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Critical infrastructure (CI) services are crucial to the functioning of modern communities, and a single CI failure can cause cascading effects through a network of services, impacting an entire city. Challenges such as climate change and rapid urbanisation are increasing the risk of cascading effects of CI failure, particularly impacting the urban poor in peri-urban and informal settlements. This study uses a systems thinking approach to validate the hypothesis if CI services are susceptible to generating severe cascading effects in informal than formal settlements. Qualitative data was collected on cascading effects via interviews and focus group discussion in a formal and an informal settlement in Medellin, Colombia. The responses were analysed and structured using a service chain framework and a Causal Loop Diagram. Our findings show that cascading effects vary between the formal and informal contexts concerning CI service availability and accessibility and may be attributed to differences in demography, geography, socio-economic development, risk regulations, community coping capacities and other factors associated with urban development. [ABSTRACT FROM AUTHOR]

Many cities in Africa are experiencing rapid urbanization where mobility is a catalyst for change. Road infrastructure, especially highways, is being constructed and expanded to ease the flow of motorized traffic especially in primary cities. Little attention, however, is given to the mobility of inhabitants in secondary cities and more so in informal settlements located in these secondary cities. This research explores how the inhabitants of Block H settlement in Rehoboth navigate their daily mobilities. Rehoboth is a satellite city south of Windhoek in Namibia, that is currently experiencing rapid urbanization and demographic change. Through a participatory mapping approach, the study identifies key areas of access for the inhabitants, the challenges they face in accessing these areas, and the opportunities that present themselves for a better mobility landscape within the settlement and around Rehoboth. Journeys to work and shopping are characterized by longer distances, primarily due to their location in the town center, while journeys to school and leisure activities are relatively shorter, benefiting from their proximity to the Block H settlement. Public transport is provided by individuals who operate shared taxis within the town, although these have limitations in terms of accessibility, affordability, and coverage within the settlements, making mobility altogether costly. [ABSTRACT FROM AUTHOR]

AbstractThe governance of informal settlements in China – primarily urban villages – remains a persistent challenge. Recently, some urban village houses have been transformed into long-term rental apartments (LRAs). This highlights a potentially novel approach to addressing the longstanding informality issue, but how the rental market in urban villages has thus been reshaped remains unknown. Examining the case of Shenzhen’s Yuanfen Village through the lens of regulating informality, this paper reveals that (1) new renovations are facilitated by the intermediary management of LRA companies with government consent; (2) the renovation into LRAs involves a balancing process among stakeholders but leaves the illegal aspects untouched; and (3) while the renovation improves the living environment, low-income households are inevitably displaced. This study contributes to a theoretical and practical understanding of regulating informality by challenging the monolithic formal-informal dichotomy and connecting the conceptualization and materialization of continuous and dynamic property rights that enable new possibilities for effective and inclusive management of urban growth. [ABSTRACT FROM AUTHOR]

AbstractRapid urbanization, poverty and socio-economic inequalities are causes of the backlog of informal settlements in South Africa, as dwellers cannot access formal housing schemes. Such unplanned settlements often need more basic services, social facilities and adequate housing. Nevertheless, informal settlements are core parts of the urban form rather than places for eradication. This article examines self-building and community-led upgrading practices in three case studies of partially and non-serviced informal settlements in Durban. It adopts action research participatory methods to coproduce knowledge and map various perspectives around community-led housing upgrading, building materials and construction skills in an effort to enhance community resilience and self-reliance. The findings reveal the key drivers and challenges associated with self-building, informal procurement and overall project management of the housing process. Successful grassroots practices demonstrate community ownership and dweller control beyond the physical upgrading per se. The lessons learned call for inclusive, participatory, and incremental approaches for effective community organization, self-reliance, social capital and livelihood development. [ABSTRACT FROM AUTHOR]

The world is becoming increasingly urbanized, with migration rates often exceeding the infra-structural capacity in cities across the developing world. As such, many migrants must reside in informal settlements that lack civil and health protection infrastructure, including air quality monitoring. Here, geospatial inverse distance weighting and archived Central Pollution Control Board (CPCB) air quality data for neighboring stations from 2018 to 2021 were used to estimate air conditions in five informal settlements in Delhi, India, spanning the 2020 pandemic lockdown. The results showed that WHO limits for PM2.5 and NO2 were exceeded regularly, although air quality improved during the pandemic. Air quality was always better during the monsoon season (44.3 ± 3.47 and 26.9 ± 2.35 μg/m3 for PM2.5 and NO2, respectively) and poorest in the post-monsoon season (180 ± 15.5 and 55.2 ± 3.59 μg/m3 for PM2.5 and NO2). Differences in air quality among settlements were explained by the proximity to major roads and places of open burning, with NO2 levels often being greater near roads and PM2.5 levels being elevated near places with open burning. Field monitoring was performed in 2023 at three settlements and local CPCB stations. Air quality at settlements and their closest station were not significantly different (p < 0.01). However, field data showed that on-site factors within settlements, such as cooking, ad hoc burning, or micro-scale industry, impact air quality on local scales, suggesting health risks are greater in informal settlements because of greater unregulated activity. City-scale models can estimate mean air quality concentrations at unmonitored locations, but caution is needed because such models can miss local exposures that may have the greatest impact on local health. [ABSTRACT FROM AUTHOR]

