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Chinese firms’ R&D internationalization: Leveraging global inventor networks for technological exploration 中国企业研发国际化:利用全球发明者网络进行技术探索
IF 5.4 2区 地球科学 Q1 GEOGRAPHY Pub Date : 2025-11-29 DOI: 10.1016/j.apgeog.2025.103852
Kang Sun , Yuefang Si , Yi Zhang
This study investigates the spatial distribution and key factors associated with Chinese firms' R&D internationalization by using overseas patent application data from 1273 Chinese firms filed with the United States Patent and Trademark Office (USPTO) over the period 2012–2019. We construct a global inventor network of Chinese firms, focusing on the role of firm-level internal motivations (the breadth and depth of firm's overseas R&D) and the position of cities within this network. Our analysis reveals that information and communications technology (ICT) firms, such as Huawei, dominate these activities, with Shenzhen emerging as a key hub. Chinese firms' R&D internationalization is primarily directed towards major innovation clusters in North America and Europe, including the San Francisco Bay Area and Munich. Using a panel negative binomial fixed-effects model, we find the degree centrality of overseas cities within the global R&D network is positively associated with their attractiveness for Chinese firms. This paper presents a collection of stylized facts about the patterns of Chinese firms' R&D internationalization. Moreover, there is a U-shaped relationship between the breadth of overseas R&D and technological exploration, and an inverted U-shaped relationship between the depth of overseas R&D and technological exploration.
利用2012-2019年1273家中国企业向美国专利商标局(USPTO)提交的海外专利申请数据,研究了中国企业研发国际化的空间分布及其影响因素。我们构建了一个中国企业的全球发明家网络,重点研究了企业内部动机(企业海外研发的广度和深度)的作用以及城市在该网络中的地位。我们的分析显示,信息和通信技术(ICT)公司,如华为,主导了这些活动,深圳正在成为一个关键的中心。中国企业的研发国际化主要面向北美和欧洲的主要创新集群,包括旧金山湾区和慕尼黑。利用面板负二项固定效应模型,我们发现海外城市在全球研发网络中的中心性程度与其对中国企业的吸引力呈正相关。本文对中国企业研发国际化模式进行了实证分析。海外研发广度与技术探索呈u型关系,海外研发深度与技术探索呈倒u型关系。
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引用次数: 0
A supply-side analysis of the craft beer scene in Spain 西班牙精酿啤酒的供给侧分析
IF 5.4 2区 地球科学 Q1 GEOGRAPHY Pub Date : 2025-11-28 DOI: 10.1016/j.apgeog.2025.103849
Francisco Sánchez-Cubo, Carlos G. Benavides-Chicón, José Luis Sánchez-Ollero
This study focuses on analysing beer, as a crucial element for dining, in portraying the destination image through depicting local images of where it is produced. A supply-side analysis was conducted using descriptive and K-prototype clustering analyses, which incorporated quantitative and qualitative data from an ad hoc database containing craft and industrial beers, to help answer the stated objectives. The results illustrate that, in the Spanish case, the relationship between craft beer and neolocalism may lack support since few local representations are found in craft or industrial beer labelling. Also, four beer clusters were found, allowing a more in-depth understanding of the beer scene in Spain. The findings shed light on the beer phenomenon from a multidimensional approach, combining market information (price, style, format, alcohol content), findings on neolocalism (labelling) and beer groups from clustering. This study is the first to comprehensively analyse the beer scene, combining quantitative and qualitative analysis from the supply side. The results have substantial implications for producers and tourism stakeholders, as they demonstrate there is room for strengthening the link between local imagery, destination identity and beer branding.
