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  • Energy Research
  • 2021-2025
  • 13. Climate action
  • 1. No poverty
  • 3. Good health
  • Portuguese

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    Authors: Sousa, Afonso Marques de;

    Dissertação de Mestrado Integrado em Engenharia Mecânica apresentada à Faculdade de Ciências e Tecnologia O conforto térmico é algo cada vez mais valorizado pelo ser humano, sendo fundamental para a sua produtividade e o seu bem-estar. Porém, assegurar condições de conforto térmico tem consequências energéticas, económicas e ambientais. Os órgãos de governo da União Europeia consideram que o aumento da eficiência energética dos edifícios é algo de extrema importância, devido a estes serem grandes consumidores de energia. Logo, um método eficaz de reduzir custos energéticos e económicos e impactos ambientais passa por tornar os edifícios muito eficientes energeticamente. A eficiência energética de um edifício está diretamente relacionada com a qualidade das suas soluções construtivas. Uma forma de melhorar as características das soluções construtivas é o uso de isolamento térmico, de modo a diminuir as trocas de calor entre o exterior e o interior de um edifício. O presente estudo tinha como objetivo a realização de uma análise económica, energética e ambiental da aplicação do isolamento térmico aos edifícios do continente europeu. Esta análise permitiu compreender a influência da aplicação de isolamento térmico na eficiência energética dos edifícios e assim perceber a influência desta medida nos custos energéticos, económicos e ambientais do ciclo de vida completo dos edifícios localizados no continente europeu. Adicionalmente, fez-se uma verificação de qual o material isolante térmico mais adequado. A análise foi efetuada segundo as perspetivas económica, energética e ambiental. Os custos do conforto térmico dependem da tipologia de uso do edifício e do tipo de clima. Assim, de forma a representar as tipologias do edificado europeu foram selecionados seis edifícios diferentes, sendo estes: um apartamento e uma moradia (edifícios residenciais), uma clínica (edifício de serviços com funcionamento permanente), uma escola e uma agência bancária (edifícios de serviços com funcionamento intermitente) e um supermercado (edifício de comércio com funcionamento intermitente. Para representar o clima do continente europeu foram selecionadas 5 localizações, em função do número de graus-dia de aquecimento e de arrefecimento, envolvendo assim 5 tipos de clima: Málaga (quente), Lisboa (moderado), Valladolid (frio), Varsóvia (muito frio), Reykjavik (extremamente frio). Recorreu-se à folha de cálculo CalProTerm para a obtenção das propriedades termofísicas das soluções construtivas opacas e ao software SEnergEd para a realização da simulação do comportamento energético, económico e ambiental do ciclo de vida dos edifícios. A versão do software SEnergEd disponibilizada não realizava a análise ambiental do ciclo de vida do edifício, pelo que foi necessário proceder à implementação desta vertente, munindo este software com os algoritmos necessários à realização do cálculo de impactos ambientais.Os resultados obtidos mostram, em termos muito genéricos, que a aplicação de isolamento térmico à envolvente opaca dos edifícios do continente europeu é mais benéfica em termos energéticos e em termos ambientais do que sob a perspetiva económica. Adicionalmente, a espessura ótima de isolamento térmico depende da tipologia de edifício, do tipo de clima e da perspetiva com que foi efetuada a análise (energética, ambiental ou económica). Thermal comfort is something increasingly valued by the human being, being fundamental for their productivity and well-being. However, ensuring thermal comfort conditions has energy, economic and environmental consequences. The Governing Bodies of the European Union consider that increasing the energy efficiency of buildings is extremely important, especially due to being one of the major energy consumers. Therefore, an effective method of reducing energy and economic costs and environmental impacts is to make buildings very energy efficient. The energy efficiency of a building is directly related to the quality of its constructive solutions. One way to improve the characteristics of constructive solutions is the use of thermal insulation, so as to decrease heat exchanges between the outside and the interior of a building.The present study aimed to carry out an economic, energy and environmental analysis of the application of thermal insulation to buildings on the European continent. This analysis made it possible to understand the influence of the application of thermal insulation on the energy efficiency of buildings and thus to understand the influence of this measure on the energy, economic and environmental costs of the complete life cycle of buildings located on the European continent. Additionally, a verification was made of which is the most suitable thermal insulating material. The analysis was carried out according to the economic, energy and environmental perspectives. Thermal comfort costs depend on the type of use of the building and the type of climate. Thus, to represent the typologies of European buildings, six different buildings were selected, namely: an apartment and a house (residential buildings), a clinic (service building with permanent operation), a school and a bank branch (buildings of services with intermittent operation) and a supermarket (commercial building with intermittent operation. To represent the climate of the European continent, 5 locations were selected, depending on the number of degree-days of heating and cooling, thus involving 5 types of climate: Malaga (hot), Lisbon (moderate), Valladolid (cold), Warsaw (very cold), Reykjavik (extremely cold).The CalProTerm spreadsheet was used to obtain the thermophysical properties of the opaque constructive solutions, the SEnergEd software was used to simulate the energy, economic and environmental behavior of the buildings' life cycle. The version of the SEnergEd software initially available did not carry out the environmental analysis of the building's life cycle, therefore it was necessary to implement this aspect, providing this software with the algorithms necessary to carry out the calculation of environmental impacts.The results obtained showed, in very general terms, that the application of thermal insulation to the opaque envelope of buildings on the European continent is more beneficial in energy and environmental terms than from an economic perspective. Additionally, the optimal thickness of thermal insulation depends on the type of building, the type of climate and the perspective from which the analysis was carried out (energy, environmental or economic).