The global dilemma of informal settlements persists alongside the fast process of urbanization. Various methods for analyzing remotely sensed images to identify informal settlements using semantic segmentation have been extensively researched, resulting in the development of numerous supervised and unsupervised algorithms. Texture-based analysis is a topic extensively studied in the literature. However, it is important to note that approaches that do not utilize a multiresolution strategy are unable to take advantage of the fact that texture exists at different spatial scales. The capacity to do online mapping and precise segmentation on a vast scale while considering the diverse characteristics present in remotely sensed images carries significant consequences. This research presents a novel approach for identifying informal settlements using multiresolution analysis and self-attention techniques. The technique shows potential for being resilient in the presence of inherent variability in remotely sensed images due to its capacity to extract characteristics at many scales and prioritize areas that contain significant information. Segmented pictures underwent an accuracy assessment, where a comparison analysis was conducted based on metrics such as mean intersection over union, precision, recall, F-score, and overall accuracy. The proposed method's robustness is demonstrated by comparing it to various state-of-the-art techniques. This comparison is conducted using remotely sensed images that have different spatial resolutions and informal settlement characteristics. The proposed method achieves a higher accuracy of approximately 95%, even when dealing with significantly different image characteristics. [ABSTRACT FROM AUTHOR]

Within the past few years, pandemics like HIV/AIDS, influenza, and SARS-CoV-2 have become common worldwide. The COVID-19 pandemic, which broke out recently, profoundly impacted the world. As part of containing this pandemic, lockdowns which put a moratorium on human mobility and associational life became a dominant measure. Yet these mobilities and associational life are the lifeblood of migrants and diaspora belonging. This paper examines the impacts of bans on associational life on migrants and, further, what migrants did to continue living in the absence of these associations during the COVID-19 pandemic. The paper is based on a case study of Lydiate informal settlement in Zimbabwe, where Malawian migrants have established an ethnic enclave to shield themselves from the precarity and injustices of foreign lands. Through convivial and digital ethnographic fieldwork, the paper revealed that bans on associational life disrupted community engagements and binding religious associational life, increased targeted violence and "othering," and perpetuated stigma and discrimination and loss of ties with family and fictive kin. However, migrants restructured their associational life by adopting agile and new forms of belonging to get by, including relocating religious shrines to more secretive places or conducting religious ceremonies in the dark, drinking beer within the perimeter of the settlement, using of WhatsApp and instant messaging and WhatsApp groups for important community updates, and collective resistance. I termed these strategies "nimble forms of sociality and belonging," meaning there are lithe mechanisms that migrants employ to further their sociality even when they are restricted. [ABSTRACT FROM AUTHOR]

In informal settlements in the global South, the COVID-19 pandemic exacerbated territorial stigma, health risks and socioeconomic gaps. In the absence of adequate state support, grassroots initiatives emerged to cope with multifaceted impacts. Drawing on a scoping review of the literature on informal settlements vis-à-vis COVID-19, this article discusses the documented built environment risk determinants and the socioeconomic impacts of the pandemic in these areas. Moreover, the article registers informal settlements during the pandemic as 'spaces of quiet resistance', a conceptualisation that captures and foregrounds the nonconfrontational, pragmatic and evasive strategies by non-state agents operating within these communities to cope with the uneven consequences of the health emergency. By analysing the dimensions of risks, impacts and resistance, this study sheds light on the nuanced socio-spatial governance mechanisms that unfold in these communities during crises, which become critical repositories for transformative urban planning. This article was published open access under a CC BY-NC-ND licence: https://creativecommons.org/licenses/by-nc-nd/4.0/. [ABSTRACT FROM AUTHOR]

Adverse Childhood Experiences (ACEs) have been associated with increased risk factors for HIV transmission, but the causal pathway is uncertain. This study documents the prevalence of ACEs by gender and their association with HIV risk factors and assesses depressive symptoms as mediating this relationship. A cross-sectional survey was conducted in 2019 among a representative sample of men and women, aged 18–24 years, living in an informal settlement in Accra, Ghana. Data on sociodemographic characteristics, ACEs, ten HIV risk factors (five sexual behaviors, HIV/AIDS knowledge, sexual assault, three substance use behaviors), and depressive symptoms were collected. Multiple logistic regression models were estimated to assess the independent association between four or more ACEs and each of the ten HIV risk factors. Structural equation models examined depressive symptoms as a mediator in these associations. A third (34.6%) of participants reported four or more ACEs, and among those who experienced four or more ACEs 60% were men and 40% were women. Gender did not modify the effect of the association between four or more ACEs and HIV factors and therefore the multiple regression analysis was not stratified by gender. After controlling for sociodemographic covariates and depressive symptoms, having experienced four or more ACEs was associated with alcohol use (OR = 3.88; 95% CI: 1.34, 11.21), injection drug use (OR = 2.78; 95% CI: 1.15, 6.73), low knowledge of HIV (OR = 3.59; 95% CI: 1.43, 9.00), sexually transmitted infection (OR = 3.70; 95% CI: 1.15, 11.96), and sexual assault (OR = 3.58; 95% CI: 1.07, 12.05). There was some evidence that depressive symptoms could be mediating the association between reporting four or more ACEs and ever having a sexually transmitted infection. The mitigation of ACEs and depressive symptoms has the potential to decrease HIV risk factors and thus reduce the risk for HIV transmission among youth living in informal settlements. [ABSTRACT FROM AUTHOR]

