Search Results (271)

The sustainability of higher education systems increasingly depends on the integrity, transparency, and long-term verifiability of academic credentials. Widespread diploma fraud, unauthorized modification of academic records, and fragmented verification mechanisms undermine institutional trust, graduate mobility, and public confidence in educational outcomes. These challenges directly affect the social and governance dimensions of sustainable development, particularly in the context of universities’ digital transformation. This study proposes a blockchain-based approach to support the sustainable governance of academic documents by strengthening transparency, accountability, and auditability. The proposed system employs cryptographic hash anchoring and smart contract–based enforcement to verify academic credentials such as diplomas, transcripts, and certificates. Document contents are processed and stored off-chain, while cryptographic representations and essential metadata are immutably recorded on an EVM-compatible blockchain, ensuring data privacy and resistance to tampering. Any modification to a document results in a mismatch between the original and recomputed hashes, making fraudulent alterations immediately detectable. A web-based application and a role-restricted smart contract were implemented to support document issuance, verification, and immutable audit logging. System evaluation based on blockchain transaction evidence confirms reliable document registration, deterministic verification outcomes, and verifiable linkage between institutional actions and on-chain records. The results indicate that blockchain-based document verification can contribute to the reduction in corruption risks and improve transparency, strengthening institutional trust and supporting sustainable digital governance in higher education systems. Full article

Universities play a dual role as sites of learning and as institutions that certify student competence through assessment. The rapid diffusion of generative artificial intelligence (GenAI) challenges this certification function by altering the conditions under which assessment evidence is produced. When powerful AI tools are widely available, grades may increasingly reflect a combination of individual understanding and external cognitive support rather than solely independent competence. This study examines how changes in assessment format interact with GenAI availability to reshape observable performance outcomes in higher education. Using exam grade data from a compulsory undergraduate course delivered over five years (2021–2025; N = 1066), the study exploits a naturally occurring change in assessment conditions as a natural experiment. From 2021 to 2024, the course was assessed using an AI-permissive take-home examination, while in 2025 the assessment shifted to an AI-restricted, supervised in-person examination. Course content, intended learning outcomes, grading criteria, examiner continuity, and the structural design of the examination tasks remained stable across cohorts. The results reveal a pronounced shift in grade distributions coinciding with the format change. Failure rates increased sharply in 2025, mid-range grades declined, and the proportion of top grades remained largely unchanged. Statistical analysis indicates a significant association between examination period and grade outcomes (χ²(5, N = 1066) = 60.62, p < 0.001), with a small-to-moderate effect size (Cramér’s V = 0.24), driven primarily by the increase in failing grades. These findings suggest that AI-permissive and AI-restricted assessment formats may not be measurement-equivalent under conditions of widespread GenAI use. The results raise concerns about construct validity and the credibility of grades as signals of independent competence, while also highlighting tensions between certification credibility and assessment authenticity. Full article

Background: Adrenocortical carcinoma (ACC) is a rare and aggressive endocrine malignancy, for which population-level evidence regarding prognostic factors and survival conditions is limited. The available data mostly represent single-institution series, limiting their applicability. This study, therefore, assesses clinicopathological features and determines independent predictive variables of overall survival (OS) in patients with ACC using a population-based cohort. Methods: This retrospective observational cohort study used data from the Surveillance, Epidemiology, and End Results (SEER) Program between 2000 and 2022, initially identifying 1176 patients with ACC. Adult patients (≥18 years) with histologically confirmed ACC were identified using ICD-O-3 histology code 8370/3 and primary site code C74.0. Cases with zero-month survival, missing survival data, or identified only through autopsy or death certificate were excluded. To ensure dataset harmonization, patients with missing or indeterminate tumor grade and unknown stage were also excluded. After applying these inclusion and exclusion criteria, the final analytic cohort consisted of 267 patients. Data on demographic factors, stage of the disease, and treatment (surgery, chemotherapy, radiotherapy) were extracted. OS was evaluated using the Kaplan–Meier method, and independent prognostic factors were identified using Cox proportional hazards regression analysis. Results: The median OS was 54 months [95% confidence intervals (CI): 36–85]. The estimated 1-, 3-, and 5-year OS rates were 77%, 57%, and 48%, respectively. Survival differed significantly according to tumor grade, stage, and surgical treatment. In multivariable Cox regression analysis, increasing age [Hazard ratio (HR): 1.03, 95% CI: 1.02–1.04; p < 0.001], high tumor grade (HR: 2.21, 95% CI: 1.43–3.41; p < 0.001), and distant-stage disease (HR: 3.24, 95% CI: 1.95–5.38; p < 0.001) were independently associated with an increased risk of mortality, whereas surgical treatment was associated with improved survival (HR 0.53, 95% CI 0.30–0.93; p = 0.028). Chemotherapy and radiotherapy were not significantly associated with mortality. Conclusions: In this SEER-based cohort of patients with adrenocortical carcinoma, older age, high tumor grade, and distant-stage disease were independently associated with worse OS, whereas documented receipt of surgery was associated with longer OS. Treatment-related associations should be interpreted cautiously in view of the inherent limitations of registry-based data. Further prospective multicenter studies are needed to confirm these findings. Full article