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    Estudo Geral
    Master thesis . 2022
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      Estudo Geral
      Master thesis . 2022
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    Authors: Gonçalves, Gabriela Ribeiro da Silva;

    Relatório de Estágio do Mestrado em Ensino de Geografia no 3º ciclo do Ensino Básico e no Ensino Secundário apresentado à Faculdade de Letras O presente relatório de estágio visa apresentar uma análise e reflexão das atividades letivas e extralectivas ao longo do Estágio Pedagógico Supervisionado, desenvolvido na Escola Secundária Dr.ª Maria Cândida, em Mira, durante o ano letivo 2020/2021. Além disso, pretendo efetuar uma reflexão da aplicação da estratégia didático-pedagógica, neste caso concreto a Aplicação dos Media na Educação Geográfica e Ambiental, caso específico do Jornal aplicado ao tema das Alterações Climáticas. O relatório está dividido em três partes. A primeira parte, onde é feita a descrição geral da escola, acompanhado do enquadramento geográfico, turma, núcleo de estágio e das atividades realizadas ao longo do estágio. A segunda parte, está direcionada para a reflexão teórica e científica associada ao tema da aplicação didática.O tema da componente científica é as Alterações Climáticas e os seus impactos na saúde humana, assim como o surgimento ou ressurgimento de doenças parasitárias na Europa. Na terceira parte é apresentada a estratégia didática, o jornal realizado pelos alunos, acompanhado dos resultados obtidos ao inquérito realizado aos professores do agrupamento e aos alunos sobre o mesmo. Neste capítulo também se encontra uma reflexão sobre o ensino à distância e os impactos na aprendizagem tanto nos professores como alunos. Os objetivos propostos para esta estratégia foram positivos, uma vez que obtive o feedback desejado por parte dos alunos, assim como toda a dedicação na construção do jornal. This internship report aims to present an analysis and reflection of teaching and extralegal activities throughout the Supervised Pedagogical Internship, developed in Escola Secundária Dr. ª Maria Cândida, in Mira, during the school year 2020/2021. In addition, I intend to reflect on the application of didactic-pedagogical strategy, in this specific case the Application of Media in Geographic and Environmental Education, the specific case of the newspaper applied to the theme of Climate Change.The report is divided in three parts. The first part, where the general description of the school is made, accompanied by the geographic framing, class, internship nucleus and the activities carried out throughout the internship. The second part is directed towards the theoretical and scientific reflection associated with the theme of didactic application. The theme of the scientific component is Climate Change and its impacts on human health, as well as the emergence or resurgence of parasitic diseases in Europe.In the third part, the didactic strategy is presented, the newspaper made by the students, accompanied by the results obtained from the survey carried out to the teachers of the grouping and to the students about it. In this chapter there is also a reflection on distance learning and the impacts on learning for both teachers and students. The objectives proposed for this strategy were positive, since I obtained the desired feedback from the students, as well as all the dedication in the construction of the newspaper.

