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Greening the void: actions for the de-sealing and renaturalisation of soils in brownfield regeneration processes
No full textGame changer? Planning for just and sustainable urban regions, Paris, 8-12th July 2024The decommissioning of industrial sites has started a complex 'season' in which different actions for their reuse have emerged. In addition to the preservation of existing structures, projects have emerged that have chosen to combine the actions with soil de-sealing interventions. This 'demolition without reconstruction' has generated a new permeability and created the conditions for new public facilities and the partial renaturalisation. The analysis of a selection of brownfield redevelopment experience makes it possible to compare both the spatial effects and the relative variety of planning policies adopted. The contribution proposes the identification, analysis, and comparison of some regeneration processes of large brownfield sites, selected in two different Italian cities, which are characterised by the promotion of soil de-sealing and the implementation of NbS.
Keywords: Browfield, de-sealing, Nature-based Solutions, Urban regeneration, Urban planning toolspublished versio
Inhabiting the rural space. Reflections on the housing emergency of seasonal workers in agriculture
No full textGame changer? Planning for just and sustainable urban regions, Paris, 8-12th July 2024The intensification of migratory movements towards the European context from the global South is a clear sign of the unstoppable prospect of international mobility, legal and illegal, of populations as a result of changed geopolitical conditions, environmental crises and disasters, poverty and economic uncertainty (Blasco, et al., 2023). These dynamics produce reverberations in terms of demographic transition, imbalance in local economies towards parallel and opaque labour circuits, and spatial transformations in the territories where refugees reside and transit. The contribution intends to focus on the informal settlement of Borgo Mezzanone, where about 4,000 migrants reside on a temporary and permanent basis, engaged in the activity of harvesting agricultural products according to the cyclical nature of the agri-food chain. The contribution is the result of the action-research work carried out by the ArCoD Department of the Polytechnic of Bari for the technical-scientific support of the Apulian Municiities beneficiaries of Measure 5C2 investment 2.2 Integrated Urban Plans for the overcoming of illegal settlements to combat the exploitation of workers in agriculture.
Keywords: informality, migration, housing policypublished versio
Study on the Evolution Characteristies and Collaborative Governance Strategies of “Production-Living-Ecological" Space at county level in Loess Hills and Gully Areas--Taking Huangling County as an Example
No full textGame changer? Planning for just and sustainable urban regions, Paris, 8-12th July 2024With China's rapid economic development and continued urbanisation, the contradiction between urban expansion and land resource use has become increasingly prominent. The study site is located in the gully area of the Loess Plateau, where soil erosion is a prominent problem. The acceleration of urbanisation further complicates the spatial contradiction between production, life and ecology. In the context of ecological civilisation construction, it is crucial to study the spatial evolution of production-life-ecology in the county. The study indicates that the production space in Huangling County is fragmented, the living space is inefficient and the ecological space is fragile. Consequently, a comprehensive management strategy to protect the production space, optimise the living space and regulate the ecological space is proposed.
Keywords: Production-Living-Ecological space; Spatio-temporal evolution; Collaborative governance; PLUS modelpublished versio
Urban heat mitigation effect and affordable housing greenery injustice measured by Green View Index (GVI): A case study in Washington, D.C.
No full textGame changer? Planning for just and sustainable urban regions, Paris, 8-12th July 2024The deterioration of living conditions is highlighting the benefits of urban greenery for creating sustainable cities. Using Washington D.C. as a case, we demonstrate the performance of GVI and examine disparities in greening surrounding affordable housing. With the pre-trained segmentation model, we generated GVI based on 54,691 Street View images and applied the Spearman's correlation analysis to examine LST cooling effect. We found that LST shows significant negative correlations (p<0.001) with GVI and newly developed GVI-3D with coefficients of -0.60 and -0.73. The distribution of GVI in residential zoning was polarised, affordable housing projects have less greenery. In conclusion, we argue that it is of practical significance to monitor GVI instead of large scale NDVI for urban environments due to its controllability and human-centric attributes.
