Urban Sci., Volume 9, Issue 11 (November 2025) – 57 articles

This study investigates how architectural buildings integrating open-space architectural forms that enabled new modes of public space contributed to reshaping civic life in Riyadh between the 1980s and early 1990s. While previous scholarship has largely focused on the city’s infrastructural expansion and planning discourse, it has given limited attention to the role of architecture in producing spatial openness and publicness in culturally conservative, climatically harsh, and state-directed urban contexts. Using a multi-case qualitative methodology, the research examines three landmark projects—Kindy Plaza in the Diplomatic Quarter, Qasr Al-Hukm District, and the Ministry of Municipal and Rural Affairs & Housing—and analyzes their formal configurations, user behaviors, and socio-spatial implications. The findings reveal that these projects introduced varying degrees of “controlled permeability” and hybrid public typologies, enabling shifts in spatial behavior, civic identity, and urban connectivity. Framed within a contextual model synthesizing theories of socially produced space, architectural mediation, relational urbanism, and typological adaptation, the study offers new insights into how architecture can mediate public transformation in non-Western cities undergoing negotiated modernity. The research contributes to broader discourses on urban design, architectural agency, and public life in the Global South. Full article

This study investigates the effects of transportation, specifically public transit, the built environment, and sociodemographic factors on community quality of life (QOL) and individuals’ overall life satisfaction (OLS) in the United States. Using data from the 2017 National Community Livability Survey (NCLS), which includes responses from 994 adults across all 50 states, structural equation modeling (SEM) was applied to examine four latent constructs: the built environment, access to amenities, transportation quality, and support for transit funding. Additional observed variables included perceived importance of public transit, public transit need, ease of travel, and key sociodemographic indicators. Results show that the built environment and transportation quality significantly enhance community QOL but do not have a direct effect on individual OLS. In contrast, support for transit funding has a significant positive effect on individual OLS but not on community QOL. Public transit and walking access to amenities such as parks and recreation facilities, grocery stores, healthcare services, etc., improve both the built environment’s perceptions and community QOL. Interestingly, the perceived importance of public transit negatively influences community QOL, while perceived transit need negatively impacts individual OLS. Ease of travel is the only factor with a significant positive effect on both outcomes. Sociodemographic factors such as gender, age, income, health, education, and race are also found to significantly influence individual life satisfaction. These findings suggest that enhancing perceptions of the built environment, improving transportation quality—particularly public and active transit—and ensuring ease of travel can contribute to improved quality of life. Policies that integrate transportation planning with broader livability and well-being goals may offer more inclusive benefits at both the community and individual levels. Full article

Earth Observation (EO) satellite data are increasingly recognized as strategic tools for environmental monitoring and EU policy implementation, particularly at local levels, where they can enhance planning and service delivery. However, adoption by local and regional authorities (LRAs) remains limited, and their perspectives are underexplored in the academic literature. Widespread adoption of EO data necessitates engagement at the urban scale for mainstreaming space-based innovation in public policy. This article presents exploratory research investigating the perceived affordances and constraints that shape the uptake of EO satellite data by LRAs, as framed by the Technology Affordance and Constraints Theory (TACT). A targeted survey, grounded in TACT and in the technology–organization–environment (TOE) framework, was administered to a pre-selected sample of LRAs involved in EU-funded projects on climate, resilience or data governance. This qualitative exploratory approach, utilizing results from 17 EU countries, highlights the transformative potential of EO for decision-making, while identifying persistent technological, organizational and regulatory constraints. The findings reveal recurring patterns of adoption, concluding with a first overview of policy-oriented recommendations to enhance EO adoption within local authorities. Full article

In recent decades, accelerated urban growth in Arequipa has led to the loss of more than 40% of riparian vegetation and increased ecological fragmentation in the Chili River valley. This transformation has degraded water quality and limited equitable access to green and public spaces. Therefore, this research aims to design a Green Corridor along the Chili River as an ecosystem-based strategy to enhance social connectivity and ecological resilience in Arequipa, Peru. The methodology combined an extensive literature review, a comparative analysis of international case studies, and a territorial diagnosis supported by geospatial and climatic data. The process is supported by digital tools such as Google Earth Pro 2025, AutoCAD 2024, SketchUp Pro 2023, and solar simulations with Ladybug-Grasshopper, complemented by data from SENAMHI, SINIA, and the Solar Atlas of Peru. The results propose a resilient green corridor integrating passive and active sustainability strategies, including 40 photovoltaic panels, 44 solar luminaires, biodigesters producing between 90 and 150 kWh per month, and phytotechnologies capable of absorbing 75,225 kg of CO₂ annually, based on WHO conversion factors adapted to high-altitude conditions. The proposal employs eco-efficient materials such as reforested eucalyptus wood and volcanic sillar, creating recreational and productive spaces that promote social cohesion and circular economy. In conclusion, this study demonstrates the potential of ecosystem-based design to regenerate arid urban riverbanks, harmonizing environmental sustainability, social inclusion, and cultural identity. Thus, the Chili River corridor is consolidated as a replicable model of green-blue infrastructure for Andean cities, aligned with Sustainable Development Goals 6, 7, 11, 12, 13, and 15. Full article