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    Estudo Geral
    Master thesis . 2021
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      Estudo Geral
      Master thesis . 2021
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    Authors: Martins, Sandra; Gonçalves, Alexandre; Silva, Ermelinda; Brito, Cátia; +5 Authors

    With the advances of climate change, it is expected harmful consequences to olive tree (Olea europaea L.). Therefore, it is necessary to develop cost-effective practices to reduce the vulnerability of olive crops to the adverse impacts of environmental stresses. Rainfed olive trees were sprayed with zeolites, natural crystalline aluminosilicates, and its effects on photosynthetic activity, phenolic composition, antioxidant activity, leaf minerais concentrations, plant growth, yield, and olive oil quality were assessed. Zeolites application enhanced photosynthetic activity, as well the concentrations of N, Mg, Cu, Zn and Mn in leaves, and changed the secondary metabolism, with decrease oftotal phenols, ortho-diphenols and total antioxidant activity, signs of lower oxidative stress. As consequence, zeolites boosted plant growth, crop yield, and size and weight of fruits. The foliar spray did not significantly affect the oil quality indices free acidity, peroxide value and Km and K270 coefficients. This study strongly suggests that folial' zeolites might be an effective strategy to mitigate the adverse environmental conditions. This research was funded by the Foundation for Science and Technology (FCT, Portugal) and FEDER under Programme PT2020 for financiai support to ClTAB (UIDB/04033/2020), and the Operational Group "Novas práticas em olivais de sequeiro: estratégias de mitigação e adaptação às alterações climáticas" I funded by PT2020 and EAFRD (European Agricultural Fund for Rural Development). Sandra Martins acknowledges the financiai support provided by the FCT-Portuguese Foundation for Science and Technology (PD/BD/135327/2017), under the Doctoral programme "Agricultural Production Chains-from fork to farm". info:eu-repo/semantics/publishedVersion

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Biblioteca Digital d...arrow_drop_down
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    Biblioteca Digital do IPB
    Conference object . 2021
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      Biblioteca Digital do IPB
      Conference object . 2021
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    Authors: Dias, Inês Patrícia Caleiras;

    Relatório de Estágio do Mestrado em Gestão apresentado à Faculdade de Economia No âmbito do Mestrado em Gestão da Faculdade de Economia da Universidade de Coimbra, foi elaborado o presente documento que reflete o estágio curricular de 4 meses realizado na EDP-Gestão da Produção. A temática da RSE, escolhida como foco do presente relatório, surge por ter emergido como uma preocupação central a vários dos assuntos abordados durante o estágio e por se considerar um tema central para a empresa EDP, desde logo por fazer parte do Índice de Sustentabilidade Dow Jones. O objetivo do trabalho é o desenvolvimento das principais temáticas da RSE, apresentando-se a evolução conceptual, os principais modelos teóricos e a sistematização das teorias, assim como a abordagem Europeia e Nacional à RSE, a distinção dos conceitos de RSE, Sustentabilidade e Desenvolvimento Sustentável, as vantagens da implementação da RSE e os instrumentos e ferramentas que são utilizados pelas empresas – normas internacionais, relatórios de sustentabilidade, GRI Standards e índices de RSE. Por fim, analisa-se o impacto da RSE nas comunidades locais, recorrendo ao estudo do Relatório de Sustentabilidade da EDP. Pode-se inferir que as práticas de RSE têm um impacto bastante positivo nas comunidades locais, quer ao nível do seu bem-estar quer ao nível do desenvolvimento económico e que o desenvolvimento e investimento em práticas de Responsabilidade Social tem também um retorno positivo para a empresa. A EDP tem um elevado comprometimento com as comunidades locais ao desenvolver um conjunto de programas de investimento social, assumindo a sustentabilidade no seu ADN e contribuindo ativamente e de forma voluntária para os Objetivos de Desenvolvimento Sustentável (ODS). As part of the Master’s degree in Management at the Faculty of Economics of the University of Coimbra, this document was prepared to reflect the curricular internship of 4 months held at EDP-Production Management. The theme of Corporate Social Responsibility (CSR), chosen as the focus of this report, emerged as a central concern to several of the issues addressed during the internship and because it is considered a central theme for the EDP company, since it is part of the Dow Jones Sustainability Index. The aim of the work is the development of the main themes of CSR, presenting the conceptual evolution, the main theoretical models and the systematization of theories, as well as the European and National approach to CSR, the distinction of the concepts of CSR, Sustainability and Sustainable Development, the advantages of the implementation of CSR and the tools that are used by companies – international standards, sustainability reports, GRI Standards and CSR indexes. Finally, the impact of CSR on local communities is analyzed, using the study of EDP’s Sustainability Report. It can be inferred that CSR practices have a very positive impact on local communities, both in terms of their well-being and in terms of economic development and that the development and investment in Social Responsibility practices also have a positive return on the company. EDP has a high commitment to local communities by developing a set of social investment programs, assuming sustainability in its DNA and contributing actively and voluntarily to the Sustainable Development Goals.