Nature-based Solutions (NbS) are considered to hold promise for addressing the pressing and multi-faceted challenges of climate resilience. Addressing this contemporary agenda, this research paper explores the potential value of NbS in urban contexts based on the experience of implementing four NbS pilots to address climate adaptation and disaster risk reduction in an informal settlement in Honiara, Solomon Islands. The project, funded by the Swedish International Development Cooperation Agency (SIDA), employed an inclusive co-production approach, with the project team engaging closely with community members and local stakeholders throughout the planning, design and implementation stages. Findings reinforce the importance of long-term engagement and trust-building with members of the community and also underscore the value of empowering local partners in project design and implementation in Pacific Island Nations. The paper details the local processes that were involved and highlights the key insights and lessons learned from the proof-of-concept project which can usefully inform the scaling up of NbS initiatives to achieve multiple benefits in other similar urban contexts in the Global South. [ABSTRACT FROM AUTHOR]

The rapid expansion of informal settlements poses significant challenges to urban ecosystems and their services, a pressing issue that this study addresses by examining its impacts in Addis Ababa. This study delves into the impact of informal settlements on ecosystem services in Addis Ababa, comparing them with formal settlements. Utilizing geographic information systems (GIS) and remote sensing, it employed Landsat imagery, aerial photography, and base maps to track spatiotemporal changes and analyze trends. Through a GIS overlay approach, informal settlements and associated land use changes were identified, while the benefit transfer method assessed ecosystem service values. The findings revealed a significant increase in informal settlements on the city's outskirts, expanding from 77 ha in 2009 (2% of the total area) to 765.6 ha in 2023 (21% of the total area). Nearly half (48.5%) of these informal settlements were established on previously natural land covers through encroachment. The research highlighted the ongoing conversion of agricultural land, forests, and urban green spaces into informal settlements, particularly on the city's outskirts, leading to significant encroachment on these areas. This transformation caused an annual loss of $1,665,033.7 in ecosystem services from 2009 to 2023. Significant impacts were identified on food production, climate regulation, and habitat ecosystem services. Overall, the annual loss in ecosystem services due to land use changes amounted to $1,933,320.08. Informal settlements accounted for 86.1% of this total loss, highlighting the urgent need for targeted interventions to mitigate their disproportionate effects on ecosystem services. The study underscores the urgency of addressing the impact of informal settlements on ecosystem services through effective urban planning, sustainable land management practices, prevention of encroachment on natural land covers, and promotion of sustainable ecosystem management and utilization. [ABSTRACT FROM AUTHOR]

This study aimed to examine the association between household water insecurity (HWIS), mother’s handwashing practices, and childhood diarrhea in the peri-urban and informal settlements of Hosanna town. A community-based cross-sectional study involving 424 mothers was carried out in Hosanna town, and the data were collected using a pretested structured questionnaire, HWISE Scale, and an observational checklist. Bivariate and multivariable logistic regression models were used to analyze the data. The study revealed that the prevalence of HWIS and diarrhea among under-five children was 68.6% and 16%, respectively. Only 42.2% of the mothers had good handwashing practices. Good knowledge of handwashing, positive attitudes toward handwashing, household water security (HWS), and the presence of handwashing facilities were significantly associated with good handwashing practices. Children aged 6-11 months, HWIS, uncovered and widemouthed water storage containers, unsafe child’s stool disposal practices, and hands not washed with soap after defecation, before preparing food, and feeding a child were significantly associated with the occurrence of diarrhea. The prevalence of diarrhea and HWIS was very high. The majority of the mothers had poor handwashing practices. Therefore, findings suggest interventions to improve HWS and mother’s handwashing practices, which could reduce the risk of diarrheal diseases. [ABSTRACT FROM AUTHOR]

This article seeks to theorise power and change within informal settlements, manifesting across twin functions of leadership and representation. Adapting the Bourdieusian framework of class-formation, this research locates disproportionate concentration of symbolic resources that initially influence leadership roles but are soon subject to (re)evaluation following the emergence of an educated, dynamic and youthful class. Failure to coherently outline leadership functions de-stabilises the system and prompts multiple nodes of leadership/representation to emerge. Lessons from the paper are consistent with findings around informal settlements that privilege intra-settlement contradictions as key variable(s) in frustrating efforts by planning agencies to consistently apply uniform standards of negotiations. Equally, multiple points of representation prompt a (re)conceptualisation of the margins as rigidly opposed to the local state, instead highlighting tendencies of collaboration/contestation that underline the objective of the urban-poor to get by. [ABSTRACT FROM AUTHOR]

Urban morphogenesis in informal settlements results from occupation, transformation, and morphological extension processes that cause territorial fragmentation, producing inequality and spatial segregation, which are the main characteristics of Latin American informal urbanism. However, there is scarce research on analysing the processes that cause fragmentation. The research develops a morphological analysis that aims to improve the processes of urban assemblage by identifying the dynamics of territorialisation and deterritorialisation promoted by political and social factors, capable of producing spatial discontinuity in the informal morphogenic evolution. As a method, a diachronic analysis is developed by mapping the morphological evolution of the processes of occupation, transformation and extension of networks between 2002 and 2021 on three models of informal settlements in Lima, Mexico City, Medellin and Santiago de Chile for a comparison of cases. As a result, corrective mechanisms called “interface devices” (ID) are obtained, which include the improvement of land management policies and the implementation of gradual interventions according to informal evolution, decreasing urban fragmentation in different phases of territorial evolution and the possibility of being applied in international contexts of the global south.