Urban agriculture is increasingly recognized not only for its role in enhancing ecological resilience, food security, and social inclusion, but also for its potential to challenge dominant urban development paradigms. Agroparks, as a spatial typology, have traditionally been associated with multifunctionality, productivity, and land preservation. This Perspective argues that agroparks can also serve as instruments for degrowth-oriented urban transitions, particularly in the context of climate emergency and the need to reconfigure urban land use beyond growth imperatives. Through landscape architectural analysis, the Bernex Agropark (now Parc des Molliers) in Geneva is examined as a spatial prototype that transforms underutilized land into a coherent system of crop zones, civic amenities, and ecological infrastructure. The project demonstrates how landscape architecture can contribute to the regeneration of urban edges while promoting ecological productivity, cooperative stewardship, and spatial limits to urban expansion. We introduce the concept of “Agroparks and Degrowth Urbanism”, framing Bernex as both a post-growth design strategy and a governance experiment. The Perspective concludes with recommendations for integrating agroparks into urban planning: connecting them to green infrastructure networks, prioritizing ecological over economic outputs, enabling commons-based management, and supporting climate adaptation through spatial design and food system relocalization. Full article

In recent decades, urban residents’ perceptions of their surrounding environment have been widely studied, especially pertaining to the association between environmental settings and humans’ psychological wellbeing. Many studies have used aerial imagery to derive environmental properties through image classification to approximate humans’ perceived environment, while a growing number of studies use street view imagery to achieve the same with image segmentation. There is limited research comparing the two approaches. This study aims to examine how the environmental properties derived from aerial and street view images correspond with each other. We utilized two study sites in urban communities in New Jersey, United States. High-resolution aerial images were acquired and classified to derive environmental properties within set buffer zones around sample points where Google Street View images were collected for image segmentation to derive corresponding environmental properties. Several buffer sizes were experimented with. The results show that the amount of greenness and individual environmental elements derived from street view versus aerial images can be quite different at the same locations. The amount of trees derived has a greater concordance between aerial and street views than the amount of buildings derived. The amounts of grass and roads are not in agreement between the two views. Trees derived from street view images correspond with those derived from aerial better when using a small, 30 m buffer. Low-rise buildings and grass agree better when using larger buffer sizes such as 60 m and 100 m. Roads correspond better when larger buffers are employed in green environments, but smaller buffers in environments with limited greenness. Our findings indicate that the choice of buffer size used when combining environmental properties derived from both aerial and street view images together should consider both the environmental elements involved and the type of environmental settings. Full article

Vegetation in urban green spaces plays a critical role in mitigating surface heat, yet the magnitude of this effect remains uncertain across scales and measurement methods. This study assesses the cooling performance during the summer of 94 green spaces in three Chilean cities—classified in three types according to their size—combining satellite-derived land surface temperature (LST) data with high-resolution in situ thermal imaging. We performed comparisons of the cooling effects of green spaces and their components (vegetation, impermeable and semi-permeable surfaces). Spearman’s correlation analysis, the Mann-Whitney U test and Kruskal-Wallis and Dunn post hoc were used to evaluate associations and differences. Results demonstrate that vegetation quantity and composition—particularly tree and shrub cover—are key determinants of cooling performance. In situ measurements reveal that green spaces are on average 9.3 °C cooler than their urban surroundings, substantially exceeding differences captured by LST. Additionally, shaded surfaces within green spaces exhibit temperature reductions of 12 °C to 17 °C compared to sun-exposed areas, underscoring the role of vegetation in mitigating surface heat extremes. These findings challenge the sole reliance on remote sensing for urban heat assessments and highlight the value of integrating ground-based observations. This study advances understanding of vegetation’s localized cooling potential in Latin American cities and provides actionable insights for urban climate resilience planning. Full article