Given the aggregated potential impact of Small and Medium-sized Enterprises (SMEs), this study analyzes the disclosure of the Sustainable Development Goals (SDGs) among companies located in the municipality in Portugal, awarded the ‘SMEs Excellence’ certification by the Institute for the Support of Small and Medium Enterprises (IAPMEI) in 2022. Given the limited empirical evidence on SDG disclosure among high-performing, non-listed SMEs in Portugal, the study adopts a hybrid exploratory–descriptive research design to provide new empirical insights on the sustainability disclosure practices of firms holding this certification. Data were collected through a structured questionnaire administered to 51 ‘SMEs Excellence’ located in the municipality of Águeda, district of Aveiro, yielding 24 responses. The findings are interpreted through the lenses of stakeholder, legitimacy, and signaling theories. Results indicate that only 42% of the companies recognize the importance of the SDGs, prioritizing decent work, innovation, and responsible consumption (SDGs 8, 9, and 12). However, only 12.5% formally disclose their SDG engagement. The main barriers to disclosure include limited institutional support, time constraints, and insufficient knowledge. Among firms that do disclose SDG-related initiatives, the primary motivations are image enhancement and stakeholder recognition. Respondents also highlight the importance of financial incentives, examples of best practices from other companies, and targeted training as key factors in supporting and expanding SDG disclosure among SMEs. This study contributes to the literature by providing one of the first empirical analyses of SDG disclosure among financially robust SMEs in Portugal, highlighting how stakeholder pressure, legitimacy concerns, and signaling incentives shape disclosure behavior. Full article

This study employs a constructivist grounded theory approach based on 69 in-depth interviews conducted between March 2022 and December 2023 to examine socio-cognitive dynamics in Korea’s bottled water and household water purifier markets. The study addresses a gap in prior research by explaining how product meanings and stakeholder strategies co-evolve across adjacent “safe-water” markets under regulatory and sustainability pressures. Drawing on qualitative data from 69 stakeholders, including producers (n = 30), consumers (n = 19), and institutional experts (n = 20), we analyze how distrust, risk perception, and health consciousness reshape conceptual systems and market strategies. These shifts drive innovation across markets, including new technologies, service models, and branding strategies. The findings show that socio-cognitive stabilization arises through iterative interactions among institutional shocks, producer reinterpretation, and consumer adaptation. In the bottled water market, the meanings of “natural purity” became materially embedded in packaging, mineral labeling, and brand narratives. In the purifier sector, “technological reliability” was institutionalized through service-based maintenance systems and visible quality control technologies. These processes developed within asymmetric communicative environments shaped by corporate branding capacity and media amplification. This study refines socio-cognitive market theory by specifying boundary conditions under institutional distrust in developed economies. Although Republic of Korea possesses advanced drinking water infrastructure comparable to that of other developed economies, public confidence in tap water has periodically weakened following highly salient contamination incidents and regulatory transitions. This paradox provides a theoretically informative context for examining how product meanings and stakeholder behaviors mutually adapt over time. Although environmental impact metrics were not directly measured, the findings suggest that sustainability policies must address socio-cognitive trust dynamics alongside regulatory instruments such as plastic levies, certification schemes, and transparent risk communication. Full article

