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    Coal consumption-environmental sustainability nexus in developed and developing major coal-consuming economies
    (Cell Press, 2024) Alhassan, Abdulkareem; Ozturk, Ilhan; AL-Zyoud, Mohammad Fahmi; Bekun, Festus Victor
    Coal is crucial for economic progress but equally baneful to the environment. Thus, the coal consumption-environmental sustainability nexus attracted the attention of both policymakers and scholars. This study evaluates the coal consumption-environment nexus in developed and developing countries over the period 2000-2020. We used panel data econometric techniques and the Augmented Anderson-Hsiao (AAH) two-step GMM estimator to assess and compare the impact of coal consumption on CO2. The findings revealed that the consumption of coal aggravates environmental pollution and hinders environmental sustainability. Thus, this study confirms the environment-destroying effect of coal consumption. However, the findings reveal that the negative consequence of coal consumption on the environment is more for the sample of developed countries than that of developing countries. This suggests that coal use harms the environment developed economies than the developing countries. Specifically, we found that the carbon emissions emanating from a one percent (1%) increase in coal consumption of the developed countries is about six-fold more than that of the developing countries. Therefore, this study suggests a gradual phase-out, rather than sudden phase-out, of coal consumption with greater emphasis on developed countries. The implementation of the coal phase-out policy and the removal of fossil fuel subsidies should start with the developed countries or be made more stringent in such countries than the developing economies. The developed countries should relinquish a greater proportion of their coal consumption than the developing countries.
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    Synthesizing the role of technological innovation on sustainable development and climate action: Does governance play a role in sub-Saharan Africa?
    (Elsevier, 2023) Ofori, Elvis Kwame; Ozturk, Ilhan; Bekun, Festus Victor; Alhassan, Abdulkareem; Gimba, Obadiah Jonathan
    The present study draws motivation from United Nation Sustainable Development Goals (UNSDGs) and its impact by 2030. To this end, the current study explored the nexus between energy consumption (SDG-7), climate action (SDG-13), and economic growth (SDG-8) while controlling for role of government apparatus such as like voice of accountability, rule of law, control of corruption and technology innovation in a balanced panel of 46 Sub-Saharan African (SSA) economies from 1996 to 2020. For a robust study, the present study leverages on secondgeneration estimator such as cross-sectional SUR, two-stage least square (2SLS), 2SLS is referred to as the superior estimators to traditional pool OLS due to its capabilities of including endogenous regressors and efficiency. Empirical findings show that all the coefficients associated with mobile subscription (lnTI) are negative and statistically significant at 1% level of significance (P-value <0.01). This indicates that higher (lower) mobile cellular subscriptions results in the reduction (rise) of renewable energy consumption, implying that technological innovation in terms of the expansion of mobile cellular subscription hinders access to clean energy in SSA. Conclusively, the present study presents interesting outcomes concerning technology innovation, Governance, and SDGs goal 7 (clean energy) and 13 (climate action) in Sub-Saharan African blocs. Policy strategies are outlined in the concluding section.