New city developments (NCDs) have significantly increased around the globe, especially in developing countries, to accommodate population growth and foster economic development. However, the uncertain footprint of NCDs often introduces trade-offs between urban expansion and sustainability, underscoring the need for integrated land use change (LUC) management. This study adopts a system-level perspective on LUC modeling to identify indicators and formulate a predictive–preventive framework for sustainable urbanization in NCDs. A bibliometric and Systematic Literature Review (SLR) of Scopus-indexed studies was conducted to extract and classify relevant indicators. The results identified fifty-six predictive indicators across five domains—physical geography, climate environment, socio-economic, urban attraction, and policy and regulation—and two preventive dimensions—environmental sustainability and urban inequality. Predictive indicators reveal how internal urban dynamics drive land expansion, while preventive indicators address ecological vulnerability, spatial equity, and sustainability constraints. This cohesive framework enhances understanding of interrelated factors in urbanization across both city-scale and regional contexts. These insights support more adaptive and proactive land management strategies, have the potential to improve future LUC simulation accuracy, and provide theoretical and practical guidance for sustainable NDC. Full article

Urban energy systems are expected to undergo a rapid transition towards smart, sustainable, and resilient infrastructures. Within this transformation, the interaction between smart buildings and energy grids plays a critical role in shaping future urban energy solutions. Smart building–grid interaction strategies facilitate the bidirectional energy flow between buildings and urban energy systems and support the integration of renewable energy sources (RESs) into cities’ energy systems through advanced control systems, sensing technologies, and digital infrastructures. However, the adoption of these solutions remains complex due to fragmented key performance indicators (KPIs) and the diversity of enabling technologies, and it requires accurate performance-driven design and operation. Despite recent advancements, the management and evaluation of the interaction of smart buildings and urban energy systems remain challenging due to overlapping and fragmented KPIs as well as the complexity of enabling technologies. Therefore, this study aims to review the recently published research works and provide a holistic taxonomy of KPIs and enabling technologies for such interplay between smart buildings and urban energy systems to achieve the goal of sustainable energy transition in cities. The study identifies and categorizes several existing KPIs across sustainability dimensions, including technical, environmental, economic, and social, covering the KPIs to measure the performance of smart building–urban energy systems from a sustainability-aware lens, offering an integrative framework for assessing urban energy resilience and efficiency. Additionally, the study contributes to classifying the enabling technologies for smart building and urban energy system interaction and discusses the interdependencies among such technology clusters. The findings contribute to ongoing urban energy transitions by promoting systemic approaches to planning, performance evaluation, and decision-making for sustainable and equitable urban energy futures. This contributes to the sustainability of the building and energy sectors at the urban scale by promoting and helping multi-dimensional performance assessment and informed decision-making. Full article

Urban streams often suffer from poor water quality, in part due to nutrient pollution, especially in highly developed areas. Poor water quality, driven by high concentrations of nitrate and phosphate entering waterways from runoff, wastewater, and stormwater systems, contributes to urban stream syndrome. This study evaluates the long-term performance of a floating wetland (FW) system installed in a canal of the North Branch of the Chicago River near Goose Island, an area heavily impacted by urban runoff. From 2018 to 2023, surface and subsurface water samples were collected upstream and downstream of a 90 m² FW system and analyzed for nitrate as nitrogen (NO₃-N) and phosphate (PO₄³⁻) using ion chromatography. A paired t-test and two-way ANOVA revealed statistically significant reductions (p < 0.001) in NO₃-N (mean: 1.31 mg/L surface, 1.02 mg/L at 0.3 m) and PO₄³⁻ (mean: 0.64 mg/L surface, 0.57 mg/L at 0.3 m) between waters entering and exiting the FW, with no significant seasonal differences in removal efficiency. These results highlight the FW’s consistent, year-round nutrient mitigation performance driven by plant uptake and microbial processes. Over the five-year period of the study, the FW served as a means of improving the water quality, delivering a sustainable, low-maintenance solution for urban stream management with broader implications for ecological resilience and water quality enhancement. Full article

This study examines how Bulgarian municipalities plan for disasters through the analysis of their municipal disaster protection plans’ public availability. These documents are legally mandated and form the cornerstone of local prevention, preparedness, response, and recovery. The research combined a systematic search for publicly accessible plans across all 265 municipalities with a detailed review of the plans from the 27 regional centers. A GIS dataset was constructed linking municipalities with plan availability, population data, and direct links to documents. The analysis revealed that while most municipalities publish disaster-related documentation, accessibility remains uneven and many documents are hidden in poorly organized websites or uploaded as scanned image-only PDFs, limiting usability. Structural analysis of regional center plans showed that all cover the legally required hazards of earthquake, flood, and nuclear or radiological accidents, but the depth, clarity, and inclusion of additional risks vary widely. Only a few municipalities integrate climate change and emerging hazards, while most remain focused on traditional risks. The findings point to a gap between formal compliance with the Disaster Protection Act and effective public-oriented disaster planning. Full article