本研究的重点是分析啤酒,作为餐饮的关键元素,通过描绘其产地的当地形象来描绘目的地形象。供给侧分析使用描述性和k -原型聚类分析进行,其中包括来自包含工艺啤酒和工业啤酒的特设数据库的定量和定性数据,以帮助回答既定目标。结果表明,在西班牙的情况下,精酿啤酒和新地方主义之间的关系可能缺乏支持,因为在精酿啤酒或工业啤酒标签中很少发现地方代表。此外,还发现了四个啤酒集群,可以更深入地了解西班牙的啤酒场景。研究结果从多维度的角度揭示了啤酒现象,结合了市场信息(价格、风格、格式、酒精含量)、新地方主义(标签)的发现和聚类的啤酒群体。本研究首次从供给侧对啤酒场景进行了定量与定性相结合的综合分析。研究结果对生产商和旅游业利益相关者具有重大意义,因为它们表明,加强当地形象、目的地身份和啤酒品牌之间的联系是有空间的。
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引用次数: 0
Heterogeneous effects of neighborhood renewal on mental well-being: A capability approach to analyzing complex causal pathways 社区更新对心理健康的异质性影响:一种分析复杂因果通路的能力方法
IF 5.4 2区 地球科学 Q1 GEOGRAPHY Pub Date : 2025-11-26 DOI: 10.1016/j.apgeog.2025.103847
Qinran Yang, Xidan Hu, Yanan Liu, Linchuan Yang
Neighborhood renewal is considered a strategy for reducing place-based health inequalities. However, evidence suggests that such interventions can produce uneven mental health impacts. Drawing on the capability approach, this study explains how sociodemographic characteristics, neighborhood environmental changes, and individual agency, manifesting as perceptual and behavioral adaptation, interact to create intra-community mental well-being disparities. Through latent class regression analysis on survey data from 1127 residents across 16 neighborhoods in Chengdu, China, the study identifies three subgroups who experience renewal differently: higher-income older female natives, lower-income young male migrants, and the lowest-income young female migrants. First, sociodemographic characteristics establish patterned variations in environmental exposure and perceptions among the three subgroups. Specifically, lower-income young migrants are less exposed to beneficial environmental changes than higher-income local older women. These groups demonstrate distinct environmental perception patterns categorized as affection-oriented, development-oriented, and survival-oriented. Second, environmental changes exert temporally and socially heterogeneous effects on the three groups' mental well-being by altering health-related resource access. With environmental transformations intensifying, the health benefits for the first group continue to grow, while the benefits for the latter two groups initially rise but later decline. Finally, individuals’ strategic environmental perceptions further reshape health disparities. The study contributes to the multiple and interconnected causal pathways through which neighborhood renewal impacts mental well-being inequalities. It unravels the constraints imposed by structural factors on the environment-health and agency-health associations and the pathways and mechanisms through which environmental interventions and individual agency may overcome such constraints, which generates valuable insights for developing equity-oriented renewal policies.
社区更新被认为是减少地方卫生不平等的一项战略。然而,有证据表明,这种干预措施可能产生不平衡的心理健康影响。基于能力理论,本研究解释了社会人口特征、社区环境变化和个体能动性(表现为感知和行为适应)如何相互作用,从而产生社区内心理健康差异。通过对中国成都16个社区1127名居民的调查数据进行潜在类别回归分析,该研究确定了三个不同经历更新的亚群体:高收入老年女性本地人、低收入年轻男性移民和最低收入年轻女性移民。首先,社会人口学特征确定了三个亚组在环境暴露和感知方面的模式变化。具体来说,低收入的年轻移民比高收入的当地老年妇女更少接触到有益的环境变化。这些群体表现出不同的环境感知模式,分为情感导向、发展导向和生存导向。其次,环境变化通过改变与健康相关的资源获取,对三个群体的心理健康产生了时间和社会异质性的影响。随着环境转型的加剧,前一组人的健康效益继续增长,后两组人的健康效益则先上升后下降。最后,个人的战略环境观念进一步重塑了健康差距。该研究有助于社区更新影响心理健康不平等的多重相互关联的因果途径。它揭示了结构因素对环境-健康和机构-健康联系所施加的限制,以及环境干预措施和个别机构克服这些限制的途径和机制,为制定面向公平的更新政策提供了宝贵的见解。
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引用次数: 0
Identification of factors influencing cooperation between border towns in different border traffic regimes 确定不同边境交通制度下边境城镇合作的影响因素
IF 5.4 2区 地球科学 Q1 GEOGRAPHY Pub Date : 2025-11-26 DOI: 10.1016/j.apgeog.2025.103841
Izabela Iwona Zabielska , Anna Klimach , Agnieszka Dawidowicz
Cross-border cooperation is shaped by the permeability and functions of state borders, yet the impact of specific determinants under varying traffic regimes remains underexplored. This study examines the Polish–Russian border, which has shifted between three distinct regimes over the past two decades: the visa regime (2006), the local border traffic agreement (2013), and the border closure following the war in Ukraine (2023). A survey of local governments in three Polish border towns—Bartoszyce, Braniewo, and Gołdap—was conducted to evaluate and rank factors influencing cooperation across these different political and institutional contexts.