Abstract The rapid expansion of informal settlements poses significant challenges to urban ecosystems and their services, a pressing issue that this study addresses by examining its impacts in Addis Ababa. This study delves into the impact of informal settlements on ecosystem services in Addis Ababa, comparing them with formal settlements. Utilizing geographic information systems (GIS) and remote sensing, it employed Landsat imagery, aerial photography, and base maps to track spatiotemporal changes and analyze trends. Through a GIS overlay approach, informal settlements and associated land use changes were identified, while the benefit transfer method assessed ecosystem service values. The findings revealed a significant increase in informal settlements on the city’s outskirts, expanding from 77 ha in 2009 (2% of the total area) to 765.6 ha in 2023 (21% of the total area). Nearly half (48.5%) of these informal settlements were established on previously natural land covers through encroachment. The research highlighted the ongoing conversion of agricultural land, forests, and urban green spaces into informal settlements, particularly on the city’s outskirts, leading to significant encroachment on these areas. This transformation caused an annual loss of $1,665,033.7 in ecosystem services from 2009 to 2023. Significant impacts were identified on food production, climate regulation, and habitat ecosystem services. Overall, the annual loss in ecosystem services due to land use changes amounted to $1,933,320.08. Informal settlements accounted for 86.1% of this total loss, highlighting the urgent need for targeted interventions to mitigate their disproportionate effects on ecosystem services. The study underscores the urgency of addressing the impact of informal settlements on ecosystem services through effective urban planning, sustainable land management practices, prevention of encroachment on natural land covers, and promotion of sustainable ecosystem management and utilization.

Informal settlements' geographic and demographic mapping is essential for evaluating human-centric sustainable development in cities, thus fostering the road to Sustainable Development Goal 11. However, fine-grained informal settlements' geographic and demographic information is not well available. To fill the gap, this study proposes an effective framework for both fine-grained geographic and demographic characterisation of informal settlements by integrating openly available remote sensing imagery, points-of-interest (POI), and demographic data. Pixel-level informal settlement is firstly mapped by a hierarchical recognition method with satellite imagery and POI. The patch-scale and city-scale geographic patterns of informal settlements are further analysed with landscape metrics. Spatial-demographic profiles are depicted by linking with the open WorldPop dataset to reveal the demographic pattern. Taking the Guangdong-Hong Kong-Macao Greater Bay Area (GBA) in China as the study area, the experiment demonstrates the effectiveness of informal settlement mapping, with an overall accuracy of 91.82%. The aggregated data and code are released (https://github.com/DongshengChen9/IF4SDG11). The demographic patterns of the informal settlements reveal that Guangzhou and Shenzhen, the two core cities in the GBA, concentrate more on young people living in the informal settlements. While the rapid-developing city Shenzhen shows a more significant trend of gender imbalance in the informal settlements. These findings provide valuable insights into monitoring informal settlements in the urban agglomeration and human-centric urban sustainable development, as well as SDG 11.1.1. [ABSTRACT FROM AUTHOR]

The management of greywater and sanitation in South Africa's urban informal settlements is a pressing concern. This review critically examines the legal framework that governs greywater management in South Africa's informal settlements, aiming to shed light on the existing regulations, gaps, and opportunities for sustainable greywater reuse. By scrutinizing the legal framework, the review identifies gaps and challenges in the regulatory environment, including inconsistencies, lack of clarity, and limited enforcement mechanisms. It explores the potential for international best practices to inform possible amendments to the existing legal framework. This was a quantitative research design utilizing a cross sectional survey model. Questionnaires were administered electronically to a sample of 17 municipal leaders from the City of Tshwane, City of Johannesburg and Buffalo City municipalities whose responsibilities were on water management. Descriptive statistics were employed in analysis of the data. Outcomes were reviewed against the alignment or the lack thereof with the SANS 1732:201x standards. This paper underscores the critical need for a coherent and robust legal framework to support responsible greywater management in South Africa's informal settlements. The paper's insights contribute to the ongoing discourse on water governance, shedding light on the pathways toward a more equitable water future. HIGHLIGHT This review critically examines the legal framework that governs greywater management in South Africa's informal settlements, aiming to shed light on the existing regulations, gaps, and opportunities for sustainable greywater reuse. By scrutinizing the legal framework, the review identifies gaps and challenges in the regulatory environment, including inconsistencies, lack of clarity, and limited enforcement mechanisms.;