Access to safe water and sanitation remains a pressing challenge in Sub-Saharan Africa. Rapid urbanisation, fragile governance, and increasing climate hazards continue to undermine the sustainability of WASH (Water, Sanitation and Hygiene) services. This study examines whether Mozambique’s normative and institutional framework effectively supports sustainable urban WASH service delivery in Beira, the country’s second-largest city. Combining a critical policy review with six semi-structured interviews involving institutional actors and community leaders, the research employs a qualitative, phenomenological design to explore the interaction between national frameworks and local practices. Findings reveal five interrelated dimensions shaping sustainability: governance coordination, infrastructure robustness and maintenance, community participation, climate resilience, and financial viability. Although post-disaster investments and recent policy reforms have led to improvements, significant challenges persist. These include overlapping institutional mandates, underdeveloped preventive maintenance systems, limited recognition and support for community-led initiatives, fragmented climate adaptation efforts, and strong dependence on external funding. The study also reveals how historical legacies, particularly colonial-era governance structures, continue to shape water and sanitation delivery. By integrating policy analysis with local perspectives, the paper contributes to debates on WASH sustainability in African cities, particularly in climate-vulnerable secondary urban centres. It highlights the need for systemic reforms that clarify institutional roles, institutionalise maintenance practices, formalise community engagement, embed nature-based adaptation strategies, and strengthen financial transparency. These changes are essential if Beira, and similar cities across sub-Saharan Africa, are to achieve Sustainable Development Goal 6 under mounting climate pressure. Full article

As urban areas in developing countries, including South Africa, continue to grapple with the adverse challenges of climate change and rapid population growth, there is an increasing call for nature-inspired solutions. This is because nature-based solutions (NbSs) can significantly enhance urban resilience by managing stormwater, reducing flooding and creating livable spaces within urban centers. One such NbS is permeable pavement, which has gained attention for its ability to allow water to infiltrate rather than run off. However, while its use is growing in developed nations, the story is not the same in South Africa, where the literature is silent on its usage and issues of flooding and other associated disasters have persisted. Therefore, this study adopts a post-positivist approach to investigate the application and challenges of permeable pavements as an NbS in South African urban areas. The study reveals a low level of permeable pavement use, albeit an encouraging level of awareness among built environment professionals. Covariance-based structural equation modelling further revealed the significant causes of this poor application. The findings provide valuable insights for policymakers to create incentives and frameworks that promote permeable pavement adoption in urban areas facing environmental challenges. Moreover, this research contributes to the limited literature on NbSs in South Africa, offering a foundation for future studies and addressing the pressing need for innovative solutions to flooding and urban resilience. Full article

The paper presents a theoretical reflection on accessibility, developed through dialogue between an architect and a philosopher. It explores the cultural horizon of a transdisciplinary discipline whose conceptual boundaries remain fluid and examines the role accessibility can play in creating a freer and more inclusive society. At the core of the paper lies the concept of accessibility as a Cultural Generative Ecosystem, a dynamic and evolving construct through which accessibility operates as a transformative force. This ecosystem is embedded within a conceptual framework structured around specific Fields of Inquiry (Relational, Spatial, Institutional) and Domains (Person, Society, Environment). In this perspective, accessibility is presented as a complex process rooted in humanistic values and grounded in care ethics, phenomenological experience, and human rights. The paper highlights the potential of accessibility to counter diversity-related discrimination, promote empowerment, and guide the transformation of human habitats in line with people’s needs and expectations. At the same time, it acknowledges the objective and cultural challenges involved in cultivating an accessibility-oriented mindset. Following a comprehensive theoretical and methodological groundwork that lays the foundation for a broader conceptual reframing of accessibility, the paper identifies six conceptual determinants that define its complexity in the built environment, particularly in relation to disability and the relational nature of public space. These determinants—polysemous, contextual, multi-scalar and relational, corporeal and spatial-temporal, multi-criteria, and multi-component—are examined in relation to the four interwoven dimensions that structure the Cultural Generative Ecosystem of accessibility: technical, social, organizational, and generative. Together, they offer a framework for rethinking inclusive design as a situated, relational, and ethically grounded practice. Full article

This study investigates the environmental impact of combined missile and drone attacks on Kyiv, the capital of Ukraine, with a focus on the release of particulate matter (PM) into the urban atmosphere. These military strikes frequently result in the destruction of residential and industrial infrastructure, as well as fires, leading to acute increases in ambient concentrations of fine particulate matter (PM2.5). Observational data were collected between 1 and 30 June 2025 using a distributed network of low-cost air quality monitoring stations aggregated by the SaveEcoBot platform. The optical particle counters, based on light scattering technology, enable real-time monitoring of airborne particulate fractions of PM2.5 along with meteorological parameters and gas pollutants. The study period included two significant attacks (10 and 17 June), during which the temporal and spatial dynamics of PM2.5 concentrations were analyzed in comparison to baseline levels observed under non-attack conditions. Raw concentrations of PM2.5 up to 241 μg/m³ were observed in the epicenters of air-strike-induced fires, while smog plumes covered half of the city area. Elevated PM2.5 concentrations were recorded during and for several hours following the attacks and corresponding air raid alerts. The findings show days of PM2.5 exceedances above the World Health Organization (WHO) daily threshold of 15 μg/m³. These results underscore the acute environmental and public health hazards posed by military assaults on urban centers. Furthermore, this research highlights the role of citizen-driven environmental monitoring as a valuable tool for both scientific documentation and potential evidentiary support in assessing the environmental impacts of warfare. Full article