The results reveal a dynamic evolution of perceived drivers and barriers of cross-border cooperation. Economic factors dominated in 2006, when cross-border exchange was viewed both as an opportunity and a burden due to visa-related costs. Under the semi-permeable regime in 2013, their importance declined as trade normalized and transaction costs fell. In 2023, following the border closure, economic drivers weakened further, while economic barriers—linked to the loss of markets—regained significance. Institutional barriers persisted across all periods, reflecting long-term asymmetry between EU and Russian governance systems. Social factors fluctuated: they were highly significant under restrictive conditions in 2006, declined during institutionalized cooperation in 2013, and re-emerged in 2023 as residual channels of resilience when formal cooperation collapsed. Cognitive factors remained weak throughout, suggesting limited knowledge exchange and persistent stereotypes, while geographical proximity played a negligible role.
By comparing three consecutive regimes, the study demonstrates that the trajectory of cross-border cooperation was primarily determined by political and institutional frameworks, with local actors adapting to external conditions rather than shaping them. Nevertheless, the resurgence of social drivers during border closure highlights the latent resilience of local communities and their potential for future re-engagement.
This study introduces a novel classification and ranking of determinants of cross-border cooperation and offers a replicable analytical framework for assessing cooperation dynamics under varying border permeability. The findings provide practical guidance for policymakers and local authorities seeking to sustain cooperation and social resilience in politically asymmetric and volatile border regions.
跨境合作是由国家边界的渗透性和功能决定的,但在不同的交通制度下,具体决定因素的影响仍未得到充分探讨。本研究考察了波兰-俄罗斯边境,该边境在过去二十年中在三种不同的制度之间转变:签证制度(2006年)、当地边境交通协议(2013年)和乌克兰战争后的边境关闭(2023年)。一项针对波兰三个边境城镇(bartoszyce, Braniewo和Gołdap-was)的地方政府的调查旨在评估和排名影响这些不同政治和制度背景下合作的因素。研究结果揭示了跨境合作的感知驱动因素和障碍的动态演变。经济因素在2006年占主导地位,当时跨境交流既被视为机遇,也因签证相关费用而成为负担。在2013年的半渗透机制下,随着贸易正常化和交易成本下降,它们的重要性有所下降。2023年,在边境关闭之后,经济驱动力进一步减弱,而与市场丧失相关的经济壁垒重新变得重要起来。制度障碍贯穿所有时期,反映出欧盟和俄罗斯治理体系之间的长期不对称。社会因素波动较大,2006年在限制性条件下显著,2013年在制度化合作期间显著下降,2023年在正式合作崩溃时作为剩余弹性渠道重新出现。认知因素在整个过程中仍然很弱,表明有限的知识交流和持久的刻板印象,而地理邻近的作用可以忽略不计。通过比较三个连续的政权,该研究表明,跨境合作的轨迹主要由政治和制度框架决定,当地行动者适应外部条件,而不是塑造外部条件。然而,在边境关闭期间,社会驱动力的复苏凸显了当地社区潜在的复原力及其未来重新参与的潜力。本研究引入了一种新的跨境合作决定因素分类和排名,并提供了一个可复制的分析框架,用于评估不同边界渗透率下的合作动态。研究结果为政策制定者和地方当局寻求在政治不对称和动荡的边境地区维持合作和社会复原力提供了实际指导。
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引用次数: 0
Beyond urban–rural divide: urban hotspots benefit more than non-hotspots in PM2.5 reduction 超越城乡界限:城市热点地区PM2.5减排效益大于非热点地区
IF 5.4 2区 地球科学 Q1 GEOGRAPHY Pub Date : 2025-11-26 DOI: 10.1016/j.apgeog.2025.103843
Ding Ma , Canpeng Li , Ming Liu , Lili Deng , Honglin Zhu , Mats Sandberg , Zhengdong Huang
This study aims to understand a nuanced intra-urban PM2.5 distribution pattern and provide insights into the environmental consequences of urban development. Inspired by the impact that the urban-rural divide has had on nation-wide urbanization progress, the study approaches urban areas as a series of hotspots and non-hotspots, applying Zipf's law-ruled spatial clustering method on nighttime light data. We found that PM2.5 concentrations and exposures in China decreased notably from 2005 to 2020, affirming the efficacy of that country's air pollution control policies. However, the difference in exposure between hotspot and non-hotspot regions indicates that outside-hotspot PM2.5 exposures across most cities consistently exceeded within-hotspot ones, despite the observed declining trend in exposure disparity during the 15-year time span. The diminishment in exposure disparity primarily stems from the reduction in PM2.5 levels rather than targeted equity measures. All of these outcomes point to the importance of integrating air quality management with broader city planning, economic, and health policies.