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    Estudo Geral
    Master thesis . 2021
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      Estudo Geral
      Master thesis . 2021
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    Authors: Flambó, Tiago Miguel Albano;

    O desenvolvimento sustentável, como conceito fulcral para a sobrevivência do nosso planeta, engloba um conjunto de fatores dos quais a energia constitui uma parte vital. Esta ideia aparece inclusivamente vertida em diversos Objetivos do Desenvolvimentos Sustentável (ODS), tais como os Objetivos N.º 9, 11, 12 e 13. Os edifícios representam cerca de 50% do fenómeno de poluição ambiental, fruto do consumo energético inerente à sua utilização, que ascende a 41% de toda a energia primária produzida. Estes dados podem ser explicados pelo aumento da população mundial, a pouca reabilitação de edifícios a nível global e o exponencial aumento do consumo energético para suprir necessidades de aquecimento e arrefecimento de edifícios. Neste âmbito, considerou-se importante verificar a viabilidade de novas soluções que permitam criar estabilidade térmica dentro dos edifícios, como é o caso da aplicação de Materiais de Mudança de Fase (Phase Change Materials – PCM) em soluções construtivas. Os PCM apresentam uma comprovada capacidade de armazenamento térmico em comparação com as soluções tradicionais. Contudo, uma das grandes vantagens destes materiais reside na não necessidade de armazenamento de energia elétrica, mas sim o armazenamento da energia térmica do ambiente envolvente. A modelação da aplicação dos materiais num edifício-tipo e num edifício real, permitiu obter diferenças nas temperaturas de pico interiores de até 1 °C, bem como uma redução global de consumos energéticos entre 12% e 23%, para a espessura mínima dos PCM comerciais analisados. A introdução dos PCM permitiu, de igual forma, a redução da amplitude térmica interior, observando-se reduções até 83%. A adoção deste tipo de soluções leva a que seja possível obter reduções de emissões entre os 3,3% e os 33%, no edifício de mais baixa eficiência energética e entre os 2% e os 8%, para o caso de um edifício de maior eficiência energética. O período de retorno do investimento nestes materiais mostrou-se elevando, sendo um desafio ao vetor social da sustentabilidade. Sustainable development, as a key concept for the survival of our planet, includes a set of factors of which energy is a vital part. This idea also appears in several Sustainable Development Objectives (SDO), such as Objectives Nos. 9, 11, 12 and 13. Buildings represent about 50% of the environmental pollution phenomenon, resulting from the energy consumption inherent to its use, which amounts to 41% of all primary energy produced. This can be explained by the increase of the world population, the limited rehabilitation of buildings worldwide and the exponential increase in energy consumption, to meet heating and cooling needs of buildings. In this context it will be important to verify the viability of new solutions that allow thermal stability in buildings, such as the application of Phase Change Materials (PCM) in constructive solutions. PCM have proven thermal storage capacity compared to traditional coating solutions. However, one of the great advantages of these materials lies in the fact that they do not need to store electrical energy, but the storage of thermal energy from the surrounding environment. The application of the materials, in a simulated context, in a model building and in a real building, allowed to obtain differences in interior peak temperatures of up to 1 °C, as well as an overall reduction in energy consumption between 12% and 23%, for the minimum commercial thickness of the PCM used. The introduction of PCM also made it possible to reduce the interior temperature range, with reductions of up to 83% observed. About the environmental sustainability themes, the adoption of this type of solution led to emission reductions between 3.3% and 33%, in the low-efficiency building, and between 2% and 8%, for the most efficient building. The payback period for the investment in these materials need to be increased, representing a challenge to the social vector of sustainability.

