Sustainable Production and Consumption最新文献_第8页

Bio-based materials and customized energy supply as key drivers to ecodesign primary portable batteries

IF 10.9 1区环境科学与生态学 Q1 ENVIRONMENTAL STUDIES

Sustainable Production and Consumption

Pub Date : 2024-12-23 DOI: 10.1016/j.spc.2024.12.011

Joan Muñoz-Liesa , Marina Navarro-Segarra , Miquel Sierra-Montoya , Juan Pablo Esquivel , Laura Talens Peiró

The rapid proliferation of electronic devices underscores the critical role of portable batteries as a source of energy supply. Conventional primary batteries have standard formats with pre-defined energy capacity, rely on the use of non-renewable and scarce materials, and are hardly energy-tailored for efficient energy utilization during their use stage. This paper presents a two-stage ecodesign framework to develop and iteratively improve the environmental performance of primary portable batteries. In the first stage, a battery prototype used as a demonstrator is developed based on the battery functional requirements and material configurations. Once the prototype is defined, in the second stage its potential environmental improvements are first evaluated through a qualitative assessment life cycle criteria by experts, and second quantified through a life cycle assessment. The combination of both methods helps to progressively improve the battery environmental impacts. In this study, we applied this framework and developed two environmentally improved versions. Changes implemented in the first and second iterative versions of the battery reduced the environmental impacts by up to 76% and 92%, respectively, compared to the original battery prototype. These improvements were largely driven by addressing key environmental hotspots, such as the membrane in version 1 and the casing in version 2. When compared to conventional coin-cell batteries, the developed bio-based batteries demonstrate environmental impact reductions by up to 76%, depending on the battery functional requirements. Overall, this cutting-edge ecodesign framework establishes a robust framework for developing future biodegradable portable batteries to integrate into sustainable electronics.

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引用次数: 0

Influence assessment by index decomposition analysis, prioritizing design variable for ecodesign

IF 10.9 1区环境科学与生态学 Q1 ENVIRONMENTAL STUDIES

Sustainable Production and Consumption

Pub Date : 2024-12-19 DOI: 10.1016/j.spc.2024.12.008

Amos Wei Lun Lee , Yee Shee Tan , Fu Weijia , Wen Feng Lu , Jonathan Sze Choong Low

In addressing climate change, ecodesign is a pivotal strategy advocating for sustainable products with minimal carbon footprints. However, traditional ecodesign approaches in product redesign often focus on modifying hotspots that may not always reflect the improvement potential or align with the designers' controllable design variables. To optimize ecodesign efforts, this study emphasizes the importance of targeting design variables that exert the most significant environmental sustainability influence on the product. To facilitate such targeted design efforts, an influence assessment was developed to evaluate the environmental sustainability impact of design variables using a four-step framework that adapts Index Decomposition Analysis (IDA). The framework was demonstrated through two redesign scenarios of a handheld fan considering the design tri-factor (choice of material, manufacturing process, and design geometry). In scenario 1, where only the handheld fan's stand was considered, design geometry was identified as the most influential factor in the component's environmental sustainability. In scenario 2, involving four components required to be fabricated from the same material, the material choice was collectively found to exert the greatest influence, even though the stand and battery cover showed alternative design variables with higher influence individually. In both scenarios, the designs generated based on the most influential design variable yielded the lowest carbon emissions among the modifications generated. These results underscore the framework's potential to guide designers towards more effective and sustainable product redesigns.

