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We investigate the impact of urbanization on CO₂ emissions by applying the Stochastic Impacts by Regression on Population, Affluence and Technology (STIRPAT) in the case of Malaysia over the period of 1970Q1–2011Q4. Empirically, after testing the integrating properties of the variables using the unit root test, we applied the Bayer–Hanck combined cointegration approach to examine the cointegration relationship between the variables. Further, we tested the robustness of the long-run relationship in the presence of structural breaks using ARDL bounds testing approach. The causal relationship between the variables is investigated by applying the VECM Granger causality test. Our results validate the existence of cointegration in the presence of structural breaks. The empirical results exposed that economic growth is a major contributor to CO₂ emissions. Besides, energy consumption raises emissions intensity …