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Due to industrial growth and several sectors of the economy, society has paid attention to climate issues due to the emission of carbon dioxide (CO2), such concern causes interest in renewable energy sources to grow. This study aims to evaluate the role of the electricity sector in the emission of polluting gases from the atmosphere. For this, a literature review was carried out in the Google Scholar and SCIELO (Livraria Científica Eletrônica Online) databases, with articles between 2011 and 2020, and the search was carried out from August to September 2017. The wordmain key “electric sector”, associated with “polluting gases” and / or “carbon dioxide” to refine the search. After applying the inclusion and exclusion criteria, the scientific works included in the sample to be analyzed were defined, leaving the most reduced and homogeneous for further discussion. 35 articles were found, then the inclusion and exclusion criteria were applied, by reading the abstracts and removing the repeated articles, the final sample was 7 selected articles. The main results show that the majority of articles published on the subject are from the year 2017, and from the state of Paraná and evaluate the panorama of a certain time interval in different situations, with something in common: how electricity impacts the emission of CO2. As a conclusion, it could be seen that the energy sector has a significant importance in the emission of CO2 in the atmosphere, therefore it is necessary to pay

O PAPEL SETOR ELÉTRICO NA EMISSÃO DE DIÓXIDO DE CARBONO NOS ÚLTIMOS DEZ ANOS