Cleaner Environmental Systems最新文献_第3页

Advancing in grey water footprint evaluation of mixed multiple outlets: The efficacy of a weighted approach vs. conventional method 混合多出口灰水足迹评价的进展：加权方法与传统方法的有效性

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Cleaner Environmental Systems

Pub Date : 2025-12-01 DOI: 10.1016/j.cesys.2025.100382

Keivan Arastou, Ali Dehnavi, Shervin Jamshidi

The stress exerted on aquatic environments by wastewater discharge outlets, including those from industrial parks, can be quantified through a refined assessment of the grey water footprint (GWF). The conventional total GWF (TGWF), widely used in practice, sums the GWFs of mixed outlets without identifying a critical pollutant (CP), which is essential for effective pollution control and management strategies. A novel methodology was developed to calculate the weighted total grey water footprint (W-TGWF), integrating all discharge outlets by considering dilution effects and identifying the final CP. This study, conducted over four months from October 2022 to January 2023, evaluated TGWF and W-TGWF simultaneously for mixed outlets of treatment processes, Activated Sludge (AS) and Membrane Bioreactor (MBR), operated in parallel to treat wastewater from an industrial park in Isfahan province, central Iran. The mixed influent wastewater at the equalization tank, representing the total inlet GWF, ranged from 1.55 to 2.06 million cubic meters per month (MCM/month). For mixed outlets, W-TGWF consistently yielded lower values than TGWF, showing reductions of 22 %, 13 %, 26 %, and 5 % from October to January. The periodic average W-TGWF was 15,304 m³/month based on NH₄ as the CP. In contrast, TGWF reached 18,909 m³/month, 24 % higher, due to the simultaneous influence of NH₄ and F parameters without definitive CP identification. These findings show that TGWF tends to overestimate environmental stress and obscure pollutant prioritization. The weighted approach offers a more accurate and ecologically meaningful framework for assessing mixed GWFs, with direct implications for water management and regulation.

污水排放口（包括工业园区的污水排放口）对水生环境的压力可以通过精细化的灰水足迹（GWF）评估来量化。实践中广泛使用的传统总GWF （TGWF）是对混合出口GWF的总和，而没有确定关键污染物（CP），这对于有效的污染控制和管理策略至关重要。该研究开发了一种新的方法来计算加权总灰水足迹（W-TGWF），通过考虑稀释效应和确定最终CP来整合所有排放口。该研究从2022年10月到2023年1月进行了四个多月，同时评估了混合处理工艺的TGWF和W-TGWF，活性污泥（AS）和膜生物反应器（MBR）并行运行，以处理伊斯法罕省一个工业园区的废水。伊朗中部。均衡池的混合进水废水，代表每月的总进口GWF，从155万立方米到206万立方米不等。对于混合出口，W-TGWF的值始终低于TGWF，从10月到1月分别下降了22%，13%，26%和5%。以NH4为CP的周期平均W-TGWF为15,304 m3/月，而由于NH4和F参数同时影响而没有确定CP，因此TGWF达到18,909 m3/月，高出24%。这些研究结果表明，三峡水库往往高估了环境压力，模糊了污染物的优先级。加权方法为评估混合gwf提供了一个更准确、更有生态意义的框架，对水资源管理和监管具有直接影响。

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引用次数: 0

Spatiotemporal heterogeneity analysis of multi-type clean energy consumption and carbon dioxide emissions in Chinese cities: Integrating multiscale geographically and temporally weighted regression with machine learning 中国城市多类型清洁能源消费与二氧化碳排放的时空异质性分析——基于多尺度时空加权回归与机器学习的融合

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Cleaner Environmental Systems

Pub Date : 2025-12-01 DOI: 10.1016/j.cesys.2025.100378

Jiaqi Li

As a pervasive global challenge, carbon dioxide emissions are intrinsically related to energy consumption. However, the importance and spatiotemporal heterogeneity of the impact of various types of energy consumption, including clean energy and fossil fuels, on carbon emissions remain insufficiently investigated. Drawing on remote sensing data from 329 Chinese cities spanning 2005 to 2017, this study integrates SHAP-interpreted eXtreme Gradient Boosting with the Multiscale Geographically and Temporally Weighted Regression (MGTWR) model to elucidate the key contributors to carbon dioxide discharge and further investigate the spatiotemporal non-stationarity of the effect of energy consumption on carbon emissions. The results identify GDP, coal, oil, and electricity as key drivers of