The cloud spatial uniformity in the test section is crucial for icing wind tunnels in aircraft icing research and airworthiness certification. To achieve uniform supercooled large droplet (SLD) icing conditions, both the spatial variation in droplet size distribution and the concentration should be considered. In this study, the spatial distribution of droplets under three SLD conditions is explored in the Aviation Industry Corporation of China Aerodynamics Research Institute (AVICARI)’s FL-61 icing wind tunnel. Measurements are conducted at 12 test points in vertical and horizontal directions using the holographic airborne cloud particle imager (HACPI) in conjunction with a two-axis traversing system. The droplet images obtained at specific test points below the test section centerline show deformation phenomena for droplets larger than 400 $\mathsf{\mu }$m. Additionally, the aspect ratio of deformed droplets increases with droplet size. The spatial evolution of the median volume diameter (MVD) and liquid water content (LWC) is examined. For two spray arrangements where the activated nozzles are positioned close, the test point where the LWC peak in the vertical direction occurs is higher than that of the MVD peak. Further analysis focuses on the size distribution of droplets in the vertical direction. The results show that the settling effect of the droplets larger than 50 $\mathsf{\mu }$m is evident under a flow velocity of 78 m/s. Meanwhile, the position where large droplets tend to appear lowers as the droplet size increases. Finally, the spatial uniformity of droplet size distributions at the same radial distance is discussed. Full article

Many universities acknowledge a responsibility to address climate change and are actively working to meet this goal in academic programs and undergraduate curricula. This paper provides insights from interviews with university leaders from 20 American and Canadian institutions pursuing climate action via education. Interviewees described a range of initiatives, including new General Education requirements (GEs), cross-disciplinary courses, domain-specific classes, and certificate programs, as well as the establishment of dedicated climate schools. Pathways for curricular change include academic senate climate committees, top-down support from university leadership, bottom-up advocacy and activism from faculty and students, and opportunities to leverage evolving systems. To increase climate-teaching capacity, interviewees reported instituting team teaching, supporting faculty learning opportunities, hiring faculty with climate expertise, and partnering with organizations outside academia. Qualitative data collected during these interviews were thematically coded, revealing significant takeaways including the need to appropriately reward faculty for climate-teaching efforts and to recognize the complementary virtues of high-level courses like GEs with broad reach versus deeper dives for climate-related majors with targeted reach. This paper synthesizes advice from educators who succeeded in increasing climate education at their institutions and concludes with suggestions on how to integrate climate more fully into academia’s educational mission. Full article

Background: Enhanced Recovery After Surgery (ERAS) protocols improve postoperative outcomes and promote multidisciplinary, evidence-based perioperative care. However, ERAS adoption in gynecological departments remains inconsistent, and the underlying implementation challenges are poorly understood. Objective: To identify key barriers, facilitators, and preferred implementation strategies influencing ERAS adoption in German gynecological departments, and to assess whether clinicians’ ERAS knowledge or institutional certification shapes these perceptions. Methods: We conducted a nationwide, web-based cross-sectional survey of gynecologic clinicians in Germany. The questionnaire assessed ERAS-related knowledge, current implementation status, and perceived barriers, facilitators, and strategies. Statistical analyses included equality of proportions tests, logistic regression, and internal consistency measurement. Results: A total of 116 clinicians participated; 66 provided data on barriers and 64 on facilitators and strategies. Only 37.9% reported routine ERAS use. The most frequently identified barriers were limited ERAS knowledge (40.9% “very important”) and insufficient personnel resources (40.9%). The strongest facilitators were improved patient well-being, reduced morbidity, and higher patient satisfaction (each >60% “very important”). High-impact implementation strategies included informational materials, workshops, and online training. Well-informed clinicians had significantly higher odds of reporting a positive professional impact of ERAS (OR = 9.0, p = 0.001). Conclusions: ERAS implementation in gynecological settings remains restricted by staff knowledge gaps and personnel limitations. Patient-centered benefits and interactive educational strategies serve as powerful facilitators. Enhanced staff education and multidisciplinary support structures may substantially improve ERAS uptake and contribute to greater professional satisfaction among clinicians. Full article