In this cross-sectional, ecological study of Los Angeles County ZIP codes, we evaluated the association between tree canopy coverage and asthma prevalence. Urban tree canopy has been promoted as a way to improve air quality and mitigate urban heat, but its relationship with asthma is not well established. Previous studies have shown mixed results, and little is known about whether associations differ between children and adults or across communities with varying demographic compositions. This study evaluated the association between tree canopy coverage and asthma prevalence across Los Angeles County ZIP codes. Data from 75 ZIP codes with complete information on canopy cover and asthma prevalence were analyzed using correlation, t-tests, and regression models adjusting for population density and minority population composition. Greater canopy coverage was associated with lower pediatric asthma prevalence (β = −0.625, p < 0.001); pediatric rates were 12.7% in low-canopy ZIP codes compared with 10.5% in high-canopy ZIP codes (t = 6.07, p < 0.001). This inverse relationship was stronger in ZIP codes with higher minority populations (interaction β = –0.0145, p = 0.006). In contrast, canopy coverage showed a weak but statistically significant positive association with adult asthma prevalence (β = 0.33, p < 0.001). These findings suggest that urban tree canopy may play a role in reducing pediatric asthma disparities, underscoring the potential of equitable urban forestry strategies as part of public health planning. Full article

Urban fragmentation has emerged as a central issue in the study of socio-spatial dynamics in contemporary cities, reflecting processes of inequality, segregation, and spatial discontinuities. This article introduces a new methodological approach to measure fragmentation by focusing on discontinuities at limits rather than on the content of statistical units alone. The method applies robust standardization of selected socioeconomic variables—higher education, foreign-born population, and low-income population—at the census tract scale in the city of Lleida, Spain. Rupture intensity is measured through a Rupture Intensity Index, which integrates standardized differences across 217 limits. Principal component analysis identifies the most influential variables, while cluster analysis characterizes the multidimensional nature of limits. Results show that fragmentation in Lleida does not follow a simple center–periphery model but a tessellated pattern of fracture lines and gradient zones. Intense fractures emerge at borders between advantaged and disadvantaged neighborhoods, whereas gradients mark gradual transitions. The study demonstrates that limits are critical sites for observing and quantifying urban fragmentation and proposes a transferable methodology for comparative research and urban policy design in diverse urban contexts. This approach provides a replicable tool for urban analysis and the design of cohesion-oriented policies. Full article

In this research, an innovative, integrative method is applied, which not only links media discourse and statutory planning documents but also involves both quantitative and qualitative analysis. By going beyond the traditional extreme of either policy review or text-based SETS frameworks, this study becomes the pioneer of a dual-coded, matrix-driven approach, which is capable of measuring policy–implementation gaps and empirically revealing the impact of media framing on disaster management outcomes. The 29 October 2024 Valencia flood, which claimed over 229 lives, highlights critical shortcomings in the region’s flood management policies. This study evaluates media and institutional sources to examine how public discourse aligns with post-flood management strategies. It focuses on Valencia’s statutory flood management plan, the “Pla d’acció territorial de caràcter sectorial sobre prevenció del risc d’inundació a la Comunitat Valenciana” (“Regional Action Plan for Flood Risk Prevention,” PATRICOVA) and its limited integration with the Socio–Ecological–Technological Systems (SETS) framework, which we identify as a central weakness. By analyzing Spanish media coverage, particularly from sources such as El País, ABC, and La Vanguardia, alongside government policy documents, the study reveals a gap between theoretical flood risk planning and practical disaster response. Our keyword-based text mining of leading newspapers highlights the neglect of social, ecological, and technological interactions. While PATRICOVA emphasizes nature protection and technological infrastructure, it overlooks critical societal dimensions and climate adaptation scenarios. Media analysis reveals significant failures at the SETS interfaces, especially in early warning systems, intergovernmental coordination, and community preparedness. Full article

