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  • Energy Research
  • 2021-2025
  • 7. Clean energy
  • 8. Economic growth
  • Portuguese

  • 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/
    Authors: Vilaça, Patrícia Pinheiro da Silva;

    Atualmente, existe uma necessidade cada vez maior das empresas adotarem algum tipo de medida de responsabilidade social corporativa. É uma obrigação da empresa alcançar metas sustentáveis de longo prazo para os seus funcionários e também para o mundo em geral. O papel do gestor de operações é conseguir balançar todos os desafios que surgem à medida que o ambiente económico, social político e tecnológico altera. Há toda uma análise necessária entre os incentivos que o governo de cada país fornece e o proveito que a empresa consegue retirar da implementação destas políticas. Surge aqui a questão fulcral se a adoção destas políticas não é meramente por interesses económicos por parte destas organizações. O presente trabalho visa, por isso, avaliar a aplicação de medidas de responsabilidade social corporativa em empresas internacionais. Foi elaborado através do estudo e análise de duas organizações internacionais com as suas operações já delineadas, a FARFETCH e a FERPINTA. Ao longo do trabalho são avaliados os desafios enfrentados por estes dois grupos internacionais cujo as indústrias nas quais operam são inequivocamente diferentes. Inicialmente, realiza-se revisão de literatura, de seguida é feito um resumo dos dois grupos. Posteriormente, é feita a análise das entrevistas levadas a cabo com diferentes colaboradores e de diferentes departamentos das empresas de forma a recolher uma amostra variada dos pontos de vistas e das ações de responsabilidade social levadas a cabo. Por fim, é feita uma análise geral com a análise dos resultados das entrevistas e dados recolhidos. Após recolhidas e formuladas as análises, são sugeridas possíveis ações de implementação por parte das empresas. Currently, there is an increasing need for companies to adopt some kind of corporate social responsibility measure. It is an obligation of the company to achieve sustainable long-term goals for its employees and also for the world at large. The operations manager's role is to balance all the challenges that arise as the economic, social, political, and technological environment changes. There is a whole necessary analysis between the incentives that the government of each country provides and the benefit that the company is able to derive from the implementation of these policies. Here, the central question arises whether the adoption of these policies is not merely for economic interests. The present work aims, therefore, to evaluate the application of corporate social responsibility measures in international companies. It was prepared through the study and analysis of two international organizations with their operations already outlined, FARFETCH and FERPINTA. Throughout the work, the challenges faced by these two international groups whose industries in which they operate are unequivocally different are evaluated. Initially, a literature review is carried out, followed by a summary of the two groups. Subsequently, an analysis of the interviews is carried out with different employees and from different departments of the companies in order to collect a varied sample of the points of view and the social responsibility actions implemented. Finally, a general analysis is made with the evaluation of the results of the interviews and data collected. After collecting and formulating the analyses, possible implementation actions by the companies are suggested.

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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/ Repositório Instituc...arrow_drop_down
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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/
    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).

    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/ Estudo Geralarrow_drop_down
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    Estudo Geral
    Master thesis . 2022
    Data sources: Estudo Geral
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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/ Estudo Geralarrow_drop_down
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      Estudo Geral
      Master thesis . 2022
      Data sources: Estudo Geral
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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/
    Authors: Ivo, Nicole de Almeida;