{CO}_{2}

emissions, with a 1% GDP increase in developed regions raising emissions by up to 65%. Temporally, coal, natural gas, wind, and solar exerted short-term effects (under three years), nuclear power showed medium-term influence, while hydropower and oil exhibited persistence over a decade. Spatially, clean energy exhibited an east–west divergence, with the solar power’s emission-reduction coefficient in eastern regions being twice that in the west. These findings indicate that optimizing energy efficiency and fulfilling carbon reduction targets necessitate strategically tailored policies, which must be precisely aligned with the unique characteristics of specific regions and energy sources.

作为一项普遍存在的全球性挑战，二氧化碳排放与能源消耗有着内在联系。然而，包括清洁能源和化石燃料在内的各类能源消费对碳排放影响的重要性和时空异质性仍未得到充分研究。利用2005 - 2017年中国329个城市的遥感数据，将shap解释的极端梯度增强与多尺度地理和时间加权回归（MGTWR）模型相结合，阐明了二氧化碳排放的主要影响因素，并进一步探讨了能源消费对碳排放影响的时空非平稳性。研究结果表明，GDP、煤炭、石油和电力是二氧化碳排放的主要驱动因素，发达地区GDP增长1%，二氧化碳排放量将增加65%。从时间上看，煤炭、天然气、风能和太阳能的影响是短期的（不到三年），核能的影响是中期的，而水电和石油的影响则持续了十年以上。空间上，清洁能源呈现东西发散，东部地区太阳能减排系数是西部地区的2倍。这些发现表明，优化能源效率和实现碳减排目标需要有战略针对性的政策，这些政策必须与特定地区和能源的独特特征精确结合起来。

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引用次数: 0

Comparative LCA of feather treatment processes (Steam Explosion, Microbial Fermentation, Mechanical Grinding) for sustainable bioplastic feedstock production 可持续生物塑料原料生产的羽毛处理工艺（蒸汽爆炸、微生物发酵、机械研磨）的LCA比较

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Cleaner Environmental Systems

Pub Date : 2025-12-01 DOI: 10.1016/j.cesys.2025.100372

Sahand Hosouli , Damian Gajdarenko , Klas Ingstorp , Jonna Almqvist , Pietro Bartocci , João Gomes , Philip B. Farrelly , Karen McGillicuddy , Daniel Traas

Poultry feathers represent a substantial keratin-rich waste stream with potential for valorisation into bio-based materials. This study evaluates the environmental performance of three novel feather treatment processes ((Steam Explosion (SE), Microbial Fermentation (MF) and Mechanical Grinding (MG)) intended for producing sustainable bioplastic feedstock, using Life Cycle Assessment. A gate-to-gate analysis compared the processes per 1000 kg feather input across multiple impact categories, including GWP, Acidification Potential (AP), Eutrophication Potential (EP), Respiratory Inorganics, and Water Scarcity. The scope was expanded to cradle-to-gate to include upstream farming impacts and compare results with conventional plastics. Gate-to-gate results showed MG had the lowest impacts for GWP (475 kg CO₂ eq.), AP (0.65 kg SO₂ eq.), EP (0.08 kg Phosphate eq.), and Respiratory Inorganics, driven by lower energy use. However, MG showed the highest Water Scarcity (7787 m3 world eq.) due to feather washing. MF exhibited the highest GWP (2035 kg CO₂ eq.) and Respiratory Inorganics, while SE showed the highest AP (1.25 kg SO₂ eq.). Cradle-to-gate, MG and SE offered significant GWP advantages over conventional plastics like PP, LDPE, and HDPE (up to 59 % and 27 % lower GWP, respectively). Similarly, MG and SE demonstrated lower AP (up to 56 % and 48 % lower, respectively) compared to these plastics. However, feather routes showed higher EP when upstream farming impacts were included. In conclusion, MG is the most favourable process regarding climate impact, though its water use is significant. SE provides a balanced alternative. Valorising feather waste offers environmental benefits over conventional plastics, but optimising energy efficiency and water consumption is crucial for enhancing the sustainability of these technologies.