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    Authors: Serra, Ricardo João Matos;

    Dissertação de Mestrado em Engenharia Eletrotécnica e de Computadores apresentada à Faculdade de Ciências e Tecnologia The evolution of society, its demographic growth, and its technological and economic development made electricity an essential good, causing the consumption of electricity to increase over the years, to guarantee these supply fossil fuels were used in its production an unsustainable option that has generated high levels of pollution and a climate crisis. To address these problems, the European Union established the European Directive 2018/2001. This directive allows renewable energy self-consumers to produce, consume, share, store and sell electricity, promoting various sustainable behaviors such as reducing energy bills, reducing CO2 emissions, combating energy poverty, and reducing the cost of energy—initial investment. This dissertation aims to develop different methodologies for defining the sharing coefficients of energy produced in a CER and to establish comparisons of their performance in the CER. The CER used as a case study in this dissertation is composed of two schools in Coimbra and the DEEC building. In a preliminary analysis of the consumption of each building, several simulations were carried out to find out which would be the best location of production in the CER, having that choice fell on school 1. Five methods were developed to define the coefficients of sharing the surplus energy produced by the CER by its members. In key 1, fixed coefficient, a fixed percentage of energy sharing is assigned, in key 2 the sharing coefficients are proportional to the consumption of each user, that is, members who have higher consumption receive a greater percentage of energy. Keys 3, 4, and 5 all have the same energy sharing philosophy, they follow a list of priorities, with energy sharing being done by serving the highest priorities until they run out of energy or all members of the list see their consumption needs. satisfied. According to the results obtained, it was possible to conclude that the best key or the most beneficial key for this particular CER would be key 3, as it generates less unused surplus energy and still has good equity, that is, it is energy effectively used annually by CER members, one member, in this case, uses 58% and another 42%.In short, to choose the distribution key that optimizes the sharing of surplus energy in a community, we must consider the community, since each key has its advantages and disadvantages, and its use varies according to the CER. A evolução da sociedade, o seu crescimento demográfico e o seu desenvolvimento tecnológico e económico, tornou a eletricidade um bem essencial, fazendo com que o consumo de energia elétrica aumentasse ao longo dos anos, para garantir esta oferta foram utilizados combustíveis fósseis na sua produção, uma opção não sustentável que gerou elevados níveis de poluição e uma crise climática. Para colmatar esses problemas a União Europeia estabeleceu a Diretiva Europeia 2018/2001. Essa diretiva permite aos autoconsumidores de energia renovável produzir, consumir, partilhar, armazenar e vender eletricidade, promovendo diversos comportamentos sustentáveis como redução na fatura energética, a redução das emissões de CO2, combate à pobreza energética e consequentemente a redução no custo do investimento inicial. A presente dissertação tem como objetivo desenvolver diversas metodologias de definição dos coeficientes de partilha de energia produzida numa CER e estabelecer comparações do seu desempenho na CER. A CER usada como estudo de caso nesta dissertação é composta por dois estabelecimentos escolares de Coimbra e pelo edifício do DEEC. Numa análise preliminar dos consumos de cada edifício, realizou-se várias simulações para descobrir qual seria a melhor localização da produção na CER, tendo essa escolha recaído na escola 1. Foram desenvolvidos cinco métodos para definição dos coeficientes de partilha da energia excedentária produzida pela CER pelos membros da mesma. Na chave 1, coeficiente fixo, é atribuída uma percentagem fixa de partilha de energia, na chave 2 os coeficientes de partilha são proporcionais ao consumo de cada utilizador, ou seja, membros que tenham maior consumo recebem uma maior percentagem de energia. Já as chaves 3, 4, 5 têm todas a mesma filosofia de partilha de energia, seguem uma lista de prioridades, sendo a partilha de energia feita servindo os mais prioritários até esgotar a energia ou todos os membros da lista vejam as suas necessidades de consumo satisfeitas. De acordo com os resultados obtidos foi possível concluir que a melhor chave ou a chave mais benéfica para esta a CER em particular seria a chave 3, por gerar menos energia excedentária não utilizada e mesmo assim ter uma boa equidade, ou seja, é a energia efetivamente utilizada anualmente pelos membros da CER, um membro, neste caso, utiliza 58% e outro 42%. Em suma, para se escolher a chave de repartição que otimiza a partilha da energia excedentária duma comunidade, devemos ter em consideração a comunidade, visto que, cada chave tem as suas vantagens e desvantagens e a sua utilização varia de acordo com a CER.