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引用次数: 0

Effects of the long-term rice expansion on ecosystem carbon budget in the typical agricultural area of Northeast China 长期种植水稻对东北典型农业区生态系统碳收支的影响

IF 10.9 1区环境科学与生态学 Q1 ENVIRONMENTAL STUDIES

Sustainable Production and Consumption

Pub Date : 2024-12-01 DOI: 10.1016/j.spc.2024.11.027

Fen Zhao , Peng Yang , Qingzhu Gao , Lang Xia , Lingling Fan , Mengmeng Hu

Extensive rice expansion in northeast China has significantly altered land use and land cover (LULC) changes. However, the impact of long-term rice expansion on regional carbon budget dynamics remains unclear. A major obstacle in addressing this gap is the absence of agricultural LULC information with high spatiotemporal resolution. Here, we selected the Sanjiang Plain experienced dramatic rice expansion as the study area, presenting a framework that integrates high-resolution crop distribution data with a process-based model to quantify the impact of rice expansion on regional carbon budgets. Specifically, we employed a robust deep-learning network for crop mapping based on Landsat data, to reconstruct the spatiotemporal dynamics of rice expansion from 1985 to 2020. We then incorporated these long-term crop maps into the Denitrification-Decomposition (DNDC) model, to explore the effects of rice expansion on the regional carbon budget over this period. Analysis results showed that the rice planting area expanded by 708.64 km²/yr, resulting in more than a tenfold increase over the past 36 years. Spatially, rice planting expanded from the southwest to the northeast and from the interior to the exterior. This expansion has resulted in approximately 275 Mt. of CO₂ and 6.92 Mt. of CH₄ greenhouse gas emissions, altering the dynamics of the regional carbon budget and shifting the ecosystem from a carbon sink to a carbon source since 2016. Although the long-term expansion of rice increased soil respiration and CH₄ emissions, it also enhanced soil carbon sequestration through agricultural management practices. These findings greatly enhance our understanding of the ecosystem carbon cycle's response to long-term agricultural LULC changes, providing more accurate data support and scientific evidence for developing low-carbon agricultural policies.

东北地区水稻的大面积种植改变了土地利用和土地覆被的变化。然而，长期稻米扩张对区域碳收支动态的影响尚不清楚。解决这一差距的一个主要障碍是缺乏具有高时空分辨率的农业LULC信息。本研究选择三江平原水稻扩张显著的地区作为研究区域，提出了一个将高分辨率作物分布数据与基于过程的模型相结合的框架，以量化水稻扩张对区域碳收支的影响。具体而言，我们采用基于Landsat数据的鲁棒深度学习网络进行作物制图，重建了1985 - 2020年水稻扩展的时空动态。然后，我们将这些长期作物图纳入反硝化分解（DNDC）模型，以探索水稻扩张对这一时期区域碳收支的影响。分析结果表明，水稻种植面积增加了708.64 km2/年，36年来增加了10倍以上。在空间上，水稻种植由西南向东北、由内向外扩展。自2016年以来，这一扩张导致约2.75亿吨二氧化碳和6.92亿吨甲烷温室气体排放，改变了区域碳收支动态，并将生态系统从碳汇转变为碳源。虽然水稻的长期扩张增加了土壤呼吸和CH4的排放，但它也通过农业管理措施增强了土壤碳固存。这些发现极大地增强了我们对生态系统碳循环对长期农业LULC变化的响应的认识，为制定低碳农业政策提供了更准确的数据支持和科学依据。

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引用次数: 0

Transforming the food system with a biomass value hierarchy: Sustainability and policy insights 用生物质价值层次转变粮食系统：可持续性和政策见解

IF 10.9 1区环境科学与生态学 Q1 ENVIRONMENTAL STUDIES

Sustainable Production and Consumption

Pub Date : 2024-12-01 DOI: 10.1016/j.spc.2024.11.026

Kari-Anne Lyng , Hanne Møller , Klaus Mittenzwei , Ivar Pettersen , Jakob Vesterlund Olsen , Hanne Fjerdingby Olsen

The food system significantly impacts the environment and society. This study examined a shift from a continuation of the current trend (policy as usual scenario) towards a biomass value hierarchy scenario, which focused on optimizing land and biomass use and rethinking the role of livestock production. The biomass value hierarchy was based on circular economy principles, the waste hierarchy, and national self-sufficiency, which eliminated feed import and redistributed protein sources in the diet.