家禽羽毛代表了大量富含角蛋白的废物流，具有转化为生物基材料的潜力。本研究利用生命周期评估方法，评估了用于生产可持续生物塑料原料的三种新型羽毛处理工艺（蒸汽爆炸（SE）、微生物发酵（MF）和机械研磨（MG））的环境性能。一项门对门的分析比较了每1000公斤羽毛输入的过程，涉及多个影响类别，包括GWP、酸化势（AP）、富营养化势（EP）、呼吸无机物和水资源短缺。范围扩大到从摇篮到大门，包括上游农业影响，并与传统塑料进行比较。从门到门的结果显示，MG对GWP （475 kg CO2当量）、AP （0.65 kg SO2当量）、EP （0.08 kg磷酸盐当量）和呼吸无机物的影响最低，这是由于能量消耗较低所致。然而，由于羽毛洗涤，MG表现出最高的缺水程度（7787 m3世界当量）。MF表现出最高的GWP （2035 kg CO2当量）和呼吸无机物，而SE表现出最高的AP （1.25 kg SO2当量）。与PP、LDPE和HDPE等传统塑料相比，从摇篮到大门，MG和SE具有显著的GWP优势（GWP分别降低59%和27%）。同样，与这些塑料相比，MG和SE表现出更低的AP（分别降低56%和48%）。然而，当考虑上游养殖影响时，羽毛路线显示出更高的EP。综上所述，MG工艺对气候的影响是最有利的，尽管它的用水量很大。SE提供了一个平衡的选择。与传统塑料相比，羽毛废物的价值增值具有环境效益，但优化能源效率和水消耗对于提高这些技术的可持续性至关重要。

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引用次数: 0

Genuine sustainability VS. Greenwashing: Consumer responses to environmental practices and biodegradable material in Colombian service firms 真正的可持续性VS.绿色清洗：消费者对哥伦比亚服务公司环境实践和可生物降解材料的反应

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Cleaner Environmental Systems

Pub Date : 2025-12-01 DOI: 10.1016/j.cesys.2025.100375

Edinson Delgado Martínez , Madeline Melchor Cardona , María Fernanda Plazas Ramírez , Verónica Baracaldo Quiceno

This study examines the relationships between environmental and greenwashing practices, perceptions of biodegradable material, and their influence on consumer purchase intention. A structural equation model was developed to assess these relationships, using data from a sample of 250 consumers in Cali, Colombia. Key findings indicate that consumers value authentic sustainability initiatives but express distrust toward superficial or misleading claims (greenwashing). Interestingly, greenwashing exhibited a positive influence on purchase intention, likely due to low consumer awareness in the local context. Additionally, the poor performance and functional limitations of biodegradable material negatively affected purchase intentions. In conclusion, while consumer interest in sustainability is increasing, the functional shortcomings of biodegradable products contribute to dissatisfaction. Companies should focus on improving the quality and functionality of sustainable offerings, enhancing transparency, and exploring durable alternatives to build trust and promote genuine sustainability.

本研究探讨了环境与绿色洗涤行为、可生物降解材料的认知之间的关系，以及它们对消费者购买意愿的影响。利用哥伦比亚卡利250名消费者的样本数据，开发了一个结构方程模型来评估这些关系。主要调查结果表明，消费者重视真正的可持续发展倡议，但对肤浅或误导性的主张（洗绿）表示不信任。有趣的是，“漂绿”对购买意愿表现出积极的影响，这可能是由于当地消费者的认知度较低。此外，可生物降解材料的不良性能和功能限制对购买意愿产生了负面影响。总之，虽然消费者对可持续性的兴趣正在增加，但可生物降解产品的功能缺陷导致了人们的不满。企业应专注于提高可持续产品的质量和功能，提高透明度，探索持久的替代方案，以建立信任，促进真正的可持续性。

