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Dissertation
Metrics defining success of Nature-based Solutions (NbS) in coastal systems

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In a world where climate change has brought in a new era of unpredictable weather patterns and rising sea levels, the challenge of urbanization calls for spaces that combine quality of life and safety. With a substantial proportion of the world's population living in low-lying coastal areas, the importance of coastal and marine environments is emphasised. As a beacon of hope among these challenges, Nature-based Solutions (NbS) offer a multi-faceted approach rooted in the dynamics of nature. At their core, NbS solutions are inspired by natural systems that address various societal challenges and result in more resilient societies. These solutions are not only related to disaster risk reduction (DRR) and flood risk management (FRM), but also make valuable contributions to achieving the Sustainable Development Goals (SDGs), the Paris Agreement, the Convention on Biological Diversity (CBD) and other global action plans because of their multifaceted benefits. This research examines the metrics that determine the success of NbS within coastal and marine ecosystems. Two main research questions are central: “What are he key drivers and limitations to achieving success in NbS in coastal communities?” and “How can success of NbS projects be measured and evaluated?”. To answer these questions, a dataset of 80 well-reported NbS projects was compiled. The methodology used in this master's thesis is an exploratory approach, investigating and delineating the success factors of NbS within coastal systems. Analysis of the dataset shows that successful NbS projects overshadow the unsuccessful ones. In particular, wetlands and beach systems take centre stage, often concentrated in countries such as the UK, the Netherlands and Belgium. A wide range of co-benefits also emerge, including social, environmental and economic dimensions. Remarkably, NbS initiatives aimed at flood mitigation are consistently successful. However, projects aimed at erosion control or biodiversity conservation/restoration show a more nuanced picture, indicating the potential effectiveness of NbS in flood risk management. Furthermore, the main motivations for choosing NbS are usually related to a combination of factors and include 1) coastal defence improvement, 2) policy context and 3) sustainability. Moreover, the analysis shows that there was a steady upward trend in the number of lessons learned over the years. Most of these insights were reported between 2000 and 2018, with a notable increase in the implementation of NbS projects, especially since 2005. Despite these interesting findings, gaps in understanding remain. These gaps highlight the need for ongoing research and pilot testing to refine and optimize NbS approaches. Importantly, this master's thesis highlights that achieving success with NbS is closely linked to collaboration between different stakeholders, leveraging diverse expertise, securing financial resources and the adaptive capacity of natural systems. Ultimately, this research highlights a promising way forward and offers insights that can guide the development and implementation of Nature-based Solutions in coastal areas, promoting resilience in the face of complex challenges.

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Dissertation
The interaction between policymakers and consulted experts throughout the COVID-19 crisis in Belgium: A post-normal science-based analysis.

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The Right to Stay: Fighting Forced Evictions in Mukuru

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Over the last decades, the rate of urbanization in Sub-saharan Africa and other cities in the global South has been on an upward trajectory. However, the increase in urban population has not been accompanied by improvements in infrastructure and other services such as housing, putting immense pressure on urban areas. The lack of proper housing policies that guarantee accessibility and affordability of decent housing has led to the proliferation of slums and informal settlements. Due to the unclear tenure, these settlements have been spaces of contestation, tension, and conflict between various actors. The interaction between such factors is evident through constant evictions in informal settlements. Evictions render citizens homeless, violating their right to adequate housing and a range of other rights such as the right to life. Mukuru settlement is one of the largest informal settlements in Nairobi, Kenya’s capital. The settlement is adjacent to Nairobi’s industrial area and seven kilometers from the Central Business District (CBD). Due to its strategic location, Mukuru is home to around 300,000 people, most of whom work or are looking for employment opportunities in adjacent industries or the CBD. However, irregular land allocations have led to increased evictions and conflicts between residents and the private individuals claiming the land. In addition to conflicts arising from land tenure, residents here suffer from the “poverty penalty,” which is evident through the minimal provision of social and physical infrastructural services and the high price that residents have to pay to access these sub-optimal services. All these challenges represent a denial of the rights of the people living in Mukuru. In 2017, the settlement was declared a Special Planning Area (SPA). Under the declaration, the city government was required to prepare an integrated development that would be used as a blueprint to improve livelihoods and solve the eviction crisis. Therefore, this thesis is guided by the following question: How and to what extent does the declaration of the Mukuru SPA prevent forced evictions and guarantee the right to adequate housing? The study adopts the right to the city framework to answer this question. As various scholars have discussed, the openness of the right to the city can be open to misuse and misinterpretation. Using the framework requires a definition of what kind of right is being discussed, whose right it is and how the right is claimed. This study anchors the right to the city on a human rights approach, placing the Mukuru residents at the centre of the claim. Finally, the study was carried out using qualitative methods. Most of the data was gathered through secondary sources, with two Key expert interviews carried out to gain further understanding of the case. The Kenyan government has made considerable steps in enacting laws that govern evictions. Additionally, the declaration of the SPA represented the government’s response to the cry and demand of thousands of people living in Mukuru whose rights have been denied and violated over the years. The planning process was bottom-led and succeeded in providing the required solutions. However, as this study has uncovered, the plan's current implementation is impeding the potential that it holds.