A Multi-Criteria Decisions Analysis (MCDA) framework was used to assess the two scenarios across four sustainability dimensions: environmental, social, economic and policy. Environmental and social impacts were analysed using life cycle assessment methodology, while economic and policy implications were explored using partial equilibrium modelling, with the Norwegian food system as a case study.

The results for the environmental dimension indicated that, compared to the policy as usual scenario, the biomass value hierarchy reduced environmental impacts by 8 % to 18 % across the indicators, including climate change, acidification, particulate matter, terrestrial eutrophication and occupation of arable land. Social impacts also improved in categories with the highest social risks, such as equal opportunities for workers, health and safety for farmers, cultural heritage, food security, fair competition, and promoting social responsibility. Contrarily, indicators within the economic dimension revealed reduced profitability, and results within the policy dimension showed a considerable increase in required subsidies, border measures and governmental restrictions on consumption. The study findings indicate that an environmentally and socially sustainable food system is feasible but requires significant political and economic support. Additionally, the study highlights the value of using MCDA when combining different research methods in cross-disciplinary assessments. These results underscore the need for a societal debate on acceptable levels of political intervention and the role of consumers and taxpayers in shaping the future food system.

粮食系统对环境和社会产生重大影响。本研究考察了从当前趋势的延续（政策如常情景）向生物质价值等级情景的转变，该情景侧重于优化土地和生物质利用，并重新思考畜牧业生产的作用。生物量价值分级基于循环经济原则、废物分级和国家自给，消除了饲料进口，重新分配了日粮中的蛋白质来源。采用多标准决策分析（MCDA）框架，从环境、社会、经济和政策四个可持续性维度对两种情景进行评估。使用生命周期评估方法分析了环境和社会影响，同时使用部分均衡模型探讨了经济和政策影响，并以挪威食品系统为例进行了研究。环境维度的结果表明，与政策不变的情景相比，生物量价值层次在气候变化、酸化、颗粒物、陆地富营养化和占用耕地等指标上减少了8%至18%的环境影响。社会风险最高的类别的社会影响也有所改善，例如工人的平等机会、农民的健康和安全、文化遗产、粮食安全、公平竞争和促进社会责任。相反，经济方面的指标显示盈利能力下降，政策方面的结果显示所需补贴、边境措施和政府对消费的限制大大增加。研究结果表明，环境和社会可持续的粮食系统是可行的，但需要大量的政治和经济支持。此外，该研究强调了在跨学科评估中结合不同研究方法时使用MCDA的价值。这些结果突出表明，有必要就政治干预的可接受程度以及消费者和纳税人在塑造未来粮食体系中的作用展开社会辩论。

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引用次数: 0

A life cycle assessment model to evaluate the environmental sustainability of lignin-based polyols 木质素基多元醇环境可持续性的生命周期评价模型

IF 10.9 1区环境科学与生态学 Q1 ENVIRONMENTAL STUDIES

Sustainable Production and Consumption

Pub Date : 2024-12-01 DOI: 10.1016/j.spc.2024.11.019

Léo Staccioli , Andreia Maria Rodrigues dos Santos , José Gallego , Ana Kalliola , Olesya Fearon , Pablo Ortiz , Walter Pitacco , Ana Carvalho

Lignin-based polyols are expected to provide significant environmental benefits by offering new synthetic routes to various types of bio-resins for coating applications. Currently, no models evaluating lignin-based polyols are available in the literature, therefore, the present study introduces a new model to assess environmental impacts associated with the synthesis of lignin-based polyols and to evaluate their potential environmental advantages in bio-product manufacturing. The model follows the life cycle assessment methodology and is based on lignin-based polyols production at a pilot scale, beginning with kraft lignin extraction, followed by solvent fractionation. The results indicate that, compared to their petrochemical counterparts, lignin-based polyols demonstrate superior environmental performance under specific conditions, such as the use of bio-based solvents and an appropriate energy mix. Tetrahydrofuran and electricity consumption emerge as the primary hotspots contributing to environmental impact categories such as climate change, fossil resource use, and water use—identified as the main contributors to the overall environmental impact of lignin-based polyol production. An uncertainty analysis was conducted using Monte Carlo simulation. Based on the findings, producers can consider lignin-based polyols as a promising raw material if they replace tetrahydrofuran with its bio-based counterpart and adopt a renewable energy mix for production. This model can be easily extended by researchers and/or practitioners to further evaluate the environmental impacts of bio-products derived from lignin-based polyols. Moreover, the results of this study can guide policymakers in shaping bio-product policies, as lignin-based polyols show promise as a more sustainable chemical alternative.