Permeable pavement is commonly used for urban stormwater management and urban heat island mitigation. It has been proven that permeable pavement has such benefits; however, the clogged permeable pavement could lose its function, and there are relatively few studies on its long-term monitoring. This study monitored an in-use permeable sidewalk in central Taipei City, Taiwan, and presented its four-year performance. In the study area, the permeable sidewalk occupies nearly half of the drainage area. The onsite data showed that the average runoff reduction rate in the first year (2021) was 41.2% but decreased to 28.8% in the fourth year (2024). The differences in runoff reduction rate between different rainfall patterns are also discussed. If the permeable pavement is not cleaned, it might lose its permeability after 7 years. The results of the surface temperature monitoring show that the average surface temperature of permeable pavement is maintained at 28.8 °C over the four-year period, whereas the surface temperature of impermeable pavement increases annually. This finding verified that permeable pavement is helpful in stabilizing surface temperatures in urban areas, thereby combating the warming environment. In addition, Wet Bulb Globe Temperature (WBGT) was tested in this study. The results of WBGT showed that the WBGT above the permeable pavement is lower than that on impermeable pavements by about 1–2 °C from 12 p.m. to 16 p.m. This implies that permeable pavement may contribute to a comfortable thermal environment for the public. The results of this study provide crucial information for maintaining permeable pavement and enhancing its beneficial functions. Full article

This study aimed to examine the potential influence of backyard poultry farming, which can be readily established in urban and peri-urban environments, on the production capacity of backyard poultry and its potential contribution to food security among low-income households. Publicly accessible secondary microdata from the 2022 Bangladesh Demographic and Health Survey were used. To account for the non-random nature of backyard poultry-keeping decisions, the Heckman selection model was applied to estimate both the probability of engaging in poultry farming and the number of birds raised. The study revealed that over 20% of urban households and more than 30% of the poorest 11% households engaged in poultry farming. Although the number of birds raised is generally lower, the proportion of households raising poultry is higher among poorer households than among wealthier households. Among the poorest 11% households, the estimated per capita production of meat and eggs from backyard poultry farming was expected to be 5.4 g and 6.8 g per day, respectively. Due to data constraints, we compare production estimates with stratum-level consumption averages, providing an indication of potential contribution rather than household-level self-sufficiency. This comparison suggests that backyard poultry could serve as an important supplementary source, potentially contributing to approximately 15% of meat consumption and 47% of egg consumption for participating households from the lowest income strata. Full article

Smart Tourism Destinations (DTIs) represent innovative places established on the basis of an infrastructure of advanced technology, whose objective is to promote accessible, sustainable development for tourist regions to enrich tourist’s experiences and inhabitants’ quality of life. Therefore, the main objective of this research is to verify whether the phenomenon indicators of existing smart tourist destinations fit within all dimensions of a smart tourist destination. For data collection, the bibliographic survey method was used in renowned databases. Data analysis comprises two approaches, bibliometric and content analysis, applied sequentially. The results of the bibliometric analysis identify three main pillars in the current perspectives on DTIs: Management and Tourism Experience, Technology, and Sustainability, in addition, it revealed a duality between approaches from the Far East and Western Europe. The content analysis culminates in the proposition of two theoretical-conceptual models for the dimensions and indicators of DTIs, encompassing elements: Information and Communication Technologies (TICs), Governance, Innovation, Accessibility, Performance, Mobility and Infrastructure, as well as Segmented Sustainability in its economic, social, and environmental dimensions. However, the analysis highlights the lack of consensus among studies, especially DTI indicators. The results of the research highlight the insufficiency of these indicators for a comprehensive assessment, notably in the environmental dimension of sustainability. Full article

Landscape fragmentation is a dynamic process with multiple effects. In addition to reducing the area of priority ecosystems such as mangroves, it also generates alterations in ecological functions and environmental processes, with significant socioeconomic and ecological consequences. The objective of this research was to determine the impact of anthropic development on landscape fragmentation within the Environmental System (ES) that includes the Arroyo Moreno Ecological Reserve (REAM) and the Tembladeras-Laguna Olmeca Ecological Reserve (RETLO), located in central Veracruz Mexico. Fragstats V4.3 Beta software was used to analyze landscape metrics at the patch, class, and landscape levels, using nine indicator metrics for assessing fragmentation. The analysis of the metrics at the three levels showed a reduction in the total area for some classes such as Mangrove (MG), Water Bodies (WB), and Agricultural and Livestock (AL). Class-level metrics such as total area, percentage of landscape, and number of patches showed greater differences for some classes between 2001 and 2023. However, some values increased in 2015. However, this research is considered the first study conducted in the area to comprehensively use a set of landscape metrics at three organizational levels, offering a more accurate description of the status of priority ecosystems (RAMSAR sites) such as the wetlands of the coastal zone of Veracruz. It also demonstrated the importance of the constantly expanding anthropic development in the study area over the last 20 years and the potential pressure it exerts on biodiversity conservation sites such as wetlands. Full article

