评估中国实现可持续发展目标 7 的能源相关效率及影响因素

IF 11.3 1区 化学 Q1 CHEMISTRY, PHYSICAL
ACS Catalysis Pub Date : 2024-05-13 DOI:10.1002/sd.3034
Lina Zhang, Sai Liu, Y. Chiu, Q. Pang, Qiyong Chen, Changfeng Shi
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引用次数: 0

摘要

随着学者们对能源可持续发展的日益关注,将能源可持续利用纳入能源相关评估框架对实现可持续发展目标 7 尤为有益。本研究利用动态两阶段数据包络分析模型,实证评估了中国由能源利用阶段和能源可持续阶段组成的能源相关效率(EE),并利用固定效应模型评估了包括数字经济在内的影响因素。研究结果表明,从 2011 年到 2020 年,能源效率呈小幅下降趋势,这主要是由于能源利用阶段的表现不佳。次区域分析表明,增加清洁能源使用(CEU)比减少碳排放(CER)更有利于提高能源效率。达古姆基尼系数表明,地区之间的差距越来越大。此外,数字经济与能源效率之间呈 "U "型关系,但中国三分之二的省份尚未超过转折点。此外,CEU 和 CER 的不同程度也会影响数字经济对环境的影响。环境法规和绿色技术创新在 "U "型关系中起到了积极的调节作用。本研究建议通过更多采用清洁能源和减少碳排放来刺激能源的可持续利用,并突出数字经济的绿色价值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assessing China's energy‐related efficiency towards SDG7 and influencing factors
With scholars paying increasing attention to energy sustainability, integrating energy sustainable utilization into the energy‐related assessment framework is particularly useful for achieving SDG7. This study empirically assesses the energy‐related efficiency (EE) comprised of the energy utilize stage and energy sustainable stage in China using a dynamic two‐stage data envelopment analysis model, and its influencing factors including digital economy with fixed‐effect models. The findings reveal a slight downward trend of EE from 2011 to 2020, primarily due to the poor performance of energy utilize stage. The subregional analysis illustrates that increasing clean energy use (CEU) is more beneficial to energy efficiency than reducing carbon emissions (CER). Dagum Gini coefficients indicate a growing disparity between regions. Additionally, a “U‐shaped” relationship between digital economy and EE is found, but two‐thirds provinces of China have not yet surpassed the turning point. Moreover, different degrees of CEU and CER will influence the impact of digital economy on EE. Environmental regulations and green technology innovation play positive moderating roles in the “U‐shaped” relationship. This study recommends to stimulate the energy sustainable use through higher adoption of clean energy sources and carbon emissions reduction, as well as highlight the green value of the digital economy.
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来源期刊
ACS Catalysis
ACS Catalysis CHEMISTRY, PHYSICAL-
CiteScore
20.80
自引率
6.20%
发文量
1253
审稿时长
1.5 months
期刊介绍: ACS Catalysis is an esteemed journal that publishes original research in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. It offers broad coverage across diverse areas such as life sciences, organometallics and synthesis, photochemistry and electrochemistry, drug discovery and synthesis, materials science, environmental protection, polymer discovery and synthesis, and energy and fuels. The scope of the journal is to showcase innovative work in various aspects of catalysis. This includes new reactions and novel synthetic approaches utilizing known catalysts, the discovery or modification of new catalysts, elucidation of catalytic mechanisms through cutting-edge investigations, practical enhancements of existing processes, as well as conceptual advances in the field. Contributions to ACS Catalysis can encompass both experimental and theoretical research focused on catalytic molecules, macromolecules, and materials that exhibit catalytic turnover.
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