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引用次数: 0

The role of Digital Twins in electronic devices lifecycle: unlocking potential for Circular Economy practices 数字孪生在电子设备生命周期中的作用：释放循环经济实践的潜力

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Cleaner Environmental Systems

Pub Date : 2025-12-01 DOI: 10.1016/j.cesys.2025.100374

Laila El Warraqi, Elisa Negri, Paolo Rosa, Sergio Terzi

Recently, both academic and scientific debates have been strongly focused on the issue of electronic waste, given the significant environmental and economic challenges associated with it, encouraging therefore circular economy (CE) practices at their end-of-life management. Smart waste management has emerged thanks to the rapid development of digital technologies. Among these, thanks to their capabilities, Digital Twins (DTs) have recently emerged as promising for advancing CE initiatives; however, their functionalities in the electronics sector in supporting CE practices have not been analysed to a great extent. This article aims to provide a comprehensive view on current functionalities of DTs across electronic devices lifecycle, assessing how and for which purpose they are applied, highlighting challenges to CE. The article presents a systematic literature review which focuses on DT functionalities such as level of application (i.e., component, product, process levels), lifecycle phases supported, and the types of data collected in current DT applications. The main findings reveal that most of current DT implementations overlook CE aspects, mainly due to the limited data reuse across lifecycles. Building on these results, the paper proposes a conceptual scheme of guidelines that systemically incorporates DTs into CE workflows, optimizing their use for enhanced circularity throughout electronic devices lifecycle at different levels of application. The developed analysis aims at presenting how to advance DTs as enablers of circularity and provides practical insights for electronics value chain actors in transitioning toward circular practices, by leveraging the potentials of DTs.

最近，鉴于与之相关的重大环境和经济挑战，学术和科学辩论都强烈关注电子废物问题，因此鼓励循环经济（CE）在其报废管理方面的做法。由于数字技术的快速发展，智能废物管理已经出现。其中，由于它们的能力，数字孪生（DTs）最近成为推动CE计划的有希望的对象；然而，它们在电子部门支持CE实践方面的功能尚未得到很大程度的分析。本文旨在全面介绍电子设备生命周期中dt的当前功能，评估它们的应用方式和用途，并强调CE面临的挑战。这篇文章提供了一个系统的文献综述，主要关注DT功能，如应用级别（即组件、产品、过程级别）、支持的生命周期阶段，以及当前DT应用中收集的数据类型。主要发现表明，大多数当前的DT实现都忽略了CE方面，这主要是由于跨生命周期的数据重用有限。基于这些结果，本文提出了一个指导方针的概念方案，该方案系统地将dt纳入CE工作流程，优化其在不同应用级别的电子设备生命周期中增强循环性的使用。开发的分析旨在展示如何推进dt作为循环的推动者，并通过利用dt的潜力，为电子价值链参与者向循环实践过渡提供实际见解。

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引用次数: 0

Operationalizing sustainability measurement in the agrifood sector: Insights from the foodmeter tool 在农业食品部门实施可持续性测量：来自食品计量工具的见解

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Cleaner Environmental Systems

Pub Date : 2025-12-01 DOI: 10.1016/j.cesys.2025.100370

S. Falasco, A. Saladini, P. Caputo, B. Mura, G. Ferla

The food sector plays a crucial role in environmental, social, and economic sustainability, yet Small and Medium Enterprises (SMEs) often face challenges in adopting existing assessment tools due to their complexity and data requirements. To address this, Foodmeter was developed as a web-based decision support system that allows SMEs to perform accessible, actionable, and multi-dimensional sustainability assessments. The tool integrates heterogeneous variables following multi-criterial decision analysis principles, providing interpretable results to guide improvement actions and support continuous sustainability tracking. It was tested with a panel of Italian strawberry SMEs, leading to the development of Foodmeter 2.0, which includes improved Good Agricultural Practices indicators and report usability. Its effectiveness and user acceptance were evaluated through feedback and statistical analysis. Testing showed that Foodmeter 2.0 assigned lower overall scores (a decrease of 10 percentage points, from 67 % to 57 %) due to stricter scoring criteria, reflecting the completeness of sustainability efforts rather than isolated actions. Feedback based on the Technology Acceptance Model indicated a 13 % increase in Behavioral Intention to use the tool, a positive trend in Perceived Usefulness, and stable Perceived Ease of Use. Overall, Foodmeter 2.0 offers more actionable insights, stronger diagnostic value, and high usability for small-scale agricultural enterprises. Foodmeter demonstrates its potential not only as a reporting tool but also as a decision-support system that, by translating complex sustainability data into actionable insights, empowers farmers to take ownership of their sustainability journey, to identify priorities, and to enhance both environmental and socio-economic performance, contributing to more sustainable agri-food systems.

