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This paper tries to show how the relationship between energy production, obtained from renewable sources based on low-power generators, and passive house's design, can be a clue to get low consumption energy buildings. As it is briefly described in this paper, we have applied a Live Cycle Assessment procedure in a vocational training school, and we have detected the main points of energy consumption that can be modified to obtain long-term cost savings. What we have also found is that, after applying the mentioned methodology to this kind of public building, where it is developed an educational activity, the value added of the service given and the image of the educational institution among the community can be improved, according to the three constituent parts that usually define the sustainable development. The main aim of this paper is to offer a simple action protocol to improve the cost of the power invoice, mainly by reducing the environmental impact. Although the initial cost may intimidate the understandings and application of these measures, such an approach will promote the rising awareness in the students and teaching staff, setting environmental friendly practices as everyday routines.
This paper tries to show how the relationship between energy production, obtained from renewable sources based on low-power generators, and passive house's design, can be a clue to get low consumption energy buildings. As it is briefly described in this paper, we have applied a Live Cycle Assessment procedure in a vocational training school, and we have detected the main points of energy consumption that can be modified to obtain long-term cost savings. What we have also found is that, after applying the mentioned methodology to this kind of public building, where it is developed an educational activity, the value added of the service given and the image of the educational institution among the community can be improved, according to the three constituent parts that usually define the sustainable development. The main aim of this paper is to offer a simple action protocol to improve the cost of the power invoice, mainly by reducing the environmental impact. Although the initial cost may intimidate the understandings and application of these measures, such an approach will promote the rising awareness in the students and teaching staff, setting environmental friendly practices as everyday routines.
This study analyzes the environmental performance of the Municipal Solid Waste Management System (MSWMS) of Piedade, São Paulo, from a systemic perspective. A life cycle assessment (LCA) technique was applied according to an attributional approach to evaluate both the current operational situation and different prospective scenarios, which were devised based on the application of targets for recycling dry and wet waste suggested by the pre-draft version of the Brazilian Plan for Solid Waste. The life cycle impact assessment method EcoIndicator 99, in association with normalization and weighting procedures, was used to conduct the analysis. It was observed that the adoption of goals of 30%, 50% and 70% for recovering of the recyclable dry waste, resulted in improvement of the environmental performance of the waste management system under analysis, respectively of 10%, 15% and 20%. It was also possible to detect an evolution in the order of 54% in reducing impacts resulting from the adoption of targets for composting. LCA proved to be effective for the evaluation of the environmental performance of MSWMS-Piedade. However, for future evaluations, the attributional approach should be replaced by the methodological practice of substitution to enable the avoided burdens to be considered in estimations of the environmental performance municipal solid waste management systems.
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