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    Authors: Gomes, Ivo António Pereira;

    Dissertação de Mestrado Integrado em Arquitetura apresentada à Faculdade de Ciências e Tecnologia Esta dissertação foi desenvolvida no âmbito do tema B iniciado na cadeira de Seminário de Investigação, Atelier de Projeto II e continuada em Laboratório de Projeto 1 no ano letivo2020/2021. O tema apresentado foi “Cabo do Mundo 21 – Projeto para uma Cidade Urgente Post-Covid e Post-Carbono”. Dele resultou uma proposta de reconversão urbana da refinaria petrolífera de Leça da Palmeira numa perspetiva futura de descarbonização e pós-pandemia.Após uma contextualização local histórica e geográfica foi elaborada uma estratégia coletiva para toda a área da refinaria e para a área envolvente, dividindo-a por 3 fases de trabalho desenvolvidas em conformidade. A área que este projeto propõe está situada na zona norte da refinaria, onde é proposta a sua transformação numa “cidade-parque”.Na perspetiva da sustentabilidade, mobilidade e consciencialização sanitária para um quotidiano preparado para o futuro, é desenvolvida individualmente uma secção desta área. Implementa-se um programa de funções estratégicas e articuladas, o qual envolve a criação de uma estação de hidrogénio verde que alimente energeticamente os meios de transporte e idealmente a eletricidade doméstica, complementada pelo uso de energia obtida através de turbinas eólicas e painéis solares. É proposto neste projeto a implantação de edifícios de habitação coletiva e ateliês de trabalho, ambos numa perspetiva de co-living (co-housing e co-working). Estabelece-se ainda um paralelismo entre o meio urbano e o meio ambiente, com propostas de parques e hortas comunitárias (estas para produção e consumo próprio ou para troca num Mercado Biológico). O projeto é desenvolvido sob uma premissa de sistemas que trabalham em conformidade sustentável, mas que podem ser isolados garantindo um quotidiano dinâmico para uma vida mental e fisicamente saudável em situações pandémicas, como ocorre nos confinamentos. O projeto da nova cidade-parque propõe a reconversão do parque industrial, mantendo a sua memória, e gera a oportunidade de pensar a cidade e a arquitetura na perspetiva do condicionamento provocado por adversidades sociais e distanciamentos sanitários. This thesis was developed under the theme B started in the Research Seminar, ProjectWorkshop II and was continued in the Project Laboratory 1 class in the academic year of2020/2021, “Cabo do Mundo 21 - Project for an Urgent City of Post-Covid and Post-Carbon”.This theme intends to develop a proposal for the requalification of the oil refinery in Leça da Palmeira in a future perspective of decarbonization and post-pandemic point of view.After a local historical and geographic contextualization, a collective strategy for the entire oil refinery area and its surroundings were drawn up, dividing it into 3 work areas developed accordingly. The area that this project proposes is located in the north of the refinery, unfinished and where a continuation of its morphology is proposed in a group dynamic that ends in a large park.From the perspective of sustainability, mobility and health awareness for a daily life prepared for the future, a section of this area is individually developed. With the implementation of a program of strategic and articulated functions, from a green hydrogen station that energetically supplies the means of transportation and, ideally, domestic electricity, supported by the use of wind farms and solar panels. This project proposes the installation of collective housing buildings and work studios, both from a Co-Living perspective. As well as the connection between the urban and the environment, with proposals for community parks and gardens (these for their own production and consumption of vegetables or fruit or for their exchange in a farmer’s market also proposed in this project). The project is developed under the premise of a few systems that work in sustainable compliance that can be isolated, always guaranteeing a dynamic and sustainable daily life for a mentally, physically and healthy life in pandemic situations, such as confinement.The project is developed for a new city park, an industrial requalification keeping its memory and an opportunity to think about the city and architecture in urban and social planning, in perspectives of conditioning caused by social adversities and sanitary distances.

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    The building of energy infrastructure has the main objective of promoting economic development based on the production and consumption of goods and services. In Brazil, the main generator of electricity is the Itaipu hydroenergy plant, which is binational and uses the transboundary waters of the Parana River in the boundary between Brazil and Paraguay. In a context of high energy demand, the discourses about transboundary waters are marked by debates on sovereignty and securitization in the face of vulnerability, these discourses focus on relations of tension and conflict over strategic water resources between states. This paper examines the use of transboundary water for energy production in Brazil and the limits of the discourse of regional development among the riparian states in the negotiations on the Itaipu Treaty during the government of former President Inacio Lula da Silva (2003-2010).