本研究旨在了解细微的城市内部PM2.5分布模式,并为城市发展的环境后果提供见解。受城乡差距对全国城市化进程影响的启发,本研究将城市区域划分为一系列热点和非热点区域,并将Zipf法则空间聚类方法应用于夜间灯光数据。我们发现,从2005年到2020年,中国的PM2.5浓度和暴露量显著下降,证实了该国空气污染控制政策的有效性。然而,热点地区与非热点地区的暴露差异表明,尽管在15年的时间跨度中观测到暴露差异呈下降趋势,但大多数城市的热点地区外PM2.5暴露量始终超过热点地区内PM2.5暴露量。暴露差距的缩小主要源于PM2.5水平的降低,而不是有针对性的公平措施。所有这些结果都表明了将空气质量管理与更广泛的城市规划、经济和卫生政策相结合的重要性。
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引用次数: 0
Data driven analysis of urban odour perception: Geospatial insights from Hong Kong 城市气味感知的数据驱动分析:来自香港的地理空间洞察
IF 5.4 2区 地球科学 Q1 GEOGRAPHY Pub Date : 2025-11-25 DOI: 10.1016/j.apgeog.2025.103844
Haotian Wang, Zidong Yu, Xintao Liu
Urban odours play a crucial role in shaping the development and liveability of urban environments. While existing research has focused on classifying and evaluating urban odours, there is a relative dearth of studies that examine odour factors from human perception. This study seeks to fill this gap by investigating the spatial distribution of urban odour perception reported by people and evaluating the correlation between these perception and various urban environment factors, including social, natural, and built factors. Using social media and multi-source spatial data, our research innovatively utilizes olfactory-related sentiment analysis to map odour perceptions, integrates a multi-dimensional environmental framework underexplored in odour research, and constructs a data-driven pipeline employing a three-step approach: firstly, keyword extraction and text sentiment analysis are utilized to map the spatial distribution of odour perception; secondly, global and local regression analysis is employed to explore the relationships between odour perception scores (OPS) and multidimensional factors of the urban environment. Thirdly, utilizing hierarchical clustering to group regions that exhibit consistency in odour perception and its influencing factors. The findings reveal distinct spatial patterns in odour perception, with significant associations to factors like population density, air pollutant concentration, and building density. Spatial clustering further identifies regions with consistent odour perception profiles, highlighting key environmental drivers that shape these patterns. These results provide a foundation for understanding the spatial distribution of odour perception and offer actionable insights for urban planning and governance. This study not only enhances the understanding of urban odours but also provides a data-driven framework for addressing perception-related urban challenges in future research.