Food safety, quality management, and ecologically conscious practices must be successfully integrated throughout supply chains to guarantee the sustainability of organic food systems. There is little empirical data on how these factors interact in various institutional and regulatory contexts, despite the growing significance of the organic sector for sustainable food transitions. This study examines sustainability-focused compliance procedures in Italian and Indian organic food processing businesses. A systematic questionnaire was used to gather primary data from 300 certified organic businesses (150 per nation), and non-parametric statistical methods were used to examine firm-size and cross-country variations. The results show notable differences between the two contexts in terms of food safety rules and sustainability performance. Because of a more developed regulatory framework and more robust enforcement mechanisms, Italian businesses demonstrate greater and more consistent sustainability performance. On the other hand, Indian businesses, especially small ones, show more unpredictability, which suggests that they have limited ability to implement sustainable practices and environmental management. The performance of quality management systems in both nations is similar, indicating the contribution of international certification standards to the harmonisation of quality governance. In contrast to Italy, where they operate as separate operational domains, correlation research shows that sustainability, food safety rules, and quality management are more closely interwoven in Indian businesses. The study emphasises the importance of the company’s size and the regulatory environment in determining how sustainability is integrated into organic food chains. The findings present beneficial guidance for small and medium-sized businesses by highlighting important areas where targeted capacity building and regulatory assistance can improve sustainability and compliance performance and it is one of the first enterprise-level empirical evaluations of food safety rules, quality management, and sustainability in organic food processing across different regulatory contexts. The findings provide actionable insights for small organic processors by highlighting priority areas for targeted regulatory support, technical help, and capacity building to improve the incorporation of sustainability practices. Full article

Despite the rapid expansion of green roof installations in the United States, little empirical evidence exists regarding their long-term persistence or post-installation management. This study evaluates post-installation outcomes for 46 green roofs across ten southeastern U.S. states using a structured survey and publicly available records. Roofs were classified by status (managed, abandoned, removed, mid-refurbishment, or unknown) and management intensity. Associations with ownership change, building type, and Leadership in Energy and Environmental Design (LEED) certification status were examined using Fisher’s Exact Tests and logistic regression. Only 47.8% of roofs were actively managed at the time of data collection, while 45.7% had been abandoned or removed. Ownership change was significantly associated with roof failure (Fisher’s Exact Test, p = 0.001), with no managed roofs experiencing post-installation ownership turnover. In contrast, LEED certification status was not associated with either roof persistence or management intensity. These findings indicate that institutional continuity and sustained management play a critical role in determining long-term green roof outcomes and suggest that installation-based incentives may overestimate the number of functioning green roofs. By shifting evaluation beyond ecological performance metrics alone, this study highlights governance and institutional stability as central factors shaping roof longevity. Full article

As an important achievement in agricultural sci-tech innovation, gene-edited animals are not only a basic element for rural revitalization but also the core of promoting the biological breeding industry. Exploring their supervision models and institutional construction is practically significant and supports new productive forces in agriculture. Currently, various research and development achievements have emerged, but China lacks clear legal norms for their transformation and food industry supervision, failing to meet modern breeding needs. Internationally, three main supervision models (strict, open, eclectic) are determined by each country’s technological level, legal soundness and public acceptance. To build China’s sui generis supervision system for gene-edited animals that is independent of both GM animals and gene-edited plants, top-level design should issue categorized supervision policies to clarify research and development and industrialization norms, including relevant principles and procedures; establish a pre-positive ethical review mechanism with strict animal welfare checks; set animal welfare damage as a certification revocation condition; build a traceability platform for gene-edited animals and their products; implement positive food labeling; strengthen public participation to balance technological innovation and risk prevention; safeguard biosafety and public interests; and provide legal support for industrialization of gene-edited animals. Full article

This study provides a foundational review of work-based learning (WBL) opportunities offered by colleges and universities to students in higher education cybersecurity (CS) programs in the United States, with the goal of mapping the WBL practices across institutional and program contexts. Integrating WBL into CS curricula is widely recognized as an effective way to strengthen essential skills and address employer concerns about the gap between academic preparation and labor market needs. We first outline the characteristics of institutions and CS programs offering WBL. Next, we examine the range of WBL experiences designed to enhance students’ professional competencies. Finally, we explore characteristics of the partnerships between higher education and industry that support these initiatives. Using a status survey approach, we collected responses from 92 higher education institutions offering CS programs. We analyzed the data using descriptive statistics and linear regression models to explore patterns of association between the type and number of WBL opportunities available to students, institutional characteristics related to the total number of WBL offerings, and program features associated with WBL intensity across Awareness, Exploration, and Direct Experience levels of intensity. Findings reveal a diverse array of WBL opportunities, with notable growth across credential levels. Notably, certificates and associate degrees place particular emphasis on WBL. Both institutional characteristics and program features explain, albeit partially, the number of WBL opportunities implemented and the intensity levels of those WBL. However, results also indicate an ambivalent connection to employers, despite their critical role in providing hands-on, problem-solving experiences. Based on these insights, we recommend expanding WBL beyond internships, strengthening institutional–industry partnerships, and fostering employer engagement through structured WBL collaboration models. These strategies aim to improve workforce readiness and create a more inclusive, scalable system of experiential learning in cybersecurity education. Full article