木质素基多元醇通过为各种类型的生物树脂涂料提供新的合成途径，有望提供显著的环境效益。目前，文献中还没有评估木质素多元醇的模型，因此，本研究引入了一个新的模型来评估与木质素多元醇合成相关的环境影响，并评估其在生物制品制造中的潜在环境优势。该模型遵循生命周期评估方法，并基于木质素多元醇生产的中试规模，从硫酸盐木质素提取开始，然后是溶剂分馏。结果表明，与石化产品相比，木质素基多元醇在特定条件下（如使用生物基溶剂和适当的能源组合）表现出优越的环保性能。四氢呋喃和电力消耗成为气候变化、化石资源使用和水使用等环境影响类别的主要热点，被确定为木质素基多元醇生产对整体环境影响的主要贡献者。采用蒙特卡罗模拟进行了不确定性分析。根据研究结果，生产商可以考虑将木质素多元醇作为一种有前景的原料，如果他们用生物基的四氢呋喃替代木质素多元醇，并采用可再生能源组合进行生产。研究人员和/或从业者可以很容易地扩展该模型，以进一步评估木质素多元醇衍生的生物产品对环境的影响。此外，这项研究的结果可以指导决策者制定生物产品政策，因为木质素多元醇显示出作为一种更可持续的化学替代品的希望。

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引用次数: 0

Sustainability and efficiency assessment of routes for long-term energy storage in chemicals

IF 10.9 1区环境科学与生态学 Q1 ENVIRONMENTAL STUDIES

Sustainable Production and Consumption

Pub Date : 2024-11-30 DOI: 10.1016/j.spc.2024.11.030

Sebastiano C. D'Angelo , Raul Calvo-Serrano , Jorge J. Gata-Cuesta , Philipp Steiner , Michael Bregy , Gonzalo Guillén-Gosálbez

Renewable power plays a prominent role in the decarbonization of energy generation, particularly wind and solar energy sources. However, the intermittency of these renewable sources calls for energy storage, where hydrogen, ammonia, and methanol have emerged as potential chemical energy vectors. Such alternatives are often evaluated without modelling all the phases in detail of the storage process, i.e., (1) power-to-chemicals (P2C), (2) storage, and (3) chemicals-to-power (C2P), which can lead to limited insights. This work evaluates hydrogen, ammonia, and methanol as chemical energy vectors considering their economic and environmental performance using detailed simulations for all phases of the process based on harmonized assumptions and consistent datasets. Moreover, process simulation and life cycle assessment (LCA) are coupled with data envelopment analysis (DEA) to identify the most efficient alternatives and determine improvement targets for the inefficient ones. Hydrogen is found to have the lowest costs and environmental impacts, while methanol-based scenarios are moderately more expensive, and ammonia routes are the costliest. Furthermore, based on our modelling assumptions, methanol routes outperform ammonia routes in both economic and environmental terms. This work sheds light on the potential of chemical energy storage applications, and aims to open new avenues for holistic assessments of power generation and storage technologies under multiple sustainability and economic indicators.