城市气味在塑造城市环境的发展和宜居性方面发挥着至关重要的作用。虽然现有的研究主要集中在对城市气味进行分类和评估,但从人类感知来研究气味因素的研究相对缺乏。本研究试图通过调查人们报告的城市气味感知的空间分布,并评估这些感知与各种城市环境因素(包括社会、自然和建筑因素)之间的相关性来填补这一空白。本研究利用社交媒体和多源空间数据,创新性地利用嗅觉相关的情感分析来绘制气味感知图,整合气味研究尚未探索的多维环境框架,采用三步走的方法构建数据驱动的管道:首先,利用关键词提取和文本情感分析绘制气味感知的空间分布;其次,采用全局和局部回归分析方法,探讨气味感知评分(OPS)与城市环境多维因素之间的关系。第三,利用层次聚类对气味感知一致性区域及其影响因素进行分组。研究结果揭示了气味感知的不同空间模式,与人口密度、空气污染物浓度和建筑密度等因素有显著关联。空间聚类进一步确定了具有一致气味感知特征的区域,突出了塑造这些模式的关键环境驱动因素。这些结果为理解气味感知的空间分布提供了基础,并为城市规划和治理提供了可操作的见解。这项研究不仅增强了对城市气味的理解,而且为未来研究中解决感知相关的城市挑战提供了数据驱动的框架。
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引用次数: 0
Symbiotic development or resource siphoning? Investigating the impacts of regional cooperation on urban vitality in the greater bay area pre- and post-COVID-19 pandemic 共生发展还是资源虹吸?研究新冠肺炎疫情前后大湾区区域合作对城市活力的影响
IF 5.4 2区 地球科学 Q1 GEOGRAPHY Pub Date : 2025-11-24 DOI: 10.1016/j.apgeog.2025.103842
Hong Ni , Jinliu Chen , Pengcheng Li , Haoqi Wang , Xianchun Zhang
Urban vitality is crucial for sustainable growth amidst accelerating urbanization and resource disparities. Limited research has explored how regional cooperation can either foster symbiotic growth or exacerbate competitive siphoning, influencing urban vitality dynamics. This study addresses this gap by developing a machine learning-based text mining to classify regional cooperation affairs and applying the Bayesian Best-Worst Model to weigh urban vitality sub-dimensions, incorporating economic, social, and environmental factors. Using Ordinary Least Squares regression, Generalized Linear Model for lagged effects, and Multiscale Geographically Weighted Regression, we analyze the spatiotemporal effects of regional cooperation on urban vitality in the Guangdong-Hong Kong-Macao Greater Bay Area (GBA) from 2012 to 2023, specifically distinguishing between pre- and post-COVID-19 dynamics. Our findings indicate: (1) Regional cooperation generally enhances urban vitality, with GBA cities showing resilience and sustained growth even during the pandemic, despite persistent spatial and temporal disparities. (2) Economic cooperation immediately increases social and environmental pressures, exhibiting a positive lagged effect. Institutional collaboration consistently bolsters social welfare and sustainability, highlighting the need for targeted governance; social cooperation also shows complex, sometimes negative, lagged effects on vitality. (3) Spatial heterogeneity reveals an evolving dynamic: a competitive siphoning effect was evident pre-pandemic, with core cities like Shenzhen showing limited gains. However, post-2021, core growth poles such as Hong Kong and Shenzhen derived significantly stronger vitality boosts from regional cooperation, suggesting a transition towards symbiotic growth. These findings underscore the importance of policies promoting equitable governance and deeper integration for balanced regional development and enhanced urban vitality.
在城市化加速和资源差距加剧的背景下,城市活力对可持续增长至关重要。有限的研究探讨了区域合作如何促进共生增长或加剧竞争虹吸,从而影响城市活力动态。本研究通过开发基于机器学习的文本挖掘来对区域合作事务进行分类,并应用贝叶斯最佳-最差模型来权衡城市活力子维度,包括经济、社会和环境因素,从而解决了这一差距。利用普通最小二乘回归、滞后效应广义线性模型和多尺度地理加权回归,分析了2012 - 2023年粤港澳大湾区区域合作对城市活力的时空影响,并特别区分了疫情前和疫情后的动态。结果表明:①区域合作总体上增强了城市活力,大湾区城市即使在疫情期间也表现出韧性和持续增长,尽管存在持续的时空差异。(2)经济合作直接增加了社会和环境压力,表现出正向滞后效应。机构合作不断促进社会福利和可持续性,突出了有针对性治理的必要性;社会合作也表现出复杂的,有时是负面的,对生命力的滞后影响。③空间异质性呈现演化动态:疫情前竞争虹吸效应明显,深圳等核心城市增长有限。但2021年后,香港、深圳等核心增长极从区域合作中获得的活力提升明显增强,向共生增长转变。这些发现强调了促进公平治理和深化一体化的政策对于区域平衡发展和增强城市活力的重要性。
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引用次数: 0
The changing geographies of renewable energy: Accumulation, saturation, and contestation in Dunkirk, France 可再生能源的地理变化:法国敦刻尔克的积累、饱和和竞争
IF 5.4 2区 地球科学 Q1 GEOGRAPHY Pub Date : 2025-11-22 DOI: 10.1016/j.apgeog.2025.103845
Cille Kaiser, James Patterson