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Dissertation
How about having kids? Future family perspectives of young environmental activists

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The recent decrease in the global fertility rate has been explained by an increase in family planning access and periods of economic decline. However, during the last years, an additional factor has gained prominence in public debates to justify such reduction: the movement to not have children due to fears over climate change. Previous research has primarily focused on the policy implications of the decrease in fertility rates and thus, few studies have reflected on how individuals factor climate change into their own reproductive choices. This research discusses the results of a series of semi-structured interviews to activists from new environmental movements such as Extinction Rebellion (XR) and Fridays For Future (FFF) in the light of scholarship about ecological ethics of reproduction, governmentality and prefiguration. The interviews, which inquiry about the activists’ current reproductive plans and choices show that these young adults share an overwhelmingly negative expectation of the future due to climate change which influences their decision to not have biological children.

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Dissertation
Depopulation and regional development in the Japanese rural area - A case study of Miyazaki prefecture

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Rural depopulation undermines the rural community's social and cultural capital and economic condition. Japanese Rural municipalities have experienced rapid depopulation decline and an ageing population over the past three decades. Historically, the reason behind depopulation is linked with such as a change in agricultural practice, employment, and educational opportunities. To mitigate rapid depopulation, the Japanese government has introduced rural exchange programmes. The study also takes notice of social innovation, which plays an integral role in neo-endogenous rural development. The main goal of this research is to analyse the factors for rural depopulation and whether the rural exchange programme fosters social innovation and materialises regional development. This study conducted spatial analysis and qualitative analysis to answer research questions, and the hilly-mountainous (rural) area in the Miyazaki prefecture was selected as the study area. The result of spatial analysis implies spatial patterns of depopulation in the study area. Especially, there is spatial autocorrelation with the district's geographic, demographic, and economic characteristics. The result of regression analysis shows that economic factors, the higher percentage of labour population, population working in the primary sector have a strong influence on rural depopulation in the study area. Demographic factors, such as a higher percentage of the ageing population are also remarkable. Meanwhile, the impact of geographic factors, such as the distance to the biggest city in the prefecture, is relatively small. Besides, qualitative analysis indicates that cultural conditions, including lack of self-esteem in the village, may trigger depopulation. In terms of the contribution of the rural exchange programme to rural development, the qualitative analysis suggests potential and clear limitations. On the one hand, the programme attracts young urbanites and their families to the study area and encourages rural entrepreneurship. The entrepreneurial activities can mitigate the depopulation factors, revitalise the rural economy and enhance social capital in the region. On the other hand, insufficient collaboration, and public support lead to making tangible outcomes and hinders social innovation. This research suggests that a new support system for REP participants is required to materialise rural development. The support by (ultra) regional stakeholders and horizontal cooperation can be a catalyst for social innovation.

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Dissertation
Greening Intensive Farming Landscapes: Evaluating land use strategies to optimize wild bee diversity in trade-off with production.