食品部门在环境、社会和经济可持续性方面发挥着至关重要的作用，但由于其复杂性和数据要求，中小型企业（SMEs）在采用现有评估工具时往往面临挑战。为了解决这个问题，Foodmeter开发了一个基于网络的决策支持系统，使中小企业能够进行可访问的、可操作的、多维的可持续性评估。该工具根据多标准决策分析原则集成了异质变量，提供可解释的结果，以指导改进行动并支持持续的可持续性跟踪。它在意大利草莓中小企业小组中进行了测试，从而开发了Foodmeter 2.0，其中包括改进的良好农业规范指标和报告可用性。通过反馈和统计分析对其有效性和用户接受程度进行评价。测试表明，由于更严格的评分标准，Foodmeter 2.0的总体得分较低（从67%降至57%，下降了10个百分点），反映了可持续性努力的完整性，而不是孤立的行动。基于技术接受模型的反馈表明，使用该工具的行为意向增加了13%，感知有用性呈积极趋势，并且感知易用性稳定。总体而言，Foodmeter 2.0为小规模农业企业提供了更多可操作的见解，更强的诊断价值和更高的可用性。Foodmeter不仅展示了其作为报告工具的潜力，还展示了其作为决策支持系统的潜力，通过将复杂的可持续性数据转化为可操作的见解，使农民能够掌握其可持续发展之旅，确定优先事项，并提高环境和社会经济绩效，从而为更可持续的农业粮食系统做出贡献。

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引用次数: 0

Screening sustainability assessment of innovative bio-based solutions for art restoration within the EC SSbD framework 在EC SSbD框架内筛选艺术修复创新生物解决方案的可持续性评估

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Cleaner Environmental Systems

Pub Date : 2025-12-01 DOI: 10.1016/j.cesys.2025.100381

M. Menegaldo , E. Giubilato , L. Pizzol , A. Zabeo , E. Badetti , E. Semenzin

Implementing the EC Safe and Sustainable by Design (SSbD) framework from the early design phase of innovative solutions remains challenging. Although various methods to evaluate safety and sustainability exist, their integration throughout the innovation process, especially during the early stages at low Technology Readiness Levels (TRLs), is often hindered by time constraints, limited resources, the need for multidisciplinary expertise, and uncertainty in data availability and quality.

This study presents the Screening Sustainability Assessment (SSA), a screening-level method developed to support early-stage innovation by integrating functionality, safety, and sustainability aspects in product design. The SSA combines semi-quantitative scoring with targeted SSbD-oriented questions, enabling structured assessment across all life cycle stages. Each aspect is evaluated through specific criteria and questions, scored on a five-level scale, fostering informed stakeholder dialogue and supporting the early integration of SSbD objectives. The SSA was applied to assess two innovative bio-based protective coatings against a fossil-based benchmark. These products are intended for the preventive and remedial conservation of cultural heritage surfaces, a sector where traditional materials often present limitations in terms of durability, and sustainability performance. The application of the SSA method to the case study demonstrates its effectiveness in identifying SSbD performance and critical areas for improvement throughout the product life cycle. Although designed for the cultural heritage sector, the methodology is transferable to other fields facing similar challenges. It contributes to the broader goal of operationalizing the SSbD framework by offering a tool for embedding safety and sustainability considerations into innovation processes from the outset.