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引用次数: 0

A systematic literature review of impactful food waste interventions at the consumer level 关于在消费者层面采取有影响力的食物浪费干预措施的系统性文献综述

IF 10.9 1区环境科学与生态学 Q1 ENVIRONMENTAL STUDIES

Sustainable Production and Consumption

Pub Date : 2024-11-22 DOI: 10.1016/j.spc.2024.11.023

Carole Liechti, Gabriele Mack, Jeanine Ammann

As consumers contribute largely to the global food waste quantity, many efforts have been made to reduce food waste through interventions. However, knowledge of the impact of the interventions is required to reduce consumers' food waste. We systematically reviewed 49 studies that evaluated 54 interventions to reduce food waste at the consumer level. The studies were assessed according to three criteria: the type of intervention (single- or multi-component), the study design (randomised experiments, non-randomised [quasi] experiments, non-experimental studies), and the impact on food waste reduction (significant reduction, non-significant reduction, no reduction). The majority of interventions were single-component (n = 45), with only a small percentage being multi-component (n = 9). Most interventions resulted in a significant reduction in food waste (n = 36). Furthermore, the majority of the studies used non-randomised (quasi) experiments (n = 35). Multi-component interventions with nudges showed promise for reducing food waste among consumers, with most having a significant impact and leading to the highest food waste reductions (up to 84.3 %). This review synthesises the current state of knowledge regarding the impact of food waste reduction interventions, which can help identify and implement effective interventions in the future.

由于消费者在很大程度上造成了全球的食物浪费量，人们已经做出了许多努力，通过干预措施来减少食物浪费。然而，要减少消费者的食物浪费，还需要了解干预措施的影响。我们系统回顾了 49 项研究，这些研究评估了 54 项在消费者层面减少食物浪费的干预措施。我们根据三个标准对这些研究进行了评估：干预措施的类型（单成分或多成分）、研究设计（随机实验、非随机[准]实验、非实验研究）以及对减少食物浪费的影响（显著减少、非显著减少、无减少）。大多数干预措施都是单一成分的（n = 45），只有一小部分是多成分的（n = 9）。大多数干预措施都能显著减少食物浪费（36 项）。此外，大多数研究都采用了非随机（准）实验（n = 35）。包含劝导的多成分干预措施显示出减少消费者食物浪费的前景，大多数干预措施效果显著，食物浪费减少率最高（达 84.3%）。本综述总结了当前有关减少食物浪费干预措施影响的知识，有助于今后确定和实施有效的干预措施。

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引用次数: 0

Sustainability-driven regime shifts in Complex Adaptive Systems: The case of animal production and food system 复杂适应系统中可持续性驱动的制度转变：动物生产和食品系统案例

IF 10.9 1区环境科学与生态学 Q1 ENVIRONMENTAL STUDIES

Sustainable Production and Consumption

Pub Date : 2024-11-21 DOI: 10.1016/j.spc.2024.11.022

Tuomas Kuhmonen , Irene Kuhmonen , Arto Huuskonen

The role of animal production in sustainability transitions has become the subject of a heated societal debate, and a variety of discourses delineating the role that animal production should take in the future prevail. Such discourses can act as attractors that configure the organisation of Complex Adaptive Systems, such as food systems. The evolution of food systems seems to follow a cyclical pattern with occasional regime shifts, which can be driven by the system swapping attractors. In this study, alternative regimes and regime shift dynamics were illustrated for the Finnish food system facing pressures for sustainability transition. Two questions were asked. First, what could be the attractors capable for facilitating a regime shift and from where could they emerge? Second, how the regime shift could happen and what would be the role of animal production in the alternative regimes? Discourse analysis and systems science methodology were used in a participatory foresight process. Five prominent new basins of attraction were identified: ethics, environment, health, national food security and global market. All these manifested a specific conceptualisation of sustainability and resulted in radically different roles for animal production in the food system. Each of the new regimes was accompanied by some new landscape level pressures for change, emphasising the importance of holistic system analysis to avoid unintended or unexpected outcomes of sustainability transitions. Insights for the difficulty of planned regime shifts, use of Multi-Level Perspective (MLP) as an empirical mapping tool, and the utilisation of societal discourses as a source for new attractors were novel elements in the approach of this study.