Public housing tenants in many countries have multiple challenges, often including socioeconomic disadvantage, family health and disability limitations, and compromised potential to earn income. An understanding of this group’s travel behaviours is particularly salient when policies to limit carbon emissions are being considered because such policies can exacerbate transport inequities. The current study makes use of an ongoing national travel survey in New Zealand that uses in-person interviews. We studied travel behaviours from neighbourhoods with mostly public housing tenants compared to other areas with no, or low numbers of, public housing tenants. Respondents from public-housing-intensive areas tended to be younger, have lower incomes, have more dependent children, have fewer household vehicles, and reside in areas with the highest levels of socioeconomic deprivation, all features that are known to affect travel patterns. The public-housing-intensive areas had a much higher proportion of trips made as passengers and hence higher levels of car occupancy than people living in other areas. The distance driven per person was less than half that of other areas, as were carbon emissions per person arising from private vehicle travel. Public housing providers and transport planners need to collaborate so that public housing is close to public transport and active transport facilities to allow tenants ready access. Public housing tenants are likely to suffer aspects of transport poverty, and where policies designed to limit carbon emissions increase the price of fossil-fuelled private car travel, other affordable and accessible transport options need to be available. Full article

The storage of different forms of energy is becoming increasingly important in the energy system sector, due to the significant fluctuations that renewable energy sources influence on urban energy systems. Nowadays, these sources have been promoted for the transition towards modern energy systems at different scales, due to their reduced emissions of greenhouse gases. Yet, many doubts remain about their efficacy in urban settlements worldwide. For this reason, to promote the fast implementation of renewable energy technologies around the world, it is of great importance to design and develop free-access and user-friendly tools to help stakeholders in the planning and management of urban energy districts. The present study has proposed an evaluation tool to model decentralised energy storage systems using Urban Building Energy Models, including an optimisation method to size the best capacity in each building of a district. The developed models simulate two storage technologies: battery power banks and heated water tanks. To present the outcomes of the tool, these models have been tested in two scenarios of Portugal, located in a densely populated area and the most isolated region of the country. Among the most important findings of the results are their ability to evaluate the performance of individual buildings by group archetype and total district metrics, using different temporal periods in a single model to identify the buildings taking most advantage of storage technologies. In addition, the optimisation algorithm efficiently estimated the ideal size of each storage technology, reducing the need of unnecessary capacity. Full article

Spatial distribution of trace elements (TEs) in soils of the city of Dschang (Cameroon) was studied to identify their origin (geogenic vs. anthropogenic). The topsoil (at different depths) of 71 sites was analyzed using the rapid portable X-ray fluorescence analysis method. Soils from locations associated with metal-related activities exhibited the highest levels of contamination (average concentrations in mg kg⁻¹: As, 8.2; Cr, 213.7; Cu, 201.8; Pb, 97.4; Zn, 838.0), followed by household waste dumps and agricultural plots (levels close to those of cultivated low-lying areas). The observed decrease in TE concentrations with depth (notably for Zn) supports the hypothesis of a human origin (compared with soil-geochemical background of control sites). Geostatistical approach indicated an underestimation of health risks associated with the consumption of crops from several sites. Specifically, 87.32%, 49.30%, and 47.89% of the sites exceeded the Food Crops Reference Value (FCRV) for Cr, Zn, and Cu, respectively. Additionally, the number of contaminated sites for each TE varies depending on the method: Cu > Zn > Pb > Cr > As = Ni > Cd and Cr > Zn > Cu > Ni > Pb > As > Cd with the geostatistical and FCRV approach respectively. From the first step of the soil chemical quality investigation, our study highlights the need to use methods based on health risks, especially for sensitive uses of soils such as food production. Full article

Cities around the world are facing growing challenges related to climate change, urban sprawl, infrastructure strain, and digital transformation. In response, smart and sustainable urban development has become a global focus, aiming to integrate technology and environmental stewardship to improve the quality of life. The smart and sustainable city concept is typically applied at the city scale; however, its impact is most tangible at the neighborhood level, where residents interact directly with infrastructure, services, and community spaces. A variety of global frameworks have been developed to assess sustainability and technological integration. However, these models often fall short in addressing localized needs, particularly in regions with distinct environmental and cultural contexts. In Saudi Arabia, Vision 2030 emphasizes livability, sustainability, and digital transformation, yet there remains a lack of tailored tools to evaluate smart and sustainable progress at the neighborhood scale. This study develops HayyScore, a localized evaluation framework and prototype digital platform developed to assess neighborhood performance across five core categories: (i) Environment and Urban Resilience, (ii) Smart Infrastructure and Governance, (iii) Mobility and Accessibility, (iv) Quality of Life and Social Inclusion, and (v) Economy and Innovation. The HayyScore platform operationalizes this framework through an interactive web-based tool that allows users to input data through structured forms, calculate scores, receive category-based and overall certification levels, and view results through visual dashboards. The methodology involved a comprehensive review of global frameworks, expert input to define localized indicators, and iterative prototyping of the platform using Python 3.13.5 and Streamlit 1.45.1. To demonstrate its practical application, the prototype was tested on two Saudi neighborhoods: King Abdullah Petroleum Studies and Research Center (KAPSARC) and King Fahd University of Petroleum and Minerals (KFUPM). Key platform features include automated scoring logic, category weighting, certification generation, dynamic performance charts, and a rankings page for comparing multiple neighborhoods. The platform is designed to be scalable, with the ability to add new indicators, support multilingual access, and integrate with real-time data systems in future iterations. Full article