从创新解决方案的早期设计阶段实施EC安全和可持续设计（SSbD）框架仍然具有挑战性。尽管存在各种评估安全性和可持续性的方法，但它们在整个创新过程中的整合，特别是在低技术准备水平（trl）的早期阶段，往往受到时间限制、资源有限、对多学科专业知识的需求以及数据可用性和质量的不确定性的阻碍。本研究提出了筛选可持续性评估（SSA），这是一种筛选级方法，通过在产品设计中整合功能、安全性和可持续性方面来支持早期创新。SSA将半定量评分与有针对性的ssbd导向问题相结合，使所有生命周期阶段的结构化评估成为可能。每个方面都通过特定的标准和问题进行评估，以五个级别进行评分，促进知情的利益相关者对话，并支持SSbD目标的早期集成。SSA被应用于评估两种创新的生物基保护涂层与化石基的基准。这些产品用于文化遗产表面的预防性和补救性保护，传统材料通常在耐久性和可持续性性能方面存在局限性。SSA方法在案例研究中的应用证明了其在确定整个产品生命周期中SSbD性能和需要改进的关键领域方面的有效性。虽然该方法是为文化遗产部门设计的，但它也适用于面临类似挑战的其他领域。它提供了一种工具，从一开始就将安全和可持续性考虑纳入创新过程，从而有助于实现SSbD框架的更广泛目标。

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引用次数: 0

Data center waste heat utilization in district heating in a volatile low-carbon electricity market 在不稳定的低碳电力市场中，数据中心区域供热的余热利用

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Cleaner Environmental Systems

Pub Date : 2025-12-01 DOI: 10.1016/j.cesys.2025.100373

Seela Tervo , Pauli Hiltunen , Sanna Syri

Data center waste heat utilization in district heating could be one solution to reduce carbon dioxide emissions, since it reduces emissions in the heating sector while increasing data center energy efficiency. The profitability of this solution depends on regulations and incentives in the data center location. In this paper, the tax regulation of data center waste heat utilization in district heating in Finland is examined with proposals for more sustainable outcomes. The large amount of variable wind power combined with nuclear and hydro power has caused low carbon dioxide emissions but volatile electricity prices in Finland. Two cases with data center waste heat utilization are inspected, Espoo (310 000 inhabitants) and Seinäjoki (66 000 inhabitants). In Espoo, a large data center is expected to be vital in abandoning coal and achieving 95 % fossil-free district heating. In Seinäjoki, data center waste heat would replace carbon-intensive peat in district heating. This paper shows how district heating connected heat pumps can together with waste heat sources provide balancing in energy systems with a large share of renewable energy sources. The methods include analyzing the district heating networks with energyPRO software and related profitability calculations. The results show that the Finnish tax incentives for waste heat utilization seem sufficient if district heating is fossil-fuel intensive and carbon dioxide emission prices are high. The analysis presents benefits for both district heating and data center operators. The challenges and lack of regulative support are stated, and ways to increase waste heat usage are proposed.

数据中心废热在区域供热中的利用可能是减少二氧化碳排放的一种解决方案，因为它减少了供热部门的排放，同时提高了数据中心的能源效率。这种解决方案的盈利能力取决于数据中心所在地的法规和激励措施。本文对芬兰区域供热中数据中心废热利用的税收监管进行了研究，并提出了更具可持续性的建议。大量的可变风力发电与核能和水力发电相结合，导致芬兰的二氧化碳排放量低，但电价不稳定。考察了数据中心废热利用的两个案例，埃斯波（31万居民）和Seinäjoki（6.6万居民）。在埃斯波，一个大型数据中心预计对放弃煤炭和实现95%的非化石区域供热至关重要。在Seinäjoki，数据中心废热将取代区域供暖中的碳密集型泥炭。本文展示了区域供热连接热泵如何与废热源一起在能源系统中提供大量可再生能源的平衡。方法包括使用energyPRO软件对区域供热网络进行分析和相关的盈利能力计算。结果表明，如果区域供热是化石燃料密集型的，二氧化碳排放价格高，芬兰对废热利用的税收激励似乎是足够的。该分析为区域供热和数据中心运营商提供了好处。指出了面临的挑战和缺乏监管支持，并提出了增加余热利用的途径。

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引用次数: 0

Decomposing the scope 3 carbon footprint of higher education institutions: Methodology and lessons from the university of Toronto 高等教育机构的范围3碳足迹分解：来自多伦多大学的方法和经验教训