Keywords: Green View Index, Temperature mitigation, Street greenery, Housing environment, Environmental justicepublished versio
Exploring the Assessment and Strategies of Street Inclusivity in Suzhou, China
No full textGame changer? Planning for just and sustainable urban regions, Paris, 8-12th July 2024Nowadays, the concept and significant value of inclusive development are widely recognized globally, making it a fundamental principle in urban planning. Simultaneously, urban spatial development has transitioned from incremental expansion to stock renewal. From strict separation between market blocks to integrated, there is a trend of diversity and inclusion in the spatial form and functionality of streets. Guided by this principle, street design aims to accommodate people of different genders and age groups, thereby promoting more profound face-to-face communication and social activities. In the context of advocating for a fair, diverse, and inclusive urban spatial renewal, it is essential to exploring how to better accommodate various social activities, functional layouts, and the experiences of stakeholder. Creating a friendly and integrated street environment is crucial to further enhance urban inclusivity and social openness. This effort holds significant practical importance. As one of Chinese pilot cities for urban renewal, the city of Suzhou boasts a rich array of distinctive characteristics and historical streets. This paper selected four representative types of streets in Suzhou, using multiple sources of data such as street scenes,Point of Interest(POI) and Location-Based Services (LBS). A street inclusiveness assessment system was constructed to interpret street factors from three dimensions: spatial comfort, functional convenience, and human activities. This study analyzed the correlation between indicators, and uses the Analytie Hierarchy Process (AHP) to determine indicator weights and standardized values. The assessment of inclusive scores for the four streets were calculated. For the measurement of certain indicators, the study adopted the GSAM (Grounded Segment Anything Model) to segment and recognize objects. This model has the capability to automatically segment objects in images or videos, generate high-quality labels, and produce measurement results for the factors with a single click. The total score for inclusivity assessment of the four streets is ultimately determined through a combination weighting method. The results of street inclusive assessment indicated that: (1) "Historical Character Streets" presented good performance across various indicators.This marked them suitable for creating highly inclusive and vibrant gathering spaces. (2) The high street penetration rate and density of store facilities demonstrated the potential for inclusive vitality of "Lifestyle and Culture Streets". (3) "Modern Distinctive Streets" performed better in terms of sky openness and pedestrian friendliness,but have a lower greenery ratio. (4) "Lifestyle Landscape Streets" had a higher quality of greenery and accessibility to other parks, but they showed lower inclusion attributes towards functional formats and human activities. Correlation analysis founded that as street building enclosure increases, the proportion of cultural facilities distribution also increases accordingly, providing a wider range of cultural activities. The indicators of accessibility to park and greenery spaces revealed a positive correlation with the proportion of business facilities, indicating a preference for environmentally superior areas among commercial establishments. In terms of inclusion assessment scores, "Historical Character Streets" and "Lifestyle and Culture Streets" received higher evaluation scores , while "Modern Distinctive Streets" and "Lifestyle Landscape Streets" exhibited lower values in this regard. Accordingly, based on the specific presentation of indicators for these four types of streets, the study proposed corresponding renewal strategies, aiming to assist the relevant authorities in improving the inclusion and vitality of streets. It will enhance the quality and happiness of community residents.
Keywords: Street Inclusion ; urban space; Streets classification; Assessment of Inclusivity; scenario strategiespublished versio
AESOP Congress 2024 - Approaching urban renewal through the lens of urban rent theory
No full textGame changer? Planning for just and sustainable urban regions, Paris, 8-12th July 2024A major urban renewal policy has been implemented in France since the 2000s, bringing about extensive urban and social changes in vast social housing complexes built during the post-war period of massive construction. Drawing on an urban political economy framework, this paper analyses two French urban renewal projects as a commodification and a privatization of neighbourhoods that have been characterized for decades by a public or quasi-public land ownership and by non-market-oriented forms of management. I argue that under certain conditions, urban renewal may produce different types of urban rents, which are mostly appropriated by private stakeholders. This paper investigates the role of state and local governments in these processes to underline the existence of public strategies favouring the profitability of private housing development and the production of urban rents in these areas.
