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作 者:陈明谷 高晗博 田金平[1,2] 陈吕军 CHEN Ming-gu;GAO Han-bo;TIAN Jin-ping;CHEN Lü-jun(School of Environment,Tsinghua University,Beijing 100084,China;Center for Ecological Civilization,Tsinghua University,Beijing 100084,China)
机构地区:[1]清华大学环境学院,北京100084 [2]清华大学生态文明研究中心,北京100084
出 处:《环境科学》2024年第12期6828-6835,共8页Environmental Science
摘 要:《减污降碳协同增效实施方案》指出要探索不同类型城市减污降碳推进机制,加强减污降碳协同增效,加快实现城市绿色低碳发展.鉴于此,基于绿色全要素生产率建立了城市级产业结构多目标优化模型,并选取沿海新兴城市嘉兴市开展典型案例研究.结果表明“,十三五”期间(2016~2020年)嘉兴市各行业绿色全要素生产率整体上升8%,经济排名前3的化学产品,电力、热力的生产和供应以及通信设备,计算机和其他电子设备行业的绿色全要素生产率分列第12、15和5名,而绿色全要素生产率排名前3的其他制造产品、专用设备、食品和烟草行业的产值排名分别为19、12和14名.由于不同行业间经济产出与环境效益的错配,必须深化产业结构调整:化学产品业(占比下降约2%)和电力、热力的生产和供应业(下降约1%)亟待产业转型,可通过设定更高环境准入门槛、降低固定资产投资增速、抑制相应产业的最终消费等提升存量设施效率;服务业(上升约5%)应加速发展;其余行业可按惯性速度发展.研究建立的城市级产业结构优化模型,可以较好支撑未来不同城市碳污排放总量与强度双控决策,激发新质生产力,促进城市碳达峰与绿色低碳高质量发展.The“Implementation Plan for Reduction of Pollution and Carbon Emissions”emphasizes the need to explore mechanisms for pollution and carbon emission reductions,strengthen efforts for synergistic reduction,and accelerate the green and low-carbon development in different types of cities.Thus,this study established a multi-objective optimization model for the industrial structure of the city based on green total factor productivity(GTFP),which was applied to Jiaxing,an emerging coastal city.The results indicated an overall 8%increase in GTFP across various industries in Jiaxing from 2016 to 2019.The top three economic sectors-chemical products;electricity and thermal production and supply;and communication equipment,computers,and other electronic devices-ranked 12th,15th,and 5th in GTFP,respectively.Conversely,industries with the top three GTFP rankingsother manufacturing products,specialized equipment,food,and tobacco-ranked 19th,12th,and 14th in GDP,respectively.Given the mismatch between economic output and environmental benefits among different industries,deepening industrial structure adjustment and promoting synergistic pollution reduction and carbon reduction are imperative.The chemical industry(decreasing by 2%)and the electricity and thermal production and supply industry(decreasing by 1%)crucially need industrial transformation.This can be achieved by setting higher environmental thresholds,reducing the growth rate of fixed asset investment,and curbing the final consumption of these industries to enhance the efficiency of existing facilities.Meanwhile,the service industry(increasing by 5%)should be rapidly developed,while other industries can continue to grow at their current pace.The city-level industrial structure optimization model established in this study can effectively support future decision-making for the dual control of total carbon emissions and intensity,foster newquality productivity,and promote carbon peaking and green low-carbon high-quality development in different cities.
关 键 词:减污降碳 产业结构 绿色转型 全要素生产率 “双碳”目标
分 类 号:X24[环境科学与工程—环境科学]
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