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    Authors: orcid bw MONTEIRO, Rhadson Rezende;
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    In the current global pursuit of Sustainable Development Goals (SDGs), environmental governance in Brazil stands out, especially for its inclusion of social participation in decision-making bodies. The National Council for the Environment (CONAMA) plays a central role in this scenario. Given this, this study asks: How did government changes between 2011 and 2023 influence social participation in this entity, and in what ways did its institutional design vary according to the ineptitude of the current governments? The selected time frame encompasses three distinct moments in the council's design. For the analysis, qualitative methods of content analysis were employed, examining official documents, decrees, and academic publications, providing an in-depth view of the changes that occurred. The results initially reveal a period of strength and prominence, followed by a phase of significant reduction in representation, and later, a moment of reformulation and restructuring of the institutional design of this council. These transitions reaffirm the essential balance between government and social stakeholders in achieving environmental governance. The study emphasizes the imperative of maintaining participatory structures to ensure the quality of environmental policies in the country and realignment with the development of environmental policies at the global level.

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    Authors: Matos, Sandra Cristina;

    O turismo tem desempenhado um importante papel no desenvolvimento de territórios, com importante relevo na realidade rural. Quando este se alia à cultura experienciada de uma forma criativa, o seu potencial é imenso com um poder de alcance bastante superior. Esta dissertação pretende explicitar o papel desta atividade no desenvolvimento e estrutura de zonas rurais e na forma sustentável que a mesma é desenvolvida, usando para o estudo o caso de Ponte de Lima. Neste sentido, numa primeira parte, é realizada uma revisão de literatura de forma a clarificar conceitos e introduzir a realidade em estudo, analisada numa segunda parte. Nesta é apresentado o território em análise, Ponte de Lima. Para tal, é exposta a sua realidade atual e a de há dez anos, cujo objetivo trata de entender a sua evolução e a maneira como a criatividade é percecionada como base da produção turística, percebendo se a mesma se assume sustentável a longo prazo. Para um melhor entendimento destas questões foram realizadas entrevistas semi-estruturadas a seis agentes institucionais ativos no turismo limiano. Com o levantamento da informação e as conclusões obtidas, pretende-se estabelecer uma análise dos esforços realizados, da sustentabilidade de toda a atividade e a influência da mesma sobre a gente e o território limiano, assim como dar destaque a uma análise S.W.O.T. Enquanto as forças e as oportunidades podem potenciar ainda mais a atividade turística, as fraquezas e as ameaças são olhados como pontos a precaver ou melhorar. O turismo em espaço rural, no caso particular de Ponte de Lima, revela-se bastante dependente da cultura, no entanto, quando a mesma é tratada com criatividade os produtos desenvolvidos identificados são em menor número. A vila demonstra ter uma série de oportunidades e características potenciadoras do turismo aliadas a esforços para que seja trabalhado de uma forma sustentável. Tourism has played an important role in the development of territories, with important relevance to the rural reality. When combined with an experienced culture in a creative way, its potential is immense and with an even greater reach. This dissertation aims to explain the role of this activity in the development and structure of rural areas and the sustainable way in which it is developed, as is the case of Ponte de Lima. In this sense, in a first stage, a revision of literature is undertaken to clarify concepts and introduce the reality that is being studied, analyzed on a second stage. At this stage the territory analyzed, Ponte de Lima, is presented. For that, present past ten years reality is exposed with the purpose of understanding its evolution and the way creativity is perceived based on “tourist production”, to understand if it assumes to be sustainable on the long term. For a better understanding of these questions semi structured interviews were undertaken to six institutional active Ponte de Lima tourist agents. With the gathering of information and conclusions obtained, we have the intention of establishing an analysis of the work executed, the sustainability of the all the activity and its influence on people and the territory of Ponte de Lima, as well as giving emphasis to a S.W.O.T analysis. While the forces of opportunity may enhance tourist activity even more, weaknesses and threats are regarded as issues to be prevented and improved. Tourism in rural areas, Ponte de Lima, depends largely on culture, nonetheless when it is worked with creativity the products developed identified are in smaller number. The village proves to have a series of opportunities and conditions to enhance tourism supported on efforts to be developed in a sustainable way. Dissertação de mestrado em Economia Social

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Universidade do Minh...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Universidade do Minho: RepositoriUM
    Other ORP type . 2021
    License: CC BY NC ND
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Universidade do Minh...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Universidade do Minho: RepositoriUM
      Other ORP type . 2021
      License: CC BY NC ND
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