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Due to a growing challenge to feed the world’s population and an increased awareness to minimize the impact of our food choices on climate change, a more plant-based diet has gained popularity with a growing number of plant-based products on the market. To stimulate a plant-based diet that also improves long-term health, data are needed to monitor whether these products are healthy alternatives to animal-based foods. Therefore, this study inventoried 916 plant-based meat, fish, and dairy alternatives from eight Dutch supermarkets. The nutritional quality of each product was assessed by (1) the Dutch food-based dietary guidelines and (2) the Nutri-Score. The results show that over 70% of meat, fish, and dairy alternatives have an A/B Nutri-Score (indicating high nutritional quality), but do not comply with the Dutch dietary guidelines. This is mainly due to high salt and low vitamin B12 and iron content (meat and fish alternatives) or low protein and calcium levels (dairy alternatives). In conclusion, the majority of plant-based products are nutritionally not full alternatives of the animal-based equivalents; however, there are still opportunities for reformulation. To aid the consumer in making healthy plant-based food choices, a better alignment between the Nutri-Score and the recommended dietary guidelines is needed.
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For centuries, natural gas has been one of humanity’s main energy sources. The gas sector is still heavily reliant on natural gas production; however, as natural gas fields contain only a finite quantity of gas, its continued extraction is leading to the resource’s depletion. Furthermore, natural gas production has become a subject of debate, with many considering continued utilisation incompatible with the achievement of international and European climate goals. The need for alternative gases that are less damaging to the environment is becoming increasingly evident. Biomethane has shown itself to be a reliable alternative to natural gas, and if sourced and manufactured responsibly results in no new CO2 emissions. Another alternative, hydrogen, can, through the process of methanisation, be converted into synthetic natural gas (SNG). This chapter discusses the legal aspects of the production and use of biomethane, hydrogen and SNG.
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Coupling beams between shear walls are one of the key elements for energy dissipation in tall buildings. A representative mathematical model of coupling beam should represent flexure, shear and interface slip/extension mechanisms simultaneously. This goal can be achieved by using either detailed finite element models or by using macro models. This paper presents a review of various macro model alternatives for diagonally reinforced coupling beams in the literature. Three distinct methods have been reviewed in terms of their modeling techniques, the cyclic response overlap and the amount of cumulative plastic energy dissipated based on the results of previously performed tests. Through an analytical study, adequately accurate results can be captured by using macro models, although they are simpler in practice compared to sophisticated micro models. This study shows that, by modifying ultimate shear capacities where concrete material between diagonal bundles is adequately confined, it is possible to capture a more realistic result and a better approximation to the actual responses. It is also concluded that a simpler numerical model for diagonally reinforced coupling beams can be achieved by introducing linear part of slip/extension behavior into elastic part of the beam. It is observed, as a result of this study, that the ratio of effective stiffness to that of the gross cross-sectional one ranges from 0.04 to 0.14 in diagonally reinforced coupling beams depending on the aspect ratio and the beam strength parameters.
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Despite the willingness of many educational institutions worldwide to embrace Education for Sustainable Development and Education for Sustainable Development Goals, critical scholars have pointed out that the very enterprise of sustainable development is not without its contradictions. Therefore, any education that engages with sustainable development needs to be carefully reviewed, rather than supported, in its ambition to promote the supposedly universally desirable aims. The rhetoric of sustainable development as meeting the needs of present and future generations is largely anthropocentric in failing to take nonhuman species into account when setting up pragmatic and ethical objectives. Similarly to the Millennium Development Goals (MDGs) that have helped to raise living standards across the world, but have largely failed to address environmental sustainability challenges, the Sustainability Development Goals (SDGs) tend to prioritize “inclusive economic growth” at the expense of ecological integrity, which is very likely to negatively affect not only nonhuman species but also future generations and their quality of life. Thus, as this chapter will argue, universally applicable Education for Sustainable Development Goals (ESDGs) is problematic in the context of addressing the long-term sustainability for both human and nonhuman inhabitants of the planet. Given escalating climate change, biodiversity loss, pollution, and depletion of natural resources, this chapter questions whether ESDGs can qualify as a desirable “quality education”. The paradoxes of sustainable development and ways forward that seem a better alternative for ESDG include indigenous/traditional learning, ecopedagogy, ecocentric education, and education for degrowth, steady-state, and Cradle-to-Cradle and circular economy. Advantages of universal education are also highlighted, as any education that supports basic literacy, numeracy, and values attributed to the intrinsic rights of humans and nonhumans can help students to be equipped to deal with social and environmental challenges. https://doi.org/10.3390/books978-3-03897-893-0-1 LinkedIn: https://www.linkedin.com/in/helenkopnina/
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From the article: Manufacturing technology can improve the turnover of a company if it enables fast market introduction for volume production. Reconfigurable equipment is developed to meet the growing demand for more agile production. Modular reconfiguration, defined as changing the structure of the machine, enables larger variation of products on a single manufacturing system; these solutions are called Reconfigurable Manufacturing Systems (RMS). The quality of RMS, and the required resources to bring it to reliable production, is largely determined by a swift execution of the reconfiguration process. This paper proposes a method to compare alternatives for the ways to implement reconfiguration. Three classes of reconfiguration are defined to distinguish the impact of the proposed alternatives. The procedure uses a recently introduced index method for development of RMS process modules. This index method is based on the Axiomatic Design theory. Weighing factors are used to calculate the resources and lead time needed to implement the reconfiguration process. Application of the method leads to quick comparison of alternatives in the early stage of development. Successful execution of the method was demonstrated for the manufacturing process of a 3D measuring probe.
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A series of new, easily synthesized C60-fullerene derivatives is introduced that allow for optimization of the interactions between rr-P3HT and the fullerene by systematic variation of the size of the ester group. Two compounds gave overall cell efficiencies of 4.8%, clearly outperforming [60]PCBM which gives 4.3% under identical conditions.
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KLM has revealed the plan to downsize the full-freight cargo fleet in Schiphol Airport, for that reason the company requires to explore the consequences of moving the cargo transported by the full freighters into the bellies of the passenger flights. In this study, the authors analyze the implications of this decision by considering the variability of the load factors and the impact that replacing old aircraft might have. The study addresses how the transition towards the belly operation should impact the current operation of KLM at Schiphol. Our study shows that the replacement of old aircraft with new 787s and 777s will have significant effect on the cargo capacity of the company. The results rise the discussion on future problems to be faced and how to make the transition from full freighter to belly operation.
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At the age of a failing economic system and undeniable evidence of the effects humankind has had over the planet, it is necessary to look for alternatives to the way we live locally. This article explores the use of designing narratives and metanarratives to co-create imaginaries serving as the needed alternatives. This research starts by considering the historical factors to understand how industrialisation and the loss of traditional practices created a culture of disconnection from Nature in the Girona area, but also looks at why people start now reconnecting with it. The analysis is the foundation for speculative design practices to co-create a new local narrative of connection and regeneration. The project adopted the Integrative Worldviews Framework and used paradoxes to create possible future worldviews based on historical factors and literature. Citizens participated in conversational future-visioning workshops to develop and evaluate their local imagery of the previously created worldviews. This conversation-based exercise evidenced the potential of paradoxes in destructive futures to create imaginaries of regeneration. These imaginaries merge and form future stories. From the future narratives, the practice created cultural artefacts embodying a new culture of connection based on storytelling, traditional jobs, and a mythological understanding of Nature. Finally, as observed at the end of the project, these artefacts allow citizens to adopt them as their culture and expand their current worldview.
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