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Cleaner Environmental Systems

Pub Date : 2025-11-29 DOI: 10.1016/j.cesys.2025.100376

Ashita Allamraju , Shashi Kant , Yue Li , Soo Min Toh , James MacLellan , Cynthia Goh , Kevin Leong , Ahmed Azhari , Beverley Ayeni , Patricia Escobar

引用次数: 0

Artificial lures to reduce bait use in the artisanal Octopus maya fishery of the Campeche Bank, Mexico 在墨西哥坎佩切河岸的手工章鱼玛雅渔业中，人工诱饵减少了诱饵的使用

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Cleaner Environmental Systems

Pub Date : 2025-11-25 DOI: 10.1016/j.cesys.2025.100377

Polo Barajas-Girón , Miguel Á. Gamboa-Álvarez , Daniel Peñalosa-Martinell , Unai Markaida , Saul Pensamiento-Villarauz , José F. Chávez-Villegas , Lorena Rocha-Tejeda , Alesa Flores-Guzmán , Carlos E. Novelo-Villanueva , Francisco J. Vergara-Solana

This study evaluates artificial lures as a sustainable alternative to natural bait in the small-scale red octopus (Octopus maya) fishery of the Campeche Bank, Mexico. An experiment with 21 fishing trips compared both methods. Lures yielded 26.5 octopuses and 13.7 kg per trip, versus 23.9 octopuses and 12.6 kg with bait. No differences in weight (p = 0.6) or number (p = 0.54) were found, indicating lures are as effective as bait. Based on operational data from three fishing seasons (2021–2023) and interviews with experienced fishers, we estimated the cost-effectiveness of both strategies. Lures are more cost-efficient, mainly due to their reusability. Lure-based operations had an average daily lure cost of 2.12 USD, representing a cost of 0.013USD per kg of octopus. In contrast, bait costs were estimated at USD 31.8 per day per vessel, and USD 0.46 per kg of octopus. Using artificial lures could save approximately half a ton of crabs per vessel, as each vessel typically requires around 6 kg of bait per fishing day over the 90 days commonly fished in a season, thereby significantly reducing fishing pressure on crab populations. Additional benefits of lures include improved hygiene, and no need for refrigeration for bait storing. Although made of plastic, lures contribute to reducing waste by lowering the frequency of line replacement, as bait is often discarded with the tying line. Although potential negative externalities are recognized—requiring monitoring and intervention when justified—lures present a viable solution aligned with broader local fisheries sustainability initiatives.

本研究评估了在墨西哥坎佩切河岸的小型红章鱼渔业中，人工诱饵作为天然诱饵的可持续替代品。一项涉及21次钓鱼的实验比较了这两种方法。鱼饵每次捕获26.5只章鱼，每次捕获13.7公斤，而鱼饵每次捕获23.9只章鱼，每次捕获12.6公斤。鱼饵的重量（p = 0.6）和数量（p = 0.54）均无差异，表明鱼饵的效果与饵料相同。基于三个捕鱼季节（2021-2023）的运营数据和对经验丰富的渔民的访谈，我们估计了这两种策略的成本效益。鱼饵更具成本效益，主要是由于它们的可重用性。诱鱼饵作业的平均日诱鱼饵成本为2.12美元，每公斤章鱼的成本为0.013美元。相比之下，每艘船每天的诱饵成本估计为31.8美元，每公斤章鱼的诱饵成本估计为0.46美元。使用人工诱饵可以为每艘船节省约半吨螃蟹，因为每艘船在一个季节通常捕鱼的90天内，每个捕鱼日通常需要约6公斤诱饵，从而大大减少对螃蟹种群的捕捞压力。鱼饵的其他好处包括改善卫生，不需要冷藏鱼饵储存。虽然鱼饵是塑料制成的，但由于鱼饵经常随系绳一起被丢弃，因此可以降低更换鱼线的频率，从而有助于减少浪费。虽然潜在的负面外部性是公认的，需要在合理的情况下进行监测和干预，但诱饵是与更广泛的当地渔业可持续性倡议相一致的可行解决方案。

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