    Parceria com a Universidade de Lisboa - Instituto de Geografia e Ordenamento do Território Num mundo contemporâneo cada vez mais globalizado, não é de estranhar o papel que o turismo tem demonstrado num meio onde as experiências deixam de pertencer menos ao domínio do local, começando a envolver vários contactos e experiências universais, resultando num interculturalismo que compõe a partilha entre turista e comunidade, essencial ao estabelecimento de uma tipologia turística como o justice tourism. Daqui surgem vários fatores que podem, quando manobrados de certa forma, ser manipulados para o empreendimento do bem-estar e conservação das comunidades. O objetivo geral desta dissertação, passa, assim, por explicar um fenómeno turístico recente a que chamamos de justice tourism, um modelo de turismo alternativo que em muito difere de outras tipologias turísticas com que por vezes é comparado, nomeadamente o pro poor tourism e o peace through tourism, como à frente se verá. Depois de aprofundarmos os conceitos de ética, justiça, multiculturalismo, sustentabilidade, paz e direitos humanos, essenciais para enquadrar e problematizar o justice tourism, a nossa atenção debruçar-se-á na compreensão do núcleo desta tipologia turística. A sua essência, passa, assim, por ser uma forma justa de viajar entre membros de diferentes comunidades, visando atingir o entendimento mútuo, solidariedade e igualdade entre participantes. O justice tourism é um dos mais eficazes meios de promover o entendimento e respeito mútuos, bem como a educação, trocas económicas e proteção ambiental, tendo um papel central na conservação da vida comunitária. Com o aprofundamento de tais conceitos levaremos a nossa direção para o caso empírico da Guiné-Bissau. Com uma história marcadamente conturbada, marcada por sucessivos golpes de Estado, crises políticas, corrupção e pelo seu relevante papel no narcotráfico, o país parece não encontrar maneira de aproveitar os seus vastos recursos naturais e a conservação dos seus grupos étnicos para a promoção de um turismo sustentável que levaria a um maior desenvolvimento político, cultural e económico. Assim, compreendendo informação relativa às características que compõem a Guiné Bissau, perceberemos se será possível implementar no país este modelo de turismo que se denomina de justice tourism. In an increasingly globalized contemporary world, it is not surprising to notice the role that tourism has shown in a milieu where experiences not only belong to the realm of the local, thus beginning to get involved in various universal contacts and experiences. This results in an interculturalism that makes the sharing between tourist and community essential to the establishment of a tourist typology such as justice tourism. From here arise several factors that can, when maneuvered in a certain way, be manipulated for the undertaking of the communities' well-being and conservation. The primary goal of this dissertation is, therefore, to explain the recent tourist phenomenon that we call justice tourism, an alternative tourism model that is very different from other tourist typologies with which it is sometimes compared, namely poor pro tourism and peace through tourism, as we will see below. After dwelling into the concepts of ethics, justice, multiculturalism, sustainability, peace and human rights, essential to frame and problematize justice tourism, our attention will focus on understanding the core of this tourist typology. Its essence is, therefore, to be a fair way of traveling among members of different communities, aiming to achieve mutual understanding, solidarity and equality among participants. Justice tourism is one of the most effective means of promoting mutual understanding and respect, as well as education, economic exchange, and where environmental protection plays a central role in the conservation of life within the community. With the deepening of such concepts, we will redirect our attention to the empirical case of Guinea-Bissau. With a troubled history, marked by successive coups d'état, political crises, corruption and its relevant role in drug trafficking, the country does not seem to find a way to take advantage of its vast natural resources and the conservation of its ethnic groups for the promotion of a sustainable tourism that would lead to greater political, cultural and economic development. Thus, by collecting data regarding the characteristics that make up Guinea-Bissau, we will try to determine the possibilities of implementing justice tourism in the country.

    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/ Repositório Comumarrow_drop_down
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    Repositório Comum
    Master thesis . 2022
    Data sources: Repositório Comum
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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/ Repositório Comumarrow_drop_down
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      Repositório Comum
      Master thesis . 2022
      Data sources: Repositório Comum
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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/
    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.

    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/ Estudo Geralarrow_drop_down
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    Estudo Geral
    Master thesis . 2021
    Data sources: Estudo Geral
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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/ Estudo Geralarrow_drop_down
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      Estudo Geral
      Master thesis . 2021
      Data sources: Estudo Geral
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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: Cardoso, André Filipe Silva;