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In the following decades, meeting future food demand by producing and sustaining sufficient agricultural yields while minimizing the environmental impact will be a major challenge for modern agriculture. Worldwide, pollinators are declining of which agricultural intensification is identified as one of the main drivers responsible for this decline. However, pollination is a fundamental ecosystem service essential for crop production. In Europe, 84% of the cultivated crops is directly dependent on insect pollination, especially of bees. Further pollinator decline could thus have serious consequences leading to crop production deficits. Strategies to reconcile food production and biodiversity conservation have emerged in response, often ranging from reducing farming intensity, by e.g. organic farming, to sustainable intensification of farming landscapes. Although there is a broad consensus about the potential of agriculture to meet future food demand, there is limited consensus on how to achieve this in a sustainable responsible way. In this study, the influence of conventional and organic apple cultivation in Flanders, Belgium on pollinator communities (bees and syrphid flies) and profitability is evaluated. The influence of the surrounding landscape is investigated as well, as these scarce (semi-) natural habitats are essential for the provisioning of pollination services. Apple, being one of the most important fruit crops, is dependent on insect pollination and therefore particularly vulnerable to (wild) pollinator decline. In addition, the Belgian apple sector has struggled and has been recognized as a sector in crisis since 2019. To research the trade-off between pollinator communities and profitability of conventional and organic apple cultivation, 36 study sites (parcels) were selected and included 12 conventional and 12 organic apple orchards as well as 12 reference semi-natural grassland parcels. This study confirms that organic, wildlife-friendly farming is able to support a higher pollinator population than common conventional farming. However, the profitability research showed significant lower yields in 2019 achieved under organic management in comparison with conventional management. More organic agricultural land would therefore be needed to achieve the same yields as in conventional apple farms which demonstrates the exact reason why the sustainability of organic farming is often questioned. In addition, edge effects were identified in the conventional and organic plots with lower bee abundance, species richness and true diversity in the core of the parcels than in the edge. Together with the results of the landscape analyses, this emphasizes the importance of conserving semi-natural habitats in order to sustain pollinator communities and its accompanying services surrounding apple farms. This study also demonstrated the potential, but possibly temporal, facilitation effect of the surrounding mass-flowering apple orchards on wild bees. The effect on the surrounding landscape on profitability showed diverse effects, reflecting the need for more research. Overall, this study highlights the influence of management and the surrounding landscape on both on-farm biodiversity and the profitability of apple farms. Understanding these complex dynamics is essential for both biodiversity conservation of pollinators and farmers in which research is essential.

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Dissertation
Civil Society for Workers in ICT Assembly Lines in the EU?: The case of Fair ICT initiatives

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European Union (EU) member states decided to trigger economic growth by attracting foreign direct investment in their countries and by making the European labor market more flexible. This flexibilization of labor in terms of working time, work-contracts and wages comes with the price of difficult working conditions in Information and Communication Technology (ICT) devices assembly plants (such as smartphones, tablets, laptops). The EU has put in place weak protection tools such as European Works Councils and Corporate Social Responsibility. These tools are voluntary and rely on implementation in the private sphere, pushing the state further away from its role of service provider. In addition, as trade unions in Central and Eastern European (CEE) countries lack power over their employer in ICT industry, NGOs have taken a step forward. ‘Fair ICT’ initiatives seem to have appeared to fill in the void left by the states, the EU and trade unions. Therefore, this paper aimed to see how civil society initiatives are translated into protection of ICT assembly factory workers in the European Union. The post-Marxist framework, which sees civil society movements as the new bearers of long-term and gradual societal challenges, appeared as the right vision of the world to understand the work of ‘fair ICT’ initiatives. Ten semi-structured interviews with nine activists from different civil society organizations (TCO, CATAPA, ICLEI, SOMO, Südwind, Electronics Watch, TSA-FFE, University of Edinburgh), as well as anonymous information from two CEE countries ICT workers, and additional documentations provided by interviewees (or available on their websites) were analyzed through this post-Marxist perspective. Findings show that the ‘fair ICT’ initiatives make use of several ‘common’ strategies for NGOs: lobbying, networking, engaging with industry and creating knowledge (through research and awareness raising campaigns). These strategies have also been screened in terms of effectiveness. Lobbying appears as the least effective strategy and the effectiveness of networking is debated as well. Research and awareness raising campaigns do not focus enough on the situation of ICT assembly workers in the EU to trigger real change for them. Industry engagement also faces critics, especially social audits associated with certification mechanisms which could tend to profit industry more than workers. Finally, findings show that ‘fair ICT’ initiatives have a socially innovative strategy. They could, however, contribute more to the empowerment of ICT assembly workers and to a change in social relations.

