Coastal zones have experienced rapid urban growth over the last 50 years and this is expected to continue. The most important reasons for rapid land-use changes are related to real estate pressure and the construction of new urban infrastructures. Coastal systems support a wide variety of social, economic and natural services and are directly affected by multiple human activities. The downside of urban increase is reflected in the change of land-use cover, and land-cover from open areas to built-up areas, especially within the metropolitan cities on the coast. The aim of the paper is to evaluate the relationship between the decrease of large green areas in coastal zones and the efficiency of planning and regulation of those areas. For this purpose, we are presenting a comparison between two case-studies from different countries: Boa Viagem Beach in Recife (Brazil) and Rocha Beach in Portimão (Portugal). These two areas have similar socio-environmental problems. The method relies on two sources: literature review (national regulation and policy documents) and 37 semi-structured interviews with stakeholders/agents responsible for urban development of the two areas of study. The interview questionnaire comprised topics such as the national planning legal framework, the process of urban growth, the impact of densification and the problems related to the lack of green areas in the coastal zones. A 3D GIS model complements the geospatial references of the research, showing the localization of green areas and their decrease over time. The comparison on different aspects of development in the two countries shows that the rules tend to be more efficient in Portugal than in Brazil. However, in both countries, it is felt that more efficient legal instruments and enforcement action is necessary to lead developers to comply with the rules. The use of semi-structured interviews proved to be very effective for comparative analysis on national policies. The paper presents a cross-national perspective with different stakeholders' points of view on the issue of the scarcity of green areas in coastal zones, which is intended to provide helpful information to planners, scholars and administration officers.
O arrendamento de curta duração de habitação está num processo rápido de mudança para um novo paradigma setorial onde as plataformas online (como a Airbnb) têm um papel preponderante. A imposição de restrições à atividade faz parte da agenda social e política da maioria dos países europeus. Contudo, conforme demonstram as primeiras tentativas, regulamentar não é suficiente, visto os promotores ignorarem muitas vezes as regras impostas. A monitorização e a fiscalização acarretam grandes dificuldades para a administração pública.Este artigo foca-se nas regras desenhadas para o alojamento local e no alcance das medidas implementadas em Portugal. Traça um esboço da ilegalidade urbanística nesta área na era da economia partilhada, abordando as estratégias de regulação e os resultados alcançados. A conclusão aponta para o facto de a verificação do cumprimento das obrigações legais de registo ou fiscais ser uma questão de justiça e responsabilidade social.
Neste trabalho apresentamos uma experiência pedagógica desenvolvida no ano letivo 2018/2019 no âmbito da Unidade Curricular "Cidades e Sustentabilidade Ambiental" do Mestrado em Riscos, Cidades e Ordenamento do Território, que se concretizou num workshop intensivo dedicado à resolução de problemas concretos com o envolvimento ativo da comunidade local. É aqui descrito e discutido o processo de desenvolvimento do workshop, começando pela sua conceção e preparação pelos docentes, passando pelo próprio workshop intensivo e terminando com discussão dos principais resultados alcançados. Palavras-chave: Geografia, ambiente urbano, experiência pedagógica, comunidade local.
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