    No município do Seixal, pretende-se estudar a implementação de um projeto para a produção de hidrogénio verde. Este projeto nasceu pela necessidade de responder às metas da descarbonização em Portugal, como sendo uma forte ferramenta para alcançarmos a desejada neutralidade carbónica. O projeto piloto tem como base a obtenção de hidrogénio verde para descarbonizar setores e eletrificar os mesmos de uma maneira “verde”. Neste âmbito, o município do Seixal está empenhado na criação de uma comunidade de energias renováveis para fornecimento de energia ao parque industrial do Seixal e dessa mesma energia verde, fazer uso por meio de um sistema eletrolisador para a obtenção de hidrogénio verde para várias finalidades. Desta forma, no presente projeto, após uma parte teórica acerca dos métodos de obtenção de hidrogénio, modos de utilização do mesmo, e contextualização do hidrogénio em Portugal, é proposto um estudo para aferir a forma mais rentável de utilização do hidrogénio resultante desse projeto piloto do município. Serão apresentados diferentes cenários, tais como a utilização do hidrogénio em três cadeias de valor, sendo estas power-to-mobility, power-to-gas e power-to-power e ainda dois contextos onde a energia utilizada na produção de hidrogénio tem proveniências distintas, um sistema fotovoltaico privado e outro comunitário. Todos os cenários apresentados por meio de uma análise financeira, resultam em valores que na atualidade permitem ser minimamente aceitáveis sem recurso a quaisquer incentivos monetários. No futuro, com o amadurecimento das tecnologias poderá ser possível obter resultados mais favoráveis, na medida em que os períodos de retorno do investimento nos vários cenários será inferior, conseguindo-se assim uma introdução do hidrogénio mais acessível nos vários setores económicos e uma economia cada vez mais neutra em carbono, indo de encontro às perspetivas europeias. This project was born from the necessity of achieving the decarbonization targets set in Portugal in order to reach the so desired carbon neutrality and as so, it is going to be investigated the implementation of a green hydrogen production project under Seixal’s municipality. The pilot project basis is established in the obtention of green hydrogen in order to decarbonize sectors and start the process of electrification in a green way. Additionally Seixal’s municipality is invested in the creation of a renewable energies community mainly focused to supply its own industrial complex, and use that same green energy through an electrolyser system in order to obtain green hydrogen for multiple purposes. Firstly, this project will introduce the process of hydrogen obtention, utilization and contextualization in Portugal, followed by a study to assess the best way, rate of return wise, to use the hydrogen sourced from the municipality’s pilot project. Several scenarios will be presented, such as the use of hydrogen in three chain values: power-to-mobility, power-to-gas and power-to-power. There are also two additional contexts where the energy used in the hydrogen production came from two distinct sources: a private photovoltaic system and a communitary one. All of the scenarios are presented through a financial analysis that result in actual minimal acceptable values with no financial incentives needed. However, futuristically, and technologically speaking, given the technological improvement on the equipment used, it is possible to obtain favourable results in such a way that the payback period on every scenario will be lower, hence making it an accessible insertion of hydrogen energy for all the economic sectors involved, contributing overall towards a more carbon neutral economy and therefore meeting the European set targets.

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    Repositório Comum
    Master thesis . 2022
    Data sources: Repositório Comum
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      Repositório Comum
      Master thesis . 2022
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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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    Estudo Geral
    Master thesis . 2022
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      Estudo Geral
      Master thesis . 2022
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    Authors: Matias, Daniel Rodrigues;

    Esta dissertação explora as potencialidades do enoturismo sustentável na região de Torres Vedras, em Portugal. Com base em uma revisão bibliográfica sobre o tema, foram identificadas as principais práticas de enoturismo sustentável e seu impacto positivo na conservação ambiental e no desenvolvimento socioeconómico, no concelho, em Portugal e também no mundo. A pesquisa foi realizada às entidades de enoturismo da região, onde foram coletados dados quantitativos por meio de questionários aos responsáveis por essas unidades. Os resultados mostram que apesar de ainda a região de Torres Vedras possui um grande potencial para o desenvolvimento de enoturismo sustentável, pois para além do trabalho que tem vindo a ser feito por parte das entidades publicas da região, conta ainda com suas paisagens naturais e ricas tradições ligadas à vitivinicultura. Tendo em conta que cada vez mais há uma procura por parte dos turistas em destinos e empresas que tenham preocupações e atitudes ambientais responsáveis, ainda há muito trabalho a ser feito por parte das empresas inquiridas neste estudo. Para além disso, ainda existe uma grande necessidade que todas as entidades locais trabalhem em conjunto para que exista um o desenvolvimento sustentável no concelho. O estudo conclui que o enoturismo sustentável pode ser uma estratégia importante para promover o desenvolvimento socioeconómico da região de Torres Vedras, ao mesmo tempo em que se preserva o património natural e cultural da região e ainda pode permitir ao concelho ser o primeiro destino de enoturismo sustentável no mundo. This dissertation explores the potential of sustainable wine tourism in the Torres Vedras region of Portugal. Based on a literature review on the topic, the main sustainable wine tourism practices and their positive impact on environmental conservation and socio-economic development, in the county, in Portugal and also worldwide, were identified. The research was carried out to the wine tourism entities in the region, where quantitative data was collected by means of questionnaires to those responsible for these units. The results show that although the Torres Vedras region still has great potential for the development of sustainable wine tourism, because besides the work that has been done by the public entities in the region, it still has its natural landscapes and rich traditions linked to vitiviniculture. Bearing in mind that there is an increasing demand from tourists for destinations and companies with responsible environmental concerns and attitudes, there is still a lot of work to be done by the companies surveyed in this study. Besides this, there is still a great need for all the local entities to work together so that there may be a sustainable development in the municipality. The study concludes that sustainable wine tourism can be an important strategy to promote the socio-economic development of the Torres Vedras region, while preserving the natural and cultural heritage of the region and can also allow the municipality to be the first sustainable wine tourism destination in the world.