畜牧业在可持续发展转型中的作用已成为社会激烈讨论的主题，各种关于畜牧业在未来应发挥的作用的论述盛行。这些论述可以作为吸引物，配置复杂适应系统（如食品系统）的组织结构。粮食系统的演变似乎遵循一种周期性模式，偶尔会发生制度转变，这可能是由系统交换吸引子驱动的。在这项研究中，芬兰粮食系统面临着可持续发展转型的压力，研究人员展示了该系统的替代机制和机制转换动态。我们提出了两个问题。首先，能够促进制度转换的吸引子是什么？第二，制度转变如何发生，动物生产在替代制度中的作用是什么？在参与式展望过程中使用了话语分析和系统科学方法。确定了五个突出的新吸引点：道德、环境、健康、国家粮食安全和全球市场。所有这些都体现了可持续发展的特定概念，并导致动物生产在食品体系中扮演完全不同的角色。每一种新制度都伴随着一些新的景观层面的变革压力，这强调了整体系统分析的重要性，以避免可持续性转型产生意外或意想不到的结果。本研究方法中的新元素包括：洞察计划制度转变的难度、使用多层次视角（MLP）作为实证制图工具，以及利用社会话语作为新吸引力的来源。

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引用次数: 0

Evaluating the environmental and financial performance of additive manufacturing at scale in the consumer goods industry 评估消费品行业规模化增材制造的环境和财务绩效

IF 10.9 1区环境科学与生态学 Q1 ENVIRONMENTAL STUDIES

Sustainable Production and Consumption

Pub Date : 2024-11-20 DOI: 10.1016/j.spc.2024.11.013

Noemie Midrez , Afreen Siddiqi , Gregoire Mercusot , Bruce Cameron

As corporate sustainability commitments and environmental regulations intensify, additive manufacturing users must balance the technology's maturing economic value with its application- and process-dependent environmental impact. With limited methods to navigate this multi-dimensional variability at scale, additive manufacturing stakeholders face challenges when making growth and investment decisions. To bridge this gap, this study applies system modeling methodologies to a case study of an additive manufacturing service unit in the sporting goods industry aiming to improve its product portfolio's economic and environmental impacts and scale its capabilities. A tradespace model compares the value of additive manufacturing to injection molding across product characteristics and lifecycle decisions, and a flexible design analysis evaluates additive manufacturing scaling strategies, considering market and technology uncertainties. The tradespace analysis reveals that additive manufacturing reduces product environmental footprint by 95 % and unit cost by 93 % for 1-to-20-part production volumes compared to injection molding, while injection molding lowers environmental footprint by 72 % and unit cost by 56 % for 100-to-50,000-part production volumes compared to additive manufacturing. This analysis also suggests that additive manufacturing's economic and environmental value increases when located in geographies with low-carbon footprint energy and when manufacturing very low production quantities or small parts that maximize build capacity. The flexible design analysis indicates that expanding internal production capacity to a larger facility with renewable power, once higher demand is confirmed, can reduce part environmental footprint by up to 49 % and increase Net Present Value by more than 600 % compared to maintaining current operations that leverage external service bureaus. The results demonstrate the potential of these system modeling methodologies in integrating financial and environmental impact assessments at the company level for strategic scaling decisions. Future model developments are recommended to incorporate additive manufacturing's unique design impacts on the product lifecycle, more nuance in the impact analyses, and the social component of the technology's sustainability.

