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Sustainable Material Selection:Guiding the Multi-Criteria Process to Design for Sustainable InnovationHald, Saga January 2019 (has links)
In the past decades, the world has noticed complex changes in its climate. The resources available now as well as in the future could be said to be analogous to the decreasing circumference of a funnel. The wealthy population with the means to elect what goods they wish to consume are becoming aware of their impact both on nature as well as on the less fortunate people of the planet. As a consequence environmental and human-centered factors are of higher priority than ever before in the decisions made by companies, which in turn will decide the future. This thesis aims to investigate what set of criteria can be seen as most relevant for sustainable material selection at a manufacturing company. To be relevant for the future these design criteria are decided with a base in modern research from the past decade in the field of material selection. The company chosen as a case to study and collaborate with was IKEA Components AB. The research was conducted on-site at the company’s facilities in Älmhult, Småland, as well as at the Blekinge Institute of Technology in Karlskrona, Blekinge. The company vision for the future which IKEA is striving towards is focused on lowering carbon dioxide equivalents, from which a lion share of the emissions is a result of the material they are selecting for their products. Experts within various fields of the chosen company were consulted to gain perspective and knowledge while designing and testing prototypes of a tool to facilitate a sustainable material selection. The metal alloys were analyzed for toxicity based on the percentages of all elements they contained and scored based on chosen sustainability criteria. The plastics were judged on recyclability, renewability, and degradability apart from available numbers for emission factors. After this, the materials were placed in the excel tool which was then tested by engineers and evaluated in semi-structured interviews. Updates were made to make the tool as user-friendly as was possible and new tests were conducted. Overall, the tool was appreciated by the users who tested it and more improvements were planned to finalize the prototype. Results are detailed in the latter part of the report, discussing designs the engineers preferred over others, the current scale of sustainability tools used in the company and how the testers scored the tool. In the discussion, criteria are evaluated based on their multi-criteria compliance with sustainability factors. Drawing conclusions about the subject of sustainability criteria was accomplished by conducting literature studies in material criticality, making use of the methods for sustainable product development taught in the master of science, investigating material toxicity, testing solutions for sustainable material selection at a typical furniture component manufacturing company, receiving feedback from constructors and exploring connections for the selected methods to the principles of sustainability.
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Shaping the future of hydraulic fracturing in the Canadian Arctic through environmental guidelinesElfving, Sanna January 2015 (has links)
Yes / This paper addresses the regulation of energy resource projects on indigenous lands in the Canadian Arctic and the role of environmental impact assessment in these projects, specifically those involving hydraulic fracturing. Taking an environmental point of view, this paper argues that in the absence of specific territorial legislation applying to shale gas development in Nunavut and the onshore portion of the Inuvialuit Settlement Region in Northwest Territories the federal regulator, the National Energy Board, has a key role in promoting transparency, public participation, safety and sustainable use of natural resources. As part of its environmental protection responsibilities, the Board, inter alia, ensures that an environmental impact assessment is conducted before any proposed hydraulic fracturing activities commence on indigenous lands, which in some cases include an extensive public consultation. In 2013 the Board adopted rigorous guidelines for all onshore oil and gas projects involving hydraulic fracturing which address many of the concerns raised over shale gas development, including surface and groundwater contamination; impact on air quality; induced seismicity and reluctance of industry to disclose chemicals used in hydraulic fracturing. Although these guidelines are non-binding on the Board, their adoption means that it will be challenging for the operators to obtain an authorisation from the Board should they fail to conduct an environmental impact assessment. This paper argues that these guidelines exceed the best practices widely adopted by the Canadian shale gas industry. It concludes that because the guidelines address a number of concerns raised by the public they could potentially be used as the minimum standards for hydraulic fracturing operations in other regions outside Arctic Canada.
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