This study examines the evolution of the Yellow River Basin’s urban corporate network from 2003 to 2023, aiming to understand how intercity connectivity and decision-making authority have developed. Using headquarters–subsidiary linkages of listed firms, we measure connectivity and control of cities within the urban system and employ spatial error models to identify their main determinants. The results show that the network has become denser and more geographically inclusive, especially in the middle and lower reaches. However, a clear hierarchy remains, and upstream integration stays limited. Community structures are anchored by capitals, and multi-core patterns strengthen over time. Coastal hubs in Shandong handle the most significant volumes of ties, while interior capitals such as Zhengzhou, Lanzhou, Xi’an, and Taiyuan concentrate authority—a contrast that has intensified since 2013. Connectivity and control often diverge, and disparities in both have increased. Administrative rank remains the strongest predictor of a city’s position, although its influence has decreased as factors such as openness, development, producer services, and innovation have gained importance. Transportation accessibility and human capital consistently support both connectivity and control, while government intervention initially restricts network roles but becomes less influential over time. These findings suggest that intercity corporate linkages have expanded, yet decision-making authority has not dispersed and remains concentrated in a small set of capitals. Governance that coordinates across provinces is necessary to ensure that increasing linkages translate into shared economic opportunities while protecting the basin’s fragile ecological environment. Full article

Urban air pollution in Kazakhstan poses persistent risks; this study synthesizes measured concentrations, source evidence, and policy responses to inform mitigation in cold, inversion-prone cities. We compile national monitoring (Kazhydromet), community PM_2.5 sensors, emissions inventories and recent CEMS provisions, and appraise modeling approaches (Gaussian screening, Eulerian CTMs, and data-driven forecasting). Seasonal descriptive comparisons are performed for Astana using 56,944 observations (2023–2024), partitioned into heating and non-heating periods, and published receptor apportionment is integrated. Across major cities, annual PM_2.5 generally exceeds WHO guidelines and winter stagnation drives episodes. In Astana, the heating season means rose relative to non-heating equivalents—PM_2.5 12.3 vs. 10.6 μg m⁻³ (+16%) and SO₂ 21.9 vs. 14.8 μg m⁻³ (+23%)—while NO was unchanged; higher means but lower medians indicate episodic winter peaks. Receptor analyses attribute large shares of PM_2.5 to traffic (spark-ignition engines 30% and diesel 7%) and coal-related contributions including secondary nitrate (15%), consistent with power/heat and vehicle dominance. Evidence supports prioritizing clean heating (coal-to-gas and efficiency), transport emission controls, and dense monitoring to enable accountability within Kazakhstan’s Environmental Code and decarbonization strategy. A tiered modeling workflow can quantify intervention impacts and deweather trends; the near-term focus should be on reducing winter exposures. Full article

Urban trees play a critical role in mitigating climate change by capturing atmospheric CO₂ and providing multiple co-benefits, including cooling urban environments, reducing building energy demand, and enhancing citizens’ physical and psychological well-being. This study presents the Co Carbon Trees Measurement project, a citizen science initiative implemented in the city of Viladecans, Spain, involving 658 students, local administration, and academia, three components of the EU mission’s quadruple helix governance model. Over one year, 1274 urban trees were measured for trunk diameter and height to quantify annual CO₂ sequestration using a direct measurement approach combining field data collection with a mobile application for a height assessment and a flexible measuring tape for diameter. Results indicate that carbon fixation increases with tree size, displaying a parabolic function with larger trees sequestering significantly more CO₂. A range between 10 and 20 kg of CO₂ is sequestered by the urban trees in the period 2024–2025. The study also highlights the broader benefits of urban trees, including shading, mitigation of the urban heat island effect, and positive impacts on mental health and social cohesion. While the total CO₂ captured in Viladecans (≈810 tons/year) is small relative to city emissions (≈170,000 tons/year), the methodology demonstrates a scalable, replicable approach for monitoring progress toward climate neutrality and integrating urban trees into planning and climate action strategies. This approach positions green infrastructure as a central component of sustainable and resilient urban development. Full article