随着企业可持续发展承诺和环境法规的加强，增材制造用户必须在该技术日渐成熟的经济价值与其应用和工艺相关的环境影响之间取得平衡。由于在规模上驾驭这种多维变化的方法有限，增材制造利益相关者在做出增长和投资决策时面临挑战。为了弥补这一差距，本研究将系统建模方法应用于体育用品行业快速成型制造服务单位的案例研究，该单位旨在改善其产品组合对经济和环境的影响，并扩展其能力。贸易空间模型比较了增材制造与注塑成型在产品特性和生命周期决策方面的价值，灵活的设计分析评估了增材制造扩展战略，同时考虑了市场和技术的不确定性。贸易空间分析表明，与注塑成型相比，增材制造可将 1 至 20 件产品的环境足迹降低 95%，单位成本降低 93%；与增材制造相比，注塑成型可将 100 至 50,000 件产品的环境足迹降低 72%，单位成本降低 56%。这项分析还表明，在低碳能源地区，以及在生产量极低或能最大限度提高制造能力的小零件时，快速成型制造的经济和环境价值都会增加。灵活的设计分析表明，一旦确认有更高的需求，将内部生产能力扩展到拥有可再生能源的更大设施，与维持目前利用外部服务局的运营相比，可减少高达 49% 的零件环境足迹，并将净现值提高 600% 以上。结果表明，这些系统建模方法具有在公司层面整合财务和环境影响评估的潜力，可用于战略扩展决策。建议在未来的模型开发中纳入增材制造对产品生命周期的独特设计影响、影响分析中更多的细微差别以及该技术可持续发展的社会因素。

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引用次数: 0

Translating pro-environmental intention to behavior: The role of moral licensing effect 将环保意愿转化为行为：道德许可效应的作用

IF 10.9 1区环境科学与生态学 Q1 ENVIRONMENTAL STUDIES

Sustainable Production and Consumption

Pub Date : 2024-11-19 DOI: 10.1016/j.spc.2024.11.018

Eugene Song , Myoung-Soung Lee , Jiyun Park , Hyemi Lee

Despite an individual's altruistic intentions, these are not always put into practice. The gap between the intentions and behaviors hinders pro-environmental consumption behavior, which has been a highly important subject in the field. Considering that pro-environmental consumption is an altruistic behavior that adjusts and resolves the disparity between personal interests and social values, the role of moral licensing effect should get more attention in translating intention into behavior. However, existing studies failed to thoroughly examine the role of moral licensing effect. To address the gap in the literature, this study specifically attempted to investigate how the moral license effect influences when individual good intentions are linked to behavior. For this purpose, this study developed a novel behavioral model based on the Health Belief Model (HBM) and the Theory of Planned Behavior (TPB), while also examining the significance of the pathway through which pro-environmental behavioral intention influences actual behavior. This study conducted an online self-reported survey online and analyzed the data from 1000 participants. As a result, the level of moral licensing significantly moderated the association between pro-environmental behavioral intention and actual behavior. Participants with higher levels of moral licensing, indicating a greater tendency to rationalize unethical actions, showed a weaker translation of intention into action. It recommends developing differentiated communication strategies based on consumers' moral licensing levels, focusing on facilitating intention-to-action translation for high moral licensing individuals and reinforcing antecedents like perceived benefits for those with low moral licensing tendencies.

尽管个人有利他的意愿，但并不总是能付诸实践。意图与行为之间的差距阻碍了亲环境消费行为，而这一直是该领域非常重要的课题。考虑到亲环境消费是一种调整和解决个人利益与社会价值之间差异的利他行为，道德许可效应在将意向转化为行为方面的作用应得到更多关注。然而，现有研究未能深入探讨道德许可效应的作用。为了弥补这一文献空白，本研究特别尝试探究道德许可效应如何影响个人良好意愿与行为之间的联系。为此，本研究在健康信念模型（HBM）和计划行为理论（TPB）的基础上建立了一个新的行为模型，同时还考察了亲环境行为意向影响实际行为的途径的重要性。本研究在网上进行了自我报告调查，并对 1000 名参与者的数据进行了分析。结果发现，道德许可水平在很大程度上调节了亲环境行为意向与实际行为之间的关联。道德许可水平较高的参与者更倾向于将不道德的行为合理化，他们将意向转化为行动的能力较弱。该研究建议根据消费者的道德许可水平制定不同的沟通策略，对于道德许可水平高的人，重点是促进意向向行动的转化，而对于道德许可水平低的人，重点是强化前因，如感知到的利益。

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引用次数: 0