Keywords : Rents, Urban Renewal, Social Housing, Commodification, Francepublished versio
Enhancing suburban life with Victor Gruen
Full text linkGame changer? Planning for just and sustainable urban regions, Paris, 8-12th July 2024The essay deals with the theme of the prejudices that prevent us from designing vibrant suburban spaces and argues that we should rediscover Victor Gruen’s lesson in doing so. The first part analyzes the consequences determined by the advent of the car and the urban explosion on public spaces. The second section of the essay develops a critical reflection on the way we look at suburban collective spaces and proposes a change of perspective. The concluding section of the essay contains some specific proposals, of a planning and normative kind, to improve the quality of collective suburban spaces.
Keywords: urban explosion; public places; collective spaces; non-places; Victor Gruenpublished versio
20. Planning, identity and violent conflict: the spatial making of apartheid in Israel/Palestine
Full text linkThe talk addressed the current state of affairs of the Israeli/Palestinian relations and the war in Gaza – a stark reminder of the continued existence of a deep, entrenched conflict around issues of land, human rights, and collective identities in Israel/Palestine. Professor Yiftachel then moved to examine the role of planning and territorial development policies in the trajectory of the conflict, showing how Israeli governments have tapped into the potential of planning in order to advance a political agenda based on ethnonational preference; and how this trajectory has brought about a full-fledged system of control over the disenfranchised Arab population. In his conclusive remarks, Professor Yiftachel has highlighted the positive potential of planning practices in redressing social and political injustices.
WATCH THE FULL LECTURE AT THE VIMEO VIDEO LINK BELOWpublishedVersio
Analysing Local Cross-border Cooperation in Fragile Peripheral Areas in Northern Italy
Full text linkGame changer? Planning for just and sustainable urban regions, Paris, 8-12th July 2024The Italian National Strategy for Inner Areas created a legal and innovative territorial arrangement requiring municipal collaboration for policy and decision-making. This paper aims to verify the strategies, approaches, and projects associated with local cross-border cooperation, discuss the implications and effects, and generate reflections on the defined and unexploited opportunities to interact with municipalities within and outside the inner area's boundaries. The findings indicate that cross-border strategies are linked to healthcare, education, and mobility services. However, all the examined documents fail to make explicit indications that one municipality must cooperate with another to activate such an asset or system. The new local strategy must take advantage of the proximity of the nearby inner areas to boost integrated regional development and better exploit the territorial capital.
Keywords: Local cross-border cooperation, Integrated territorial development, territorial cohesion, National strategy for inner areas, socio-economic developmentpublished versio
Planners’ ideals and realities : Normative behaviour and conformorality
Full text linkTransactions of the Association of European Schools of Planning; Vol. 8, No. 1 (2024)People often make presumptions about planners – rational, altruistic, self-interested, bureaucratic, and so on. However, what is a realist portrait of planning practitioners? What normative dispositions do they tend to adopt, why do they adopt them, and how they behave based on them? To shed light on these questions, this study explores the normative behaviour of planning practitioners. A meta-ethnography was conducted focusing on 19 empirical studies relevant to the normative behaviour of English local authority planners from 1978 to 2022. The paper’s synthesis of the same revealed prominent normative frameworks within the planning community across different social-temporal contexts. The findings highlight consistent normative features among planners: a deep internalisation of a moderately progressive professional ideal and a strong identification with the planning profession. These results indicate a widespread phenomenon of conformorality within the planning profession, with planners frequently facing challenges when it comes to adhering to two sets of norms: the bureaucratic, and the professional. The study also discusses different mechanisms that contribute to the achievement and maintenance of planners’ conformorality, including compliance, identification, and internalisation.publishedVersio