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Dissertation
Identifying constraints smallholder safe vegetable farmers experience in gaining access to the modern market of Hanoi, Vietnam

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Vietnam is developing at a rapid pace which goes accompanied with many changes. One of those changes includes the 'supermarketization', meaning an increasing share of modern retail in the food distribution system of Vietnam. Authorities are actively encouraging the growth of modern retail and discouraging traditional retail. One of the main reasons for this policy is to decrease food safety incidents. This dissertation focusses on the (un)safety of vegetables in Hanoi which mostly refers to toxic pesticide residues on vegetables. Traditional food distribution systems often reside in informality, making it difficult to ensure qualitative and safe food. In contrast, modern retailers are obligated to only sell certified vegetables, produced and handled according to safety standards. This transition puts pressure on the supply side as the production of vegetables in Vietnam is dominated by smallholder farmers who experience constraints in gaining access to modern retail. This dissertation is made in collaboration with Rikolto Vietnam, an NGO that supports cooperatives and their smallholder vegetable farmers in obtaining safety certifications. This dissertation identifies which constraints hinder safe vegetables farmers in gaining access to modern retail of Hanoi. Data was collected by the means of semi-structured interviews with stakeholders along the vegetable supply chain. The results were analysed with the Agricultural Innovation System analysis. The transition of the vegetable sector stimulated by the authorities can be seen as an innovation policy. Typical to the instalment of a new system are failures or constraints within the system. The findings of this dissertation show the main failures clustered in three blocking mechanisms keeping the system from successfully innovating. The first blocking mechanism refers to a weak regulatory framework surrounding food safety. From interviews with both vegetable producers and professional buyers weak rule enforcement regarding food safety rules could be identified as a constraint. Limited control by the authorities, causes and reinforces trust-issues between vegetable producers, professional buyers and consumers regarding food safety claims. The second blocking mechanism entails the weak relationship between farmers and modern retail. The distrust in the relationship is partly caused by the weak control mechanism limiting credibility to food safety claims. In addition, actors of modern retail mostly pointed out farmers ongoing unsafe farming practices as reasons for distrust. From interviews with farmers there could be concluded that incentives (such as price premiums) to adopt safety regulations were often absent. Suspicion of unsafe farming practices result in supermarkets and convenience stores chains creating their own vegetable farms or preference to source from large-scale vegetable producing companies with more credibility. The third blocking mechanism refers to the low demand of vegetables in modern retail compared to popular traditional markets. Modern retailers mostly allocated their unpopularity for buying vegetables to the high price. Other identified constraints were lack of trust consumers have in food safety claims made by modern retail, low awareness on food (un)safety, habit and routine of visiting traditional retail outlets, higher variety of vegetables on traditional markets and freshness as a quality indicator instead of certifications.

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Dissertation
Transit-induced Gentrification in Bangkok: The Case Studies of Onnut and Samrong