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    IC-online
    Master thesis . 2023
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      IC-online
      Master thesis . 2023
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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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    Estudo Geral
    Master thesis . 2021
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      Master thesis . 2021
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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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    ZENODO
    Article . 2021
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    ZENODO
    Article . 2021
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    ZENODO
    Article . 2021
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      Article . 2021
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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/
    Authors: Vilaça, Patrícia Pinheiro da Silva;

    Atualmente, existe uma necessidade cada vez maior das empresas adotarem algum tipo de medida de responsabilidade social corporativa. É uma obrigação da empresa alcançar metas sustentáveis de longo prazo para os seus funcionários e também para o mundo em geral. O papel do gestor de operações é conseguir balançar todos os desafios que surgem à medida que o ambiente económico, social político e tecnológico altera. Há toda uma análise necessária entre os incentivos que o governo de cada país fornece e o proveito que a empresa consegue retirar da implementação destas políticas. Surge aqui a questão fulcral se a adoção destas políticas não é meramente por interesses económicos por parte destas organizações. O presente trabalho visa, por isso, avaliar a aplicação de medidas de responsabilidade social corporativa em empresas internacionais. Foi elaborado através do estudo e análise de duas organizações internacionais com as suas operações já delineadas, a FARFETCH e a FERPINTA. Ao longo do trabalho são avaliados os desafios enfrentados por estes dois grupos internacionais cujo as indústrias nas quais operam são inequivocamente diferentes. Inicialmente, realiza-se revisão de literatura, de seguida é feito um resumo dos dois grupos. Posteriormente, é feita a análise das entrevistas levadas a cabo com diferentes colaboradores e de diferentes departamentos das empresas de forma a recolher uma amostra variada dos pontos de vistas e das ações de responsabilidade social levadas a cabo. Por fim, é feita uma análise geral com a análise dos resultados das entrevistas e dados recolhidos. Após recolhidas e formuladas as análises, são sugeridas possíveis ações de implementação por parte das empresas. Currently, there is an increasing need for companies to adopt some kind of corporate social responsibility measure. It is an obligation of the company to achieve sustainable long-term goals for its employees and also for the world at large. The operations manager's role is to balance all the challenges that arise as the economic, social, political, and technological environment changes. There is a whole necessary analysis between the incentives that the government of each country provides and the benefit that the company is able to derive from the implementation of these policies. Here, the central question arises whether the adoption of these policies is not merely for economic interests. The present work aims, therefore, to evaluate the application of corporate social responsibility measures in international companies. It was prepared through the study and analysis of two international organizations with their operations already outlined, FARFETCH and FERPINTA. Throughout the work, the challenges faced by these two international groups whose industries in which they operate are unequivocally different are evaluated. Initially, a literature review is carried out, followed by a summary of the two groups. Subsequently, an analysis of the interviews is carried out with different employees and from different departments of the companies in order to collect a varied sample of the points of view and the social responsibility actions implemented. Finally, a general analysis is made with the evaluation of the results of the interviews and data collected. After collecting and formulating the analyses, possible implementation actions by the companies are suggested.

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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/
    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: Ivo, Nicole de Almeida;