Informal healthcare providers (IHPs) often serve as the first point of contact for healthcare services for non-communicable diseases in urban slums and their ability to identify risk factors and symptoms of the diseases is crucial for early detection and management. This paper assesses level of knowledge of hypertension and diabetes mellitus (DM) among IHPs. A cross-sectional survey was conducted in eight slums in Enugu and Onitsha cities in south-eastern Nigeria. Data was collected from 238 IHPs including patent medicine vendors, traditional birth attendants, traditional bonesetters, and herbalists. Knowledge scores were computed for each respondent. Adequate knowledge was set at ≥ 50% score and inadequate knowledge at < 50%. Binary logistic regression analysis was used to identify factors/independent variables associated with adequate knowledge among IHPs. Independent variables in the regression model were seven items that describe the profile of IHPs and can influence their access to information on non-communicable diseases. Knowledge of risk factors and symptoms of hypertension and DM among IHPs was low since only 21 (8.82%) and 19 (7.98%) of them had adequate knowledge of hypertension and DM, respectively. In regression analysis, IHPs who had received formal training in the past demonstrated significantly higher levels of knowledge, with odds of adequate knowledge in hypertension being 14.62 times greater for trained providers, and the odds of adequate knowledge of both non-communicable diseases being 21.34 times greater for trained providers. Training of IHPs is needed to address the critical knowledge deficit of risk factors and symptoms of hypertension and DM. This would contribute to better health outcomes and reduced disease burden in urban slums. [ABSTRACT FROM AUTHOR]

Informative and scalable cartography plays a pivotal role in curbing urban pollution, waste management, and mitigating environmental damage in the development of informal settlements. The contemporary capabilities of cloud computing facilitate streamlined access to comprehensive data repositories, computational infrastructure, and proficient tools that have rapidly advanced the execution of sprawl mapping procedures. This study tests the performance of four machine-learning algorithms, namely: Gradient Boost, K Nearest Neighbor [KNN], Random Forest [RF], and Support Vector Machine [SVM] with data extracted from cloud computing repositories for delineating informal settlements in Gcuwa, Eastern Cape, South Africa, using low-cost datasets. A systematic approach comprising iterative phases, encompassing data acquisition, the development of a training dataset, modeling, and evaluation was employed. The delineation process involved the extraction of both spectral and textural features from Sentinel-2 imagery. The Random Forest algorithm emerged as the top performer, exhibiting the highest levels of accuracy and F1 score, followed by the gradient boosting, support vector machine, and then the K-nearest neighbor algorithms. Consequently, this innovative use of machine learning algorithms with low-cost datasets and the scalable, resilient approach for detecting informal settlements offers a promising avenue for enhancing urban planning and addressing sustainable development challenges. [ABSTRACT FROM AUTHOR]

More than one billion people worldwide are living in urban informal settlements where flood risks are high. Positive collective efficacy beliefs can facilitate community‐level adaptive action. This sub‐study of the Revitalizing Informal Settlements and their Environments (RISE) trial, aimed to identify social and contextual factors influencing residents' collective efficacy appraisals about their settlement's ability to implement community‐level flood prevention, protection and response measures. Forty‐two in‐depth interviews were conducted in 10 settlements in Suva, Fiji using a photovoice methodology. Thematic analysis was used to elicit key themes, which were then interpreted and contextualized collaboratively with the local field team. The most salient influencing factors were formal leadership, shared needs or benefits, collective identity (whether via shared religion, ethnicity or regional/kinship group), past performance experiences and expectations around collective action. While the data revealed some between‐settlement variation on these factors, there was also a large degree of within‐settlement variation concerning perceptions of these factors. Community‐based flood programming should not be undertaken without first assessing the degree to which participants believe that programme objectives reflect shared needs or will yield shared benefits and whether those objectives warrant collective action according to the community's social expectations for participation and contribution. [ABSTRACT FROM AUTHOR]

To investigate the practices of repair that exist for users of mobility assistive products in low resource settings, as well as the psychosocial impact that the repair, or non-repair, of these devices has on users' lives. This article collates data on repair practices and the responses from participants on the topic of repair from studies conducted by the authors across four different low resource settings in Kenya, Uganda, Sierra Leone, and Indonesia. This data was then analyzed to identify the common themes found across geographies. Three major models of repair practice emerged from the data: "Individual or Informal Repair in the Community"; "Local Initiatives"; and "Specialist AT Workshop Repair". Additionally, the wider impact on the participants' lives of "Problems & Concerns with Repair"; "Experiences of Breakages & Frequencies of Repair" and the "Impact of Broken Devices" are explored. The results of this analysis demonstrate the paramount importance of community-based repair of devices, and how despite this importance, repair is often overlooked in the planning and design of assistive products and services. There is a need to further incorporate and support these informal contributions as part of the formal provision systems of assistive device. A lack of available specialist repair services in low resource settings hinders the potential impact of assistive technology provision systems. Community-based repair is the major route by which assistive devices are repaired in low resource settings. Appropriate community-based repair strategies should be incorporated into and supported by the formal assistive technology provision models in order to optimise outcomes. A lack of data on outcomes across the lifecycle of assistive products hinders progress on improving focus on follow-up services – in particular repair & maintenance. By supporting community-based repair, repairs that are inappropriate for that approach could be better directed to specialist repair services. [ABSTRACT FROM AUTHOR]

