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Emissão de Gases do Efeito Estufa com Base na Geração de Resíduos Sólidos Domésticos e Consumo de Energia Elétrica na Escola de Engenharia de Lorena

The increase in demands related to various sectors of society, mainly with the use of land and energy, intensified the generation and disposal of solid waste and greenhouse gas (GHG) emissions. As a result, measures aimed at controlling and minimizing GHG emissions had to become a reality and one of these measures was the creation of an indicator called the carbon footprint or CF indicator, which counts carbon emissions from various activities or across the phases of a product. One of the main sources of GHG generation is the generation of domestic solid waste, which involves the collection, transport and final disposal in a sanitary landfill, with all stages capable of generating GHG; and the consumption of electricity. Therefore, the objective of this project is the quantification of GHG from the generation of domestic solid waste and electric energy consumption at the School of Engineering of Lorena – EEL. For this, the methodology described in the Intergovernmental Panel on Climate Change (IPCC) Guidelines for National Greenhouse Gas Inventories Volume 5 on Waste and the average monthly emission factor of the Brazilian Interconnected System (SIN) for the base years 2020 and 2021 were used. As a result, it was obtained that the potential for generating methane (CH4) from the generation of waste in the EEL is 0,0015 Gg, so the CH4 emission considering the first-rate decay method order is 0,0014 GgCH4 or 1,4 tCH4; and that the total emission from electricity consumption during the year (May 2020 to April 2021) was 556,8 tons of carbon dioxide (tCO2). These values are below the GHG generation of other universities consulted, however, it is worth mentioning that the period analyzed in this study comprises the period of suspension of academic classroom activities. It is recommended that these analyzes be carried out semi-annually to assess the impact of the return of face-to-face activities on campus.