    Parceria com a Universidade de Lisboa - Instituto de Geografia e Ordenamento do Território Num mundo contemporâneo cada vez mais globalizado, não é de estranhar o papel que o turismo tem demonstrado num meio onde as experiências deixam de pertencer menos ao domínio do local, começando a envolver vários contactos e experiências universais, resultando num interculturalismo que compõe a partilha entre turista e comunidade, essencial ao estabelecimento de uma tipologia turística como o justice tourism. Daqui surgem vários fatores que podem, quando manobrados de certa forma, ser manipulados para o empreendimento do bem-estar e conservação das comunidades. O objetivo geral desta dissertação, passa, assim, por explicar um fenómeno turístico recente a que chamamos de justice tourism, um modelo de turismo alternativo que em muito difere de outras tipologias turísticas com que por vezes é comparado, nomeadamente o pro poor tourism e o peace through tourism, como à frente se verá. Depois de aprofundarmos os conceitos de ética, justiça, multiculturalismo, sustentabilidade, paz e direitos humanos, essenciais para enquadrar e problematizar o justice tourism, a nossa atenção debruçar-se-á na compreensão do núcleo desta tipologia turística. A sua essência, passa, assim, por ser uma forma justa de viajar entre membros de diferentes comunidades, visando atingir o entendimento mútuo, solidariedade e igualdade entre participantes. O justice tourism é um dos mais eficazes meios de promover o entendimento e respeito mútuos, bem como a educação, trocas económicas e proteção ambiental, tendo um papel central na conservação da vida comunitária. Com o aprofundamento de tais conceitos levaremos a nossa direção para o caso empírico da Guiné-Bissau. Com uma história marcadamente conturbada, marcada por sucessivos golpes de Estado, crises políticas, corrupção e pelo seu relevante papel no narcotráfico, o país parece não encontrar maneira de aproveitar os seus vastos recursos naturais e a conservação dos seus grupos étnicos para a promoção de um turismo sustentável que levaria a um maior desenvolvimento político, cultural e económico. Assim, compreendendo informação relativa às características que compõem a Guiné Bissau, perceberemos se será possível implementar no país este modelo de turismo que se denomina de justice tourism. In an increasingly globalized contemporary world, it is not surprising to notice the role that tourism has shown in a milieu where experiences not only belong to the realm of the local, thus beginning to get involved in various universal contacts and experiences. This results in an interculturalism that makes the sharing between tourist and community essential to the establishment of a tourist typology such as justice tourism. From here arise several factors that can, when maneuvered in a certain way, be manipulated for the undertaking of the communities' well-being and conservation. The primary goal of this dissertation is, therefore, to explain the recent tourist phenomenon that we call justice tourism, an alternative tourism model that is very different from other tourist typologies with which it is sometimes compared, namely poor pro tourism and peace through tourism, as we will see below. After dwelling into the concepts of ethics, justice, multiculturalism, sustainability, peace and human rights, essential to frame and problematize justice tourism, our attention will focus on understanding the core of this tourist typology. Its essence is, therefore, to be a fair way of traveling among members of different communities, aiming to achieve mutual understanding, solidarity and equality among participants. Justice tourism is one of the most effective means of promoting mutual understanding and respect, as well as education, economic exchange, and where environmental protection plays a central role in the conservation of life within the community. With the deepening of such concepts, we will redirect our attention to the empirical case of Guinea-Bissau. With a troubled history, marked by successive coups d'état, political crises, corruption and its relevant role in drug trafficking, the country does not seem to find a way to take advantage of its vast natural resources and the conservation of its ethnic groups for the promotion of a sustainable tourism that would lead to greater political, cultural and economic development. Thus, by collecting data regarding the characteristics that make up Guinea-Bissau, we will try to determine the possibilities of implementing justice tourism in the country.

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    Repositório Comum
    Master thesis . 2022
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      Repositório Comum
      Master thesis . 2022
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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: Cardoso, André Filipe Silva;

    No município do Seixal, pretende-se estudar a implementação de um projeto para a produção de hidrogénio verde. Este projeto nasceu pela necessidade de responder às metas da descarbonização em Portugal, como sendo uma forte ferramenta para alcançarmos a desejada neutralidade carbónica. O projeto piloto tem como base a obtenção de hidrogénio verde para descarbonizar setores e eletrificar os mesmos de uma maneira “verde”. Neste âmbito, o município do Seixal está empenhado na criação de uma comunidade de energias renováveis para fornecimento de energia ao parque industrial do Seixal e dessa mesma energia verde, fazer uso por meio de um sistema eletrolisador para a obtenção de hidrogénio verde para várias finalidades. Desta forma, no presente projeto, após uma parte teórica acerca dos métodos de obtenção de hidrogénio, modos de utilização do mesmo, e contextualização do hidrogénio em Portugal, é proposto um estudo para aferir a forma mais rentável de utilização do hidrogénio resultante desse projeto piloto do município. Serão apresentados diferentes cenários, tais como a utilização do hidrogénio em três cadeias de valor, sendo estas power-to-mobility, power-to-gas e power-to-power e ainda dois contextos onde a energia utilizada na produção de hidrogénio tem proveniências distintas, um sistema fotovoltaico privado e outro comunitário. Todos os cenários apresentados por meio de uma análise financeira, resultam em valores que na atualidade permitem ser minimamente aceitáveis sem recurso a quaisquer incentivos monetários. No futuro, com o amadurecimento das tecnologias poderá ser possível obter resultados mais favoráveis, na medida em que os períodos de retorno do investimento nos vários cenários será inferior, conseguindo-se assim uma introdução do hidrogénio mais acessível nos vários setores económicos e uma economia cada vez mais neutra em carbono, indo de encontro às perspetivas europeias. This project was born from the necessity of achieving the decarbonization targets set in Portugal in order to reach the so desired carbon neutrality and as so, it is going to be investigated the implementation of a green hydrogen production project under Seixal’s municipality. The pilot project basis is established in the obtention of green hydrogen in order to decarbonize sectors and start the process of electrification in a green way. Additionally Seixal’s municipality is invested in the creation of a renewable energies community mainly focused to supply its own industrial complex, and use that same green energy through an electrolyser system in order to obtain green hydrogen for multiple purposes. Firstly, this project will introduce the process of hydrogen obtention, utilization and contextualization in Portugal, followed by a study to assess the best way, rate of return wise, to use the hydrogen sourced from the municipality’s pilot project. Several scenarios will be presented, such as the use of hydrogen in three chain values: power-to-mobility, power-to-gas and power-to-power. There are also two additional contexts where the energy used in the hydrogen production came from two distinct sources: a private photovoltaic system and a communitary one. All of the scenarios are presented through a financial analysis that result in actual minimal acceptable values with no financial incentives needed. However, futuristically, and technologically speaking, given the technological improvement on the equipment used, it is possible to obtain favourable results in such a way that the payback period on every scenario will be lower, hence making it an accessible insertion of hydrogen energy for all the economic sectors involved, contributing overall towards a more carbon neutral economy and therefore meeting the European set targets.