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Introduction: Understanding the intricate relationship between energy and wellbeing in informal urban settlements is essential for developing effective interventions that address the diverse needs of residents. This paper explores this nexus through a multi-dimensional lens, examining the complexities and dynamics involved in off-grid renewable energy interventions, focusing on solar microgrids in an informal settlement in Cape Town, South Africa. Methods: The paper is based on empirical research analysed through a theoretical framework articulating the pathways through which energy insecurity influences various dimensions of wellbeing, encompassing economic, physical, social, and environmental aspects. By applying this framework to our empirical research, the paper reveals the intricate interplay between neighbourhood factors, housing conditions, social processes, and economic insecurities, shedding light on both the challenges and opportunities associated with off-grid energy interventions. Results: The understanding of wellbeing presented in the paper is based on what we term the energy-wellbeing-informality nexus. Understanding the nexus necessitates: (a) moving past universalist and technocratic understandings of wellbeing, and towards a relational and networked basis for wellbeing analysis; (b) moving beyond conventional narratives of off-grid electrification as mere technical fixes, emphasizing the importance of recognizing informal settlements as sites of innovation and experimentation; (c) understanding the multi-sectoral nature of energy-related wellbeing impacts, extending beyond energy provision to encompass broader dimensions such as education, health, and social cohesion. Discussion: The paper not only advances theoretical understanding but also offers practical insights for policymakers and practitioners. It emphasizes the need for context-sensitive policymaking that acknowledges the complexities of informal settlements and fosters innovative approaches to energy service provision. By integrating energy interventions into broader development strategies and adopting a multi-sectoral perspective, stakeholders can work towards more equitable and resilient solutions that enhance the overall wellbeing of residents in informal urban contexts. [ABSTRACT FROM AUTHOR]

Informal settlements pose multifaceted challenges to urban development, necessitating a reconsideration of traditional upgrading approaches. This study examines the integration of the street-led approach within the Ezbit Hegazi informal settlement, leveraging the Alexandria University Centre of Excellence for Smart Urban Governance's (ALEXU-CoE-SUG's) innovative framework. It highlights the centrality of 'Demand for Good Governance' (DFGG) practices in bridging the gap between governmental (supply-side) and community (demand-side) objectives, fostering a collaborative urban upgrading process. Through an in-depth case study analysis, this paper reveals the potential of aligning governmental agendas with local aspirations, emphasizing the importance of local dynamics in sustainable urban development. The findings indicate that integrating bottom-up community engagement with top-down institutional support can lead to more effective and sustainable urban regeneration. The study concludes that a combined approach, leveraging both grassroots initiatives and formal governance structures, is crucial for the successful upgrading of informal settlements. The findings contribute to the urban studies literature by providing insights into the synergies between supply and demand perspectives in the context of informal settlement upgrading, offering implications for policy and practice in similar urban settings globally. [ABSTRACT FROM AUTHOR]

Informal settlements in major urban areas are often derided through discourses as pockets of poverty, disorder, and marginalisation. Consequently, city planning officials often seek to eliminate or reduce such settlements for more ordered planned settlements. Yet, informal urban settlements continue to remain a part of urban life and have, in many places, increased in size and density. This paper provides an ethnographic account of the place-making activities deployed by informal settlement dwellers in Abuja, Nigeria, who face constant threats of displacement and eviction. We use place-making as an analytic lens with which to explore the discursive, political, and material strategies used by individuals and communities to resist the threats of displacement. Through ethnographic fieldwork in Mabushi and Mpape, we identify, on the one hand, the key material strategies of place-making to include incremental improvement to dwellings, planting of economic trees, and physical confrontations. On the other hand, the formation of settlement associations and active involvement in local politics with its attendant alliance-making have contributed to place-making strategies through the development of meanings, senses of togetherness, and belonging to the settlements. Our findings show the agency of informal settlement dwellers and how they use both material processes and discursive narratives to generate new meanings of place, tenure security, and the right to the city. This enables them to resist displacement from the urban environment. We conclude that a place-making approach to exploring informal settlements is fruitful for understanding the complexity of urban change processes in the Nigerian context. [ABSTRACT FROM AUTHOR]

Diarrhea is a leading cause of death in children globally, mostly due to inadequate sanitary conditions and overcrowding. Poor housing quality and lack of tenure security that characterize informal settlements are key underlying contributors to these risk factors for childhood diarrhea deaths. The objective of this study is to better understand the physical attributes of informal settlement households in Latin American cities that are associated with childhood diarrhea. We used data from a household survey (Encuesta CAF) conducted by the Corporación Andina de Fomento (CAF), using responses from sampled individuals in eleven cities. We created a household deprivation score based on household water and sewage infrastructure, overcrowding, flooring and wall material, and security of tenure. We fitted a multivariable logistic regression model to estimate odds ratios (OR) and 95% confidence intervals (95% CI) to test the association between the deprivation score and its individual components and childhood diarrhea during the prior 2 weeks. We included a total of 4732 households with children, out of which 12.2% had diarrhea in the 2-week period prior to completing the survey. After adjusting for respondent age, gender, and city, we found a higher risk of diarrhea associated with higher household deprivation scores. Specifically, we found that the odds of diarrhea for children living in a mild and severe deprived household were 1.04 (95% CI 0.84–1.28) and 3.19 times (95% CI 1.80–5.63) higher, respectively, in comparison to households with no deprivation. These results highlight the connections between childhood health and deprived living conditions common in informal settlements. [ABSTRACT FROM AUTHOR]