Renewable energy technology (RET) is expanding into new territories. Technological change, increasing demand, and siting constraints increasingly lead to RET development in already urbanized or industrialized landscapes. Here, the infrastructural context could make RET less visible and/or disruptive, but it could also exacerbate existing problems (e.g., environmental degradation) and create new social conflicts over the uneven impacts of energy transitions. It is therefore crucial to understand how these changing geographies affect the acceptability of RET. We examine the case of Dunkirk, France, where a controversial offshore wind project is being pursued in a complex socio-industrial context. Drawing on 43 semi-structured interviews and detailed field observations, we examine how meanings and responses over this project are shaped by the wider landscape(s) of infrastructure, institutions, and social or economic activity in which it is implicated. We find that the acceptability of a seemingly singular new wind project is shaped in important ways by people's relations to existing energy infrastructure (such as nuclear and onshore wind) and the wider industrial complex which it expands. We thereby show how RET becomes bound up in deep-seated and uneven patterns of industrial accumulation and saturation, which it can exacerbate.
可再生能源技术(RET)正在向新的领域扩展。技术变革、不断增长的需求和选址限制日益导致RET在已经城市化或工业化的景观中发展。在这里,基础设施环境可能使RET不那么明显和/或破坏性,但它也可能加剧现有问题(例如,环境退化),并因能源转型的不平衡影响而产生新的社会冲突。因此,了解这些变化的地理位置如何影响可再生能源的可接受性是至关重要的。我们以法国敦刻尔克为例,在复杂的社会工业背景下,一个有争议的海上风电项目正在进行。通过43个半结构化访谈和详细的实地观察,我们研究了这个项目的意义和回应是如何被基础设施、机构和社会或经济活动所影响的更广泛的景观所塑造的。我们发现,人们对一个看似单一的新风项目的接受程度,在很大程度上取决于人们与现有能源基础设施(如核能和陆上风能)的关系,以及它所扩展的更广泛的工业综合体。因此,我们展示了RET是如何与根深蒂固的、不平衡的工业积累和饱和模式联系在一起的,这种模式可能会加剧。
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引用次数: 0
Uneven development and the geographies of energy transition in Mozambique 莫桑比克不平衡的发展和能源转型的地域
IF 5.4 2区 地球科学 Q1 GEOGRAPHY Pub Date : 2025-11-21 DOI: 10.1016/j.apgeog.2025.103839
Marcus Power , Lorraine Howe , Joshua Kirshner , Carlos Shenga
In Mozambique, sustainable energy access is an increasing priority for a diverse range of actors seeking to improve livelihoods and stimulate economic development—particularly in rural areas where energy infrastructure remains limited. Drawing on field research conducted as part of a comparative three-year project examining the potential of community energy systems to foster inclusive, just, and clean energy transitions in Southern and East Africa, this paper develops a critical, policy-relevant and geographically grounded analysis of Mozambique's energy transitions, which are unfolding across multiple fronts. Our analysis addresses both the move away from conventional or ‘traditional’ energy sources to ‘modern’ energy services, and the shift toward renewable energy technologies. We argue that while Mozambique has taken important steps toward a cleaner energy future there remain significant constraints to progress and that it is crucial to consider the advancement of renewable energy in relation to the country's embedded resource and extractive geographies that shape the directions, possibilities, and spatial dynamics of transition. We examine the broader policy environment, focusing on the state's energy transition strategy and its implications for energy justice, spatial inequality, and economic opportunity. Particular attention is given to the role and potential of decentralized, off-grid energy systems, emphasizing the need for greater community participation in both policy design and implementation. Finally, we develop a political economy framework to analyse the influence of state institutions, international donors, and private capital in shaping Mozambique's energy transitions, and assess their impacts on energy poverty and the goal of equitable, sustainable energy access.
