareness of consumers from Eastern Poland in relation to innovative active and intelligent packaging in the food industry. In addition, the intermediate aim was also to identify other factors influencing the attractiveness of food packaging and, consequently, increasing the willingness to buy them. To achieve these aims, a literature study was carried out, as well as empirical research using the diagnostic survey method, conducted among the inhabitants of South-Eastern Poland. Based on our own research, it can be concluded that the level of knowledge of the essence of intelligent and active packaging in Eastern Poland is still at a low level. Among the other factors increasing the attractiveness of packaging for food products, contemporary consumers from the analyzed region of Poland indicated primarily their environmental friendliness, the possibility of recycling, as well as the readability and transparency of the information contained on the packaging. Full article
(This article belongs to the Section Sustainable Materials)
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16 pages, 1544 KiB  
Article
Toward Circular Supply Chains for Flat Glass: Challenges of Transforming to More Energy-Efficient Solutions
by Helena Forslund and Maria Björklund
Energies 2022, 15(19), 7282; https://doi.org/10.3390/en15197282 - 4 Oct 2022
Cited by 8 | Viewed by 2993
Abstract
Even if flat glass is 100% recyclable, only 1% is currently handled in circular or closed-loop supply chains (CLSCs) in Sweden. This has an unnecessary environmental impact, indicating not only the potential for more energy-efficient solutions but also the challenges that need to [...] Read more.
Even if flat glass is 100% recyclable, only 1% is currently handled in circular or closed-loop supply chains (CLSCs) in Sweden. This has an unnecessary environmental impact, indicating not only the potential for more energy-efficient solutions but also the challenges that need to be understood. The purpose of this article is to increase the knowledge of challenges in applying different types of more or less energy-efficient CLSCs for flat glass. Through a literature review, an overview of CLSC types, together with challenges in different areas, is provided. The CLSC types and challenges are corroborated in a flat glass context, including focus groups and expert interviews. Four CLSC types—two CLSCs based on remanufacturing, one on reconditioning, and one on reuse—are identified. A framework provides implications for both literature and practice. It contains 19 challenges—such as lack of large-scale actors, lack of material knowledge, lack of knowledge of customers’ behavior, lack of promotion of flat glass CLSCs at many levels in society—in terms of both legislation and cost—and lack of business models—structured in four areas—material characteristics and quality, inefficient logistics systems, demand and supply, and means of control and costs. The least-applied CLSC includes almost every challenge and has a large upscaling potential, indicating the necessity of mitigating challenges. The framework identifies challenges not included in earlier flat glass literature. CLSC types are related to different challenge set-ups and different energy efficiency potentials, leading to expanded CLSC knowledge. One additional implication is that practitioners can identify potential CLSC types and understand their challenges from the perspective of several stakeholders. The participatory research methodology fills a methodological research gap within CLSC literature and provides important insights. Full article
(This article belongs to the Section B: Energy and Environment)
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20 pages, 470 KiB  
Article
Food-Related Consumer Behavior Endorsing European Food Chain Sustainability—A Marketing Study on the Romanian Consumer
by Andreea Strambu-Dima
Sustainability 2022, 14(15), 9045; https://doi.org/10.3390/su14159045 - 23 Jul 2022
Cited by 4 | Viewed by 3402
Abstract
The efforts of regulators and food industry actors to achieve ambitious European sustainability objectives should not only be based on, but also supported by, consumers’ behavior, since customers’ demand has the ability to determine changes in the whole food system. This paper’s systemic [...] Read more.
The efforts of regulators and food industry actors to achieve ambitious European sustainability objectives should not only be based on, but also supported by, consumers’ behavior, since customers’ demand has the ability to determine changes in the whole food system. This paper’s systemic approach to customers’ sustainable food-related habits and opinions during purchase, consumption and waste management offers a comprehensive view of their decision criteria, their motivations and their preferred incentives. Researching the Romanian consumer’s sustainable habits yields some results which confirm findings of previous studies, including customers’ distrust of sustainable labels and ecological products being considered too expensive. Meanwhile, other results offer novel insights on the matter, such as distrust in the European Union food policy and the high importance of proximity both for retailers and for recycling facilities. Four customer profiles with different interests and behaviors were identified: the Principled, adopting many sustainable behaviors out of principle, despite their low level of food expenditures; the Wannabes, adopting some fashionable sustainable habits; and the Privileged and the Sceptics, adopting very few sustainable habits, the first to ensure their social and economic status and the second to save some money. Full article
(This article belongs to the Special Issue Consumer Analysis and Sustainable Food Consumption)
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19 pages, 1583 KiB  
Article
Internal Motivations, External Contexts, and Sustainable Consumption Behavior in China—Based on the TPB-ABC Integration Model
by Bowen Qin and Ge Song
Sustainability 2022, 14(13), 7677; https://doi.org/10.3390/su14137677 - 23 Jun 2022
Cited by 36 | Viewed by 7973
Abstract
Population expansion and the depletion of the planet’s natural resources make it necessary to look at human consumption behavior in sustainable development. The purpose of this study is to investigate the influence factors, the influence paths, and the decision-making mechanisms of Chinese consumers’ [...] Read more.
Population expansion and the depletion of the planet’s natural resources make it necessary to look at human consumption behavior in sustainable development. The purpose of this study is to investigate the influence factors, the influence paths, and the decision-making mechanisms of Chinese consumers’ sustainable consumption behavior through the TPB–ABC integration theory. Based on survey data from 534 consumers in Dongying, China, this study used the partial least squares structural equation model (PLS-SEM) to analyze the main factors that influence the three sections of sustainable consumption behaviors, which are green purchase behavior, green transportation behavior, and recycling and resource conservation behavior. Decision-making mechanisms are discussed concerning impact pathways. The results prove that three internal motivations and two external contexts are intimately linked to customers’ behavioral decisions, with external contexts indirectly shaping individual attitudes. Furthermore, the factors that influence various types of sustainable consumption practices differ. Specifically, green purchase behavior and green transportation behavior are mainly influenced by attitude variables, and negative contexts mainly influence recycling and resource conservation behavior. Finally, the study suggested corresponding policy recommendations to promote sustainable consumption. Full article
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