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    Repositório Comum
    Master thesis . 2022
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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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    Estudo Geral
    Master thesis . 2022
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      Estudo Geral
      Master thesis . 2022
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    Authors: Matias, Daniel Rodrigues;

    Esta dissertação explora as potencialidades do enoturismo sustentável na região de Torres Vedras, em Portugal. Com base em uma revisão bibliográfica sobre o tema, foram identificadas as principais práticas de enoturismo sustentável e seu impacto positivo na conservação ambiental e no desenvolvimento socioeconómico, no concelho, em Portugal e também no mundo. A pesquisa foi realizada às entidades de enoturismo da região, onde foram coletados dados quantitativos por meio de questionários aos responsáveis por essas unidades. Os resultados mostram que apesar de ainda a região de Torres Vedras possui um grande potencial para o desenvolvimento de enoturismo sustentável, pois para além do trabalho que tem vindo a ser feito por parte das entidades publicas da região, conta ainda com suas paisagens naturais e ricas tradições ligadas à vitivinicultura. Tendo em conta que cada vez mais há uma procura por parte dos turistas em destinos e empresas que tenham preocupações e atitudes ambientais responsáveis, ainda há muito trabalho a ser feito por parte das empresas inquiridas neste estudo. Para além disso, ainda existe uma grande necessidade que todas as entidades locais trabalhem em conjunto para que exista um o desenvolvimento sustentável no concelho. O estudo conclui que o enoturismo sustentável pode ser uma estratégia importante para promover o desenvolvimento socioeconómico da região de Torres Vedras, ao mesmo tempo em que se preserva o património natural e cultural da região e ainda pode permitir ao concelho ser o primeiro destino de enoturismo sustentável no mundo. This dissertation explores the potential of sustainable wine tourism in the Torres Vedras region of Portugal. Based on a literature review on the topic, the main sustainable wine tourism practices and their positive impact on environmental conservation and socio-economic development, in the county, in Portugal and also worldwide, were identified. The research was carried out to the wine tourism entities in the region, where quantitative data was collected by means of questionnaires to those responsible for these units. The results show that although the Torres Vedras region still has great potential for the development of sustainable wine tourism, because besides the work that has been done by the public entities in the region, it still has its natural landscapes and rich traditions linked to vitiviniculture. Bearing in mind that there is an increasing demand from tourists for destinations and companies with responsible environmental concerns and attitudes, there is still a lot of work to be done by the companies surveyed in this study. Besides this, there is still a great need for all the local entities to work together so that there may be a sustainable development in the municipality. The study concludes that sustainable wine tourism can be an important strategy to promote the socio-economic development of the Torres Vedras region, while preserving the natural and cultural heritage of the region and can also allow the municipality to be the first sustainable wine tourism destination in the world.

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    IC-online
    Master thesis . 2023
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      IC-online
      Master thesis . 2023
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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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    Estudo Geral
    Master thesis . 2021
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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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    Article . 2021
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    Article . 2021
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    Article . 2021
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      Article . 2021
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