“…However; in this part of the article, primarily the series that consider the relationship among economic growth, energy consumption, air transportation and CO 2 emissions are discussed as well. Some of these research paper investigate the CO 2 emissions, energy consumption, and economic growth by taking into account the Environmental Kuznets Curve (EKC) in the academic literature (Beşe and Kalayci, 2021;Farooq et al, 2022, Kalayci andÖzden, 2021;Ozkan et al, 2019;Ozturk et al, 2016;Ozturk et al, 2021;Sheikhzeinoddin et al, 2022;Yazici, 2022). Considering the air transportation as independent variable in terms of EKC hypothesis, there are limited amount researches (Erdoğan et al, 2020;Gyamfi et al, 2022;Kalayci and Yanginlar, 2016;Kalayci and Yazici, 2016) in the academic literature.…”