Why do some organic farming systems persist while others collapse despite similar histories of collective action, policy support, and social legitimacy? This study examines how institutional design shapes the resilience of organic rice systems under conditions of market volatility and buyer power. Drawing on a qualitative comparative analysis of two subnational cases in rural Indonesia—Magelang and Tasikmalaya—Magelang experienced only 6–8% reversion to conventional rice (≈4.2 ha lost), while Tasikmalaya saw 32–38% reversion (≈13–17 ha). The study applies and extends the Institutional Analysis and Development (IAD) framework to foreground market risk governance as a central explanatory variable. The findings show that sustainability depends less on collective organisation than on whether producer institutions function as risk-bearing actors. In Magelang, a farmer cooperative governed market relations through internal monopsony and buyer diversification, shifting market risk from individual households to the organisational level. In Tasikmalaya, reliance on an external monopsony concentrated risk outside producer control; when buyer demand weakened, risk was rapidly transferred to farmers, triggering institutional fragmentation and exit from organic production. By distinguishing internal from external monopsony, the study advances an institutional explanation of resilience in market-mediated sustainability transitions and suggests that policies should prioritise institutional capacity for market risk governance over certification or production technologies. Full article

The mulberry-dyke fishpond system represents China’s traditional circular agricultural heritage yet faces challenges of “circularity without economic viability” and preservation under modernization pressures. Taking the Globally Important Agricultural Heritage System site of Digang in Huzhou as a case study, this paper reveals fundamental shifts in its value structure through local research and interviews. Key findings include the following: (1) Significant decline in traditional economic value: Annual income from mulberry-dyke fishpond systems is extremely low, far below the per-mu yield of modern intensive aquaculture in the area. This has led to producer withdrawal and the disintegration of the base-pond structure. (2) Ecological and social values increasingly emerge and partially marketize: The system’s ecological service value is substantial and policy-recognized, with markets responding through a 100% premium on eco-fish prices. Concurrently, heritage-based cultural tourism integration generates significant new value—for instance, Digang village’s 2023 tourism revenue reached 140 million. However, these prominent non-market values still lack stable, adequate realization pathways. The core argument of this study is that the decline in mulberry-dyke fishpond systems stems from an imbalance in value structures rather than the disappearance of value. Their revitalization hinges on institutional innovation that transforms ecological and social value into sustainable market incentives. To this end, this paper proposes a systematic revitalization framework encompassing a concession system (incorporating community interest alignment and risk management clauses), regional brand certification, carbon sink value realization, and mechanisms for deep community participation. This approach aims to provide a Chinese solution for the sustainable development of similar agricultural cultural heritage sites, offering both theoretical insights and practical value. Full article

Environmental sustainability (ES) has increasingly become a core focus of the International Olympic Committee (IOC) due to institutional pressures as well as the threat of climate change. Since the IOC continues to urge candidature cities to underscore ES in the bidding and planning process by asking more elaborate questions in the Candidature Questionnaire, it remains unclear how winning cities have adapted their bids to demonstrate their accountability to win the rights to host an ES Games. One approach to better understanding the discourse candidature cities use in their ES plans is to study how bid committees employ Aristotle’s rhetorical appeals—ethos (credibility), pathos (emotion), and logos (logic). To do so, this qualitative case study analyzed winning candidature files of the Summer and Winter Olympic Games (N = 16) from 1992 to present day. The results revealed one distinct rhetorical appeal, ethos, emerged more than the others that underscored the value of highlighting credibility in ES contexts. One of the most interesting findings of the study is that ethos-based arguments depend greatly on existing governance infrastructures, policies, certifications, and previous experience, external to the IOC governance process. This is a significant finding because it shows the paradox of embedded agency, while also highlighting how establishing credibility is more important to cities than merely promising results. Full article