Journal
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 30, Issue 6, Pages 16178-16194Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-022-23201-7
Keywords
Spatial spillover; ICT; CO2 emissions; Dynamic spatial Durbin model; Urban panel
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Information and communication technology (ICT) has a significant impact on socio-economic development, but it also has potential influence on climate change. This study analyzes the data from 285 prefecture-level cities in China to explore the effects and mechanisms of ICT on CO2 emissions, identifying spatial spillover effects and the intermediary effect of energy consumption. Additionally, the impact of ICT on CO2 emissions varies across different cities due to their geographical position, population size, and urban agglomeration.
Information and communication technology (ICT) has exerted a great impact on the socio-economic development; however, this development has come with some potential influence on climate change. The academics are divided over this issue; some argue that ICT has contributed to carbon reduction, while others consider that ICT has increased carbon dioxide (CO2) emissions. Undoubtedly, the existing literature abounds in the relationship between ICT and CO2 emissions, but little attention has been paid to the spillover effect of ICT and CO2 emissions, especially in developing countries. Hence, with the panel data of 285 China's prefecture-level cities from 2004 to 2018, this study innovatively discusses the spatial and mechanism effects of ICT on CO2 emissions, further exploring the heterogeneous impact of ICT on CO2 emissions from multiple perspectives. The empirical results confirm the positive relationship between ICT and CO2 emissions and identify the spatial spillover effect in the relationship. Furthermore, notably, the intermediary effect of energy consumption on the impact of ICT on CO2 emissions is identified. Finally, due to the differences in the geographical position, population size, and urban agglomeration of prefecture-level cities in China, the impact of ICT on CO2 emissions varies in different cities. The findings not only contribute to advancing the existing literature but also have a significant and targeted policy guiding significance for the cities to maximize the favorable influences of ICT and promote the low-carbon transformation of the whole society.
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