在莫桑比克,可持续能源获取日益成为寻求改善生计和刺激经济发展的各种行动者的优先事项,特别是在能源基础设施仍然有限的农村地区。作为考察社区能源系统在促进南部和东非包容性、公正和清洁能源转型潜力的一个为期三年的比较项目的一部分,本文利用实地研究,对莫桑比克的能源转型进行了关键的、与政策相关的、基于地理的分析。莫桑比克的能源转型正在多个方面展开。我们的分析既涉及从传统或“传统”能源向“现代”能源服务的转变,也涉及向可再生能源技术的转变。我们认为,尽管莫桑比克已经朝着更清洁的能源未来迈出了重要的一步,但进展仍然存在重大制约因素,考虑可再生能源的进步与该国的内在资源和采掘地理关系至关重要,这些地理关系决定了转型的方向、可能性和空间动态。我们研究了更广泛的政策环境,重点关注国家的能源转型战略及其对能源正义、空间不平等和经济机会的影响。特别注意分散的离网能源系统的作用和潜力,强调需要社区更多地参与政策的设计和执行。最后,我们开发了一个政治经济框架,以分析国家机构、国际捐助者和私人资本在塑造莫桑比克能源转型方面的影响,并评估它们对能源贫困和公平、可持续能源获取目标的影响。
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引用次数: 0
“Flight catering” can have better options for resource, environmental, and health effects: The case of nine major airlines in China “航班餐饮”可以在资源、环境和健康方面有更好的选择:以中国九家主要航空公司为例
IF 5.4 2区 地球科学 Q1 GEOGRAPHY Pub Date : 2025-11-20 DOI: 10.1016/j.apgeog.2025.103840
Yuanyuan Zhu , Rujing Zhao , Xiaohua Zhu , Yan Li
Sustainable dietary patterns are crucial for both health and environmental sustainability. With the rapid development of the aviation industry, flight catering has garnered increasing attention. However, current research on the resource, environmental, and health effects of flight catering requires further investigation. To address this issue, we conducted a case study involving nine major Chinese airlines to evaluate changes in dietary structure and the associated resource and environmental effects of flight catering over 10 years (2014–2023). The total food consumption in China's flight catering showed initial stabilization, a sharp increase, and a subsequent decline from 2014 to 2023. The dietary structure remained minimally changed, dominated by cereals, milk, and vegetables. During the study period, the trends of the water footprint, land requirements, and carbon emissions of China's flight catering were consistent with the trends observed in food consumption, with cereals, milk, meat, and aquatic products accounting for a higher proportion of resource and environmental effects. Compared to the Chinese Dietary Guidelines 2022, China's flight catering exhibited wasteful consumption of water, land, and carbon resources, with higher waste rates for cereals, milk, meat, and aquatic products. Accordingly, we designed three scenarios and observed that the “Green Flight” service effectively mitigates the environmental burden of flight catering. When 70 % of passengers select this service, water, land, and carbon consumption savings were observed. Results emphasized the importance of restructuring the dietary pattern of flight catering by reducing meat and aquatic product consumption to achieve sustainable consumption nationally and globally.
可持续的饮食模式对健康和环境的可持续性都至关重要。随着航空业的快速发展,飞行餐饮越来越受到人们的关注。然而,目前关于航班餐饮的资源、环境和健康影响的研究还需要进一步的研究。为了解决这一问题,我们对中国9家主要航空公司进行了案例研究,评估了10年来(2014-2023年)航班餐饮的饮食结构变化及其相关的资源和环境影响。2014 - 2023年,中国航班餐饮食品消费总量呈现出先稳定后急剧增长后下降的趋势。饮食结构基本保持不变,以谷物、牛奶和蔬菜为主。在研究期间,中国航班餐饮的水足迹、土地需求和碳排放趋势与食品消费趋势一致,谷物、牛奶、肉类和水产品在资源和环境影响中所占比例较高。与《中国膳食指南2022》相比,中国的航班餐饮表现出对水、土地和碳资源的浪费,谷物、牛奶、肉类和水产品的浪费率更高。据此,我们设计了三个场景,观察到“绿色飞行”服务有效减轻了航班餐饮的环境负担。当70%的乘客选择这种服务时,水、土地和碳消耗都得到了节约。结果强调了通过减少肉类和水产品消费来调整航班餐饮饮食结构以实现国家和全球可持续消费的重要性。
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Applied Geography
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