Over the past two hundred years, urban landscapes have changed dramatically as new urban typologies emerged. Of these urban landscapes, informal settlements (IS) are one of the most globally recognizable and widespread urban-scale typologies. Despite consensus that IS maintain marginalized populations in precarious living conditions, they continue to be ubiquitous throughout the world: an estimated one billion people live in marginalized communities. This article utilizes Game Theory (GT) to explain why IS are tolerated, if not embraced, by three primary actors: State, private sector (PrS), and IS residents. The essay briefly explains salient IS urban characteristics and relevant GT concepts. Then, using GT, the essay suggests that IS endure because they produce Nash equilibria (semi-stable) outcomes if all players achieve some desirable payoff. Ultimately, the essay proposes a replicable theoretical framework that can help urban policymakers understand IS formation and persistence as a function of actor incentives, actions, and payoffs. [ABSTRACT FROM AUTHOR]

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Over decades now, urban scholars have highlighted the limitations of floods control measures in facilitating resilience especially in the cities of the global South. In response, studies have researched about how urbanites draw civic engagement, social power, cooperations, collective savings to minimize vulnerability to hazards in cities of the global South. Moreover, the place of mundane practices of marginalized urbanites in the resilience building processes remains understudied. Motivated by the potentials of ordinary practices, we contribute to debates on urban resilience, urban marginality and bottom-up initiatives of urbanites by introducing the everyday practice lens into disaster and risk studies as an alternative way of theorizing urban disaster. Together, we explore the day-to-day acts of marginalized residents in building resilience to flood hazards, by unpacking how residents develop adaptive capacity to flood hazards; recover; and build redundancy of the community sub-systems in the events of floods. We show how the act of building social cohesion and relations in the event of flood works to improve the adaptive capacity of marginalized residents, enable some level of recovery and redundancy of the community sub-systems. The findings suggest that while ordinary social relations and networks may exist loosely among marginalized urban residents in the absence of hazards or disasters, they become constricted bonds that exert influence to foster preliminary recovery from flood hazards. We argue that analyzing ordinary social networks including the (in)visible acts of marginalized urbanites can further understanding about how resilient is built in everyday life in the informal settlements. This paper recommends further studies to pay attention to social differentiations among marginalized groups in fostering resilience to flood hazards and disasters. [ABSTRACT FROM AUTHOR]

AbstractHong Kong offers a unique laboratory for housing studies given its notoriety for housing inequalities. This study utilized participant observation, semi-structured interviews, and photovoice to explore place-making practices in one type of illegalized housing, the residential use of industrial buildings. In contrast to studies of housing inequalities that have typically focused on marginalized communities, we found that the use of industrial buildings was adopted by educated, ‘local’ (i.e. ethnically Chinese) Hong Kongers who aspired towards socio-economic mobility. Place-making required spatial adaptations to sub-standard living environments and acclimation to routine, ongoing fears of detection from law enforcement. We argue that illegality is not necessarily an impediment to place-making, but may serve to mark the temporariness of residential spaces in industrial buildings, a temporariness that accommodates residents’ aspirational socio-economic trajectories more effectively than formal housing markets. In our study, the meaning of a place was not necessarily tied to rootedness or permanence, but rather a liminal temporality enforced by illegality. [ABSTRACT FROM AUTHOR]

The housing encampments in Chile represent urban marginalization in the country. Due to the limited housing options the State provides, these settlements have historically developed forms of organization and struggle in search of their right to the city. Essentially, these actions focus on self-management to obtain a place to live. However, despite sharing similar needs, these groups show diverse forms of struggle. In the current context, with a growing demand for housing in the country, various strategies these groups adopt to integrate into the city can be observed. This article focuses on analyzing the occupation and spatial governance strategies implemented in two encampments located in the city of Temuco, Chile: Los Pinos and Los Ripieros, through a qualitative approach based on the application of a social mapping to the leaders of both settlements and the exploration of narratives related to past and future spatial governance. Differences were identified between these two encampments. Although they share a contiguous physical location and emerged at the same time, the results reveal that, despite initial similarities in urban development, there are differences in the motivations guiding their future actions. While Los Ripieros actively seeks to influence obtaining a permanent housing solution in other sectors of the city, Los Pinos chooses to get involved within the framework of existing urban regulations to secure a housing solution in the same place. These findings enrich the discussion on urban marginality by showing that the struggles for space of excluded groups are centered on the balance between rootedness and obtaining housing. The latter is vital for the state to consider when designing urban policies. [ABSTRACT FROM AUTHOR]