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Bangkok, the capital city of Thailand has seen rapid economic development and urbanization in the past decades, leading to a multitude of urban problems including environmental degradation and traffic jams. To alleviate these issues, the first-ever mass transit system; the Bangkok Mass Transit System or the BTS was thus implemented in the city in 1999 and has since expanded its service geographically into the adjacent provinces. Although mass transit systems like the BTS have the potential to contribute to the city’s sustainability by reducing greenhouse gas emissions, improving citizens’ well-being, and fostering economic growth, not everyone in the city profits from such benefits. These benefits come with the cost of neighborhood gentrification and the subsequent displacement of low-income people as lands are (re)developed to take advantage of the proximity to the mass transit stations. As a result, a proliferation of new condominium buildings takes place along the BTS lines and diminishes affordable housing stock in the gentrified neighborhoods. This particular type of gentrification can be called ‘transit-induced gentrification’. This is relevant to sustainable development as decent and affordable housing is a human right and one of the core elements of sustainability. Moving forward to sustainability in urban development will not only need to remove social inequalities and ensure access to decent and affordable housing for all (UNDP, n.d.) but also inclusive cities in which everyone can benefit from urbanization. Accordingly, focusing on the BTS, the thesis studies transit-induced gentrification in Bangkok and its impacts on different groups of land users. The case study approach within the qualitative method is used to study the phenomenon in two case study areas in Bangkok; Onnut and Samrong. The development of this thesis is guided by two main research questions; 1) To what extent does the (introduction of) mass transit lead to gentrification in the case study areas? and 2) What are the outcomes/impacts of transit-induced gentrification on different groups of land users in the case study areas? In the attempt to answer the research questions, the thesis adopts the theories of the rent gap, the consumption explanations of gentrification, and gentrification-induced displacement. Interviews with two groups of land users; local land users and condo residents, are also crucial to the study. The findings suggest that the BTS may have a direct impact on the increase in land values in the proximity to the stations. Because the BTS enhances the accessibility of the neighborhood, the neighborhood becomes more spatially attractive for both middle-class condo residents and real estate developers who seek profitable returns. Data from the interviews show that the two groups of land users are impacted differently by transit-induced gentrification, with more negative for the local land users and more positive for the condo residents. The findings have many implications for sustainable development. Although many positive impacts of the BTS and transit-induced gentrification are found, its adverse impacts, especially on the low-income population, must be recognized and addressed. Policy-oriented strategies will be required to manage transit-induced gentrification and alleviate its negative impacts.

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Dissertation
Developing a comprehensive observation method for assessing child-friendliness of public space

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Summary In the year 2050,70 percent of the world’s population will be under the age of 18 (UNDESA, 2015). However, according to studies, children and youth are marginalized in public processes and are becoming less accepted in public spaces (Van Vliet & Karsten, 2015; Vivoni, 2013). As part of the endeavor to create child-friendly public spaces, cities are attempting to investigate various methods of assessing the child-friendliness of their public spaces. As a result, cities are either adopting various global methods, which are more generic and fail to incorporate various local contexts, or developing their own assessment methods, which are less comprehensive and mostly focused on specific aspects of child-friendliness. Both approaches have their own advantages and drawbacks, thus cities and local governments should consider different inclusive, and contextualized approaches to assessing and understanding the child-friendliness of public spaces in order to provide child-friendly public spaces to their residents. In accordance with this, the city of Leuven is looking into ways to evaluate the current use of public space by children and young people. In this study, a comparative study was made between a global observation method developed by UN-Habitat called “Public space site-specific assessment” and a localized observation method for child-friendliness of public spaces: “Speelweefsel” developed by the city of Leuven. Both methods use dimensions that help structure the observation process. The UN Habitats method includes five dimensions: Comfort and safety, Green environment, Amenities and furniture, Use and users, Accessibility and the Speelweefsel method includes four dimensions: Safety, Nature, Playful interaction, Identity, and sociability. The research entails identifying key differences and similarities between the two observation methods, critically analyzing, and comparing the key findings after the observation methodologies have been applied, and identify different elements from both methods that can complement and learn from one another. According to the finding of the study, the fundamental similarities and differences between these two methods are primarily found in the observation tools used, the dimensions and indicators used, and ways of approaching dimensions with similar themes used in both methods, the degree of participation of children and other public space users in the observation process and defining the study area’s limit. To further understand the important dimensions and indicators and tools to consider while assessing the child-friendliness of public spaces both methods were applied on the Rietensplein playground, Leuven. Following the application of each method, different unique key findings on the child-friendliness of the playground under each dimension were discovered. The application of both methods uncovered some similar findings; however, each method included unique findings. The variation in findings came from the use of different observation tools, the use of different dimensions and the way of approaching dimensions, and the difference in the definition of the limit of the study area. The various tools, dimensions, and research approaches used by each method led to several important child-friendliness-related discoveries that are complementary to one another. As a result, a comprehensive child-friendliness of the public space observation method is proposed by critically assessing and merging th

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