Economic growth and industrialization often default to a great dependency on fossil fuels (FF) to supply power needs. The carbon rich nature of FF combustion can impact global warming. Therefore, it is conducive to tr...Economic growth and industrialization often default to a great dependency on fossil fuels (FF) to supply power needs. The carbon rich nature of FF combustion can impact global warming. Therefore, it is conducive to transition from FF to renewable energy (RE). The present study aimed to address if replacement of a single FF by RE can mitigate carbon emissions. We conduct the study in a country undergoing mass urbanization and challenging energy demands. <span>Data from energy resources in the Power & Energy Sector Master Plan (PSMP2016;Bangladesh) are analyzed over the 2017-2021 trajectory. Two scenarios for imports, oil and coal are assessed. Environmental input output (E</span><span><span>-</span></span><span><span style="font-family:;" "=""><span>IO) analysis and percentage equivalence analysis measured data variables. The data is then further disaggregated into an emission reduction (ER) model with sensitivity analysis</span><span> to measure carbon emission reduction when each FF source is substituted by RE. </span></span></span><span>Results show the percentage share of energy generation capacity by both coal and RE increase over time. Solar and wind power contribute to the increase in RE. When oil is imported a 1% increase in oil, coal, and gas-based energy generation capacity increases carbon emissions by 1.25%, 1.48% and 0.93%, respectively. 1% increase in RE produces negligible carbon emissions (0.0042%). There was little difference in the percentages of carbon emissions when coal is imported. Substituting any FF with RE of equal energy capacity does not, in the short term, reduce carbon emissions in either scenario. Therefore, we conclude that for long term clean energy prospects in Bangladesh, RE needs to be developed to operate at greater capacity in conjunction with other carbon management factors. The research findings herein offer insights for clean energy implementation in developing nations.</span>展开更多
The energy access challenge remains a significant barrier to sustainable development,with millions of people still needing access to modern energy services.Fossil fuels have played a crucial role in meeting electricit...The energy access challenge remains a significant barrier to sustainable development,with millions of people still needing access to modern energy services.Fossil fuels have played a crucial role in meeting electricity demand,but they face challenges and drawbacks in terms of environmental sustainability,energy security,and climate change.This study examines how renewable and non-renewable energy generation capacity impacted the environment in 53 upper-middle-income countries from 1990 to 2020,using energy access and alternative energy sources as mediating variables.The findings of this study provide valuable insights into the complex relationship between renewable energy generation capacity,energy access,alternative energy sources,and environmental conditions in upper-middleincome countries.The positive relationship between renewable energy generation capacity and environmental conditions emphasizes the importance and potential of renewable energy sources in mitigating environmental degradation.Additionally,the findings indicate that energy access also plays a crucial role in shaping energy generation patterns,with higher levels of access being associated with increased renewable energy generation and decreased reliance on non-renewable energy sources.These findings highlight the urgent need for policies and measures to promote renewable energy adoption and prioritize energy access to mitigate environmental degradation and achieve sustainable development goals.展开更多
文摘Economic growth and industrialization often default to a great dependency on fossil fuels (FF) to supply power needs. The carbon rich nature of FF combustion can impact global warming. Therefore, it is conducive to transition from FF to renewable energy (RE). The present study aimed to address if replacement of a single FF by RE can mitigate carbon emissions. We conduct the study in a country undergoing mass urbanization and challenging energy demands. <span>Data from energy resources in the Power & Energy Sector Master Plan (PSMP2016;Bangladesh) are analyzed over the 2017-2021 trajectory. Two scenarios for imports, oil and coal are assessed. Environmental input output (E</span><span><span>-</span></span><span><span style="font-family:;" "=""><span>IO) analysis and percentage equivalence analysis measured data variables. The data is then further disaggregated into an emission reduction (ER) model with sensitivity analysis</span><span> to measure carbon emission reduction when each FF source is substituted by RE. </span></span></span><span>Results show the percentage share of energy generation capacity by both coal and RE increase over time. Solar and wind power contribute to the increase in RE. When oil is imported a 1% increase in oil, coal, and gas-based energy generation capacity increases carbon emissions by 1.25%, 1.48% and 0.93%, respectively. 1% increase in RE produces negligible carbon emissions (0.0042%). There was little difference in the percentages of carbon emissions when coal is imported. Substituting any FF with RE of equal energy capacity does not, in the short term, reduce carbon emissions in either scenario. Therefore, we conclude that for long term clean energy prospects in Bangladesh, RE needs to be developed to operate at greater capacity in conjunction with other carbon management factors. The research findings herein offer insights for clean energy implementation in developing nations.</span>
文摘The energy access challenge remains a significant barrier to sustainable development,with millions of people still needing access to modern energy services.Fossil fuels have played a crucial role in meeting electricity demand,but they face challenges and drawbacks in terms of environmental sustainability,energy security,and climate change.This study examines how renewable and non-renewable energy generation capacity impacted the environment in 53 upper-middle-income countries from 1990 to 2020,using energy access and alternative energy sources as mediating variables.The findings of this study provide valuable insights into the complex relationship between renewable energy generation capacity,energy access,alternative energy sources,and environmental conditions in upper-middleincome countries.The positive relationship between renewable energy generation capacity and environmental conditions emphasizes the importance and potential of renewable energy sources in mitigating environmental degradation.Additionally,the findings indicate that energy access also plays a crucial role in shaping energy generation patterns,with higher levels of access being associated with increased renewable energy generation and decreased reliance on non-renewable energy sources.These findings highlight the urgent need for policies and measures to promote renewable energy adoption and prioritize energy access to mitigate environmental degradation and achieve sustainable development goals.
