Carbon dioxide (CO2) emissions have been the key source of extreme environmental degradation and have an adverse impact on climate and human activities. Although a large number of studies have explored the determinants of CO2 emissions, the role of institutional quality has not been fully studied. Our study contributes to the existing literature by examining the influence of financial development, institutional quality, foreign direct investment, trade openness, urbanization, and renewable energy consumption on CO2 emissions over the period 1996–2020 by utilizing the dynamic autoregressive distributed lag simulations. The empirical findings of the study indicate that the indicators of governance, trade, financial development, and renewable energy consumption adversely affect CO2 emissions, while urbanization and foreign direct investment contribute to environmental degradation. The empirical results of this study indicate that in order to mitigate environmental degradation and to achieve environmental sustainability, the government should establish consistency between environmental and economic policies. Moreover, in order to achieve low carbon emissions and sustainable development, countries need viable financial institutions that focus on green growth by promoting clean production process strategies to ensure the reduction of CO2 emissions.