The management of greywater and sanitation in South Africa's urban informal settlements is a pressing concern. This review critically examines the legal framework that governs greywater management in South Africa's informal settlements, aiming to shed light on the existing regulations, gaps, and opportunities for sustainable greywater reuse. By scrutinizing the legal framework, the review identifies gaps and challenges in the regulatory environment, including inconsistencies, lack of clarity, and limited enforcement mechanisms. It explores the potential for international best practices to inform possible amendments to the existing legal framework. This was a quantitative research design utilizing a cross sectional survey model. Questionnaires were administered electronically to a sample of 17 municipal leaders from the City of Tshwane, City of Johannesburg and Buffalo City municipalities whose responsibilities were on water management. Descriptive statistics were employed in analysis of the data. Outcomes were reviewed against the alignment or the lack thereof with the SANS 1732:201x standards. This paper underscores the critical need for a coherent and robust legal framework to support responsible greywater management in South Africa's informal settlements. The paper's insights contribute to the ongoing discourse on water governance, shedding light on the pathways toward a more equitable water future. [ABSTRACT FROM AUTHOR]

Sexual assault is a global threat to adolescent health, but empowerment self-defense (ESD) interventions have shown promise for prevention. This study evaluated the joint implementation of a girls' ESD program and a concurrent boys' program, implemented via a cluster-randomized controlled trial in informal settlements of Nairobi, Kenya, from January 2016 to October 2018. Schools were randomized to the 12-h intervention or 2-h standard of care. Students were randomly sampled to complete surveys at baseline and again at 24 months post-intervention. A total of 3263 girls, ages 10–14, who completed both baseline and follow-up surveys were analyzed; weights were adjusted for dropout. At follow-up, 5.9% (n = 194/3263) of girls reported having been raped in the prior 12 months. Odds of reporting rape were not significantly different in the intervention versus SOC group (OR: 1.21; 95% CI (0.40, 5.21), p = 0.63). Secondary outcomes, social self-efficacy (OR: 1.08; 95% CI (0.95, 1.22), p = 0.22), emotional self-efficacy (OR 1.07; 95% CI (0.89, 1.29), p = 0.49), and academic self-efficacy (OR: 0.90; 95% CI (0.82, 1.00), p = 0.06) were not significantly different. Exploratory analyses of boys' victimization and perpetration are reported. This study improved on previous ESD studies in this setting with longitudinal follow-up of individuals and independent data collection. This study did not show an effect of the intervention on self-reported rape; findings should be interpreted cautiously due to limitations. Sexual assault rates are high in this young population, underscoring a dire need to implement and rigorously test sexual assault prevention interventions in this setting. The trial was registered with Clinical Trials.gov # NCT02771132. Version 3.1 registered on May 2017, first participant enrolled January 2017. [ABSTRACT FROM AUTHOR]

Adolescents comprise approximately 15% of new HIV infections in Kenya. Impoverished living conditions in informal settlements place residents at high risk for HIV infection. We assessed factors associated with HIV infection among adolescents residing in urban informal settlements in Kisumu. We recruited 3,061 adolescent boys and girls aged 15-19. HIV prevalence was 2.5% overall, all newly identified cases were among girls and infection was positively associated with not completing a secondary education (p < .001). Girls who had ever been pregnant (p < .001) or out-of-school without completing a secondary education (p < .001) were more likely to be HIV-positive. Our findings of higher HIV prevalence among adolescent girls who had been pregnant or did not complete secondary school highlight the need to facilitate access to HIV testing, HIV pre-exposure prophylaxis, and sexual and reproductive health services as components of a comprehensive prevention strategy to decrease HIV infections in this priority population.

This study investigates the factors affecting urban housing development in Lusaka, Zambia, a city facing significant challenges due to rapid urbanization and a high prevalence of inadequate housing. Utilizing the Delphi method, data was collected through two iterative rounds from a panel of 10 experts to identify and evaluate 15 factors contributing to poor housing outcomes. The findings reveal that political influence, poor linkage between infrastructure investment and service delivery, lack of access to affordable housing finance, weak urban governance, and high mortgage interest rates are the key factors impeding urban housing development in Lusaka. The study recommends developing an integrated housing planning framework, tailored housing finance products for low-income earners, and promoting governance principles to enhance transparency and accountability in housing development. This research provides valuable insights for policymakers and stakeholders in Sub-Saharan Africa, highlighting socio-economic areas requiring intervention to achieve sustainable urban housing development.

Socio-ecological connectivity highlights the significance of landscape functions as they support communities' resilience in disaster-prone areas. The study aimed to investigate community adaptive capacities in disaster-risk conditions and adopt strategies to reduce vulnerability with the help of landscape functions. Additionally, it intends to examine human-nature relationships by analyzing the perceived importance and performance of each function. Data was collected through questionnaires to obtain residents' perceptions in three sub-districts in Kupang, Indonesia. In addition, two hundred and ninety-four residents were selected as research participants. The results indicate that the overall vulnerability score in three regions is classified as almost vulnerable. Manutapen has high scores in adaptive capacity aspects; however, Airmata has a low score for soil conservation due to the high density of buildings. Respondents in Mantasi and Airmata rely on the provisioning function for daily needs. In Mantasi and Manupaten, the landslide control function is a very high priority. Meanwhile, in Airmata, the main priority should be given to the functions of supporting and regulating. Understanding socio-ecological relationships with attention to the performance of landscape functions is invaluable to supporting sustainable landscape management. It can also ease the pressure of climate change that communities have to contend with.