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Impacts of inter-sectoral trade on carbon emissions—a case of China in 2007

Xiuqi FANG, Benyong WEI, Yuan WANG

《环境科学与工程前沿（英文）》 2012年第6卷第3期页码 387-402 doi: 10.1007/s11783-012-0396-9

摘要： With the increase in international trade, more attention has been given to quantifying the impacts of international trade on energy use and carbon emissions. Input-output analysis is a suitable tool for assessing resources or pollutants embodied in trade and it has become a critical tool for performing such analysis. This study estimated the national and sectoral carbon emissions embodied in Chinese international trade using the latest available China input-output table of 2007. The results showed that a significant exporting behavior of embodied carbon emissions existed in China’s trade. Over 1/3 of the emissions in Chinese domestic production processes were generated for exports in 2007. The net balance of emissions embodied in exports and imports accounted for nearly 30% of China’s domestic emissions, which means that any policy made to increase the exports would result in a significant growth of China’s domestic emissions. Since over half of China’s export trade is processing trade, the re-exported emissions could not be overlooked; otherwise, it would hard to capture the actual emissions generated abroad to obtain China’s domestic consumption. The enlargement of export scale is a primary driven factor to the rapid growth of China’s exported emissions. It is necessary for China to adjust its economic and industrial structure to reduce the dependence of economic growth on the export trade. However, when adjusting industry structures or making policies on carbon emission reduction, it will be more reasonable to consider the relationship between production and consumption, rather than just focus on the emission values of sectors’ direct production, as a large part of carbon emissions emitted by the principal direct polluters were generated to obtain the products which were required by other sectors.

关键词： international trade carbon emissions input-output analysis China

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China’s policy framework for carbon capture, utilization and storage: Review, analysis, and outlook

《能源前沿（英文）》 2023年第17卷第3期页码 400-411 doi: 10.1007/s11708-023-0862-z

摘要： Carbon capture, utilization, and storage (CCUS) is estimated to contribute substantial CO₂ emission reduction to carbon neutrality in China. There is yet a large gap between such enormous demand and the current capacity, and thus a sound enabling environment with sufficient policy support is imperative for CCUS development. This study reviewed 59 CCUS-related policy documents issued by the Chinese government as of July 2022, and found that a supporting policy framework for CCUS is taking embryonic form in China. More than ten departments of the central government have involved CCUS in their policies, of which the State Council, the National Development and Reform Commission (NDRC), the Ministry of Science and Technology (MOST), and the Ministry of Ecological Environment (MEE) have given the greatest attention with different focuses. Specific policy terms are further analyzed following the method of content analysis and categorized into supply-, environment- and demand-type policies. The results indicate that supply-type policies are unbalanced in policy objectives, as policy terms on technology research and demonstration greatly outnumber those on other objectives, and the attention to weak links and industrial sectors is far from sufficient. Environment-type policies, especially legislations, standards, and incentives, are inadequate in pertinence and operability. Demand-type policies are absent in the current policy system but is essential to drive the demand for the CCUS technology in domestic and foreign markets. To meet the reduction demand of China’s carbon neutral goal, policies need to be tailored according to needs of each specific technology and implemented in an orderly manner with well-balanced use on multiple objectives.

关键词： carbon capture utilization and storage (CCUS) policy content analysis China

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The Supply Chain Contract Design under Cap-and-Trade Mechanism with Free Riding

Fu-qiang Wang,Jun Liu

《工程管理前沿（英文）》 2015年第2卷第3期页码 277-286 doi: 10.15302/J-FEM-2015049

摘要： This paper studies the influence of free riding on enterprise product pricing and carbon emissions reduction investment, as well as the contract design to achieve supply chain coordination under the carbon trading mechanism. First, we discuss the situation where carbon emissions reduction investment affects the product price and income. It demonstrates that the optimal investment of the upstream manufacturer increases with the degree of the free riding of the downstream manufacturer. The upstream manufacturer can improve their carbon reduction investment and the whole supply chain achieves Pareto improvement when the investment cost sharing contract is introduced. Nevertheless, under the cost-sharing contract the optimal investment of the decentralized supply chain is still lower than that of the centralized supply chain, and only in some particular cases can the two types of supply chain achieve equal total profits. Then, we preliminarily explore the situation where the product price and income is influenced by carbon emissions reduction investment. The consequences indicate that the optimal investment of the upstream manufacturers in this situation is less than the former one’s, and the transfer payment mechanism is able to improve the level of the supply chain overall carbon emissions-reduction. Moreover, compared to the former situation, the effects of free riding of the downstream manufacturer are even more serious. The conclusions can provide some intellectual support for manufacturing enterprises to make reasonable emissions reduction strategies and coordinate the supply chain existing in free riding.

关键词： carbon emissions reduction free riding supply chain contract design cap-and-trade

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Policy entry points for facilitating a transition towards a low-carbon electricity future

《工程管理前沿（英文）》页码 462-472 doi: 10.1007/s42524-022-0214-4

摘要： This study extends the ambit of the debate on electricity transition by specifically identifying possible policy entry points through which transformative and enduring changes can be made in the electricity and socio–economic systems to facilitate the transition process. Guided by the “essence” of the multi-level perspective — a prominent framework for the study of energy transition, four such entry points have been identified: 1) destabilising the dominant, fossil fuel-based electricity regime to create room for renewable technologies to break through; 2) reconfiguring the electricity regime, which encompasses technology, short-term operational practices and long-term planning processes, to improve flexibility for accommodating large outputs from variable renewable sources whilst maintaining supply security; 3) addressing the impact of coal power phase-out on coal mining regions in terms of economic development and jobs; and 4) facilitating a shift in transition governance towards a learning-based, reflexive process. Specific areas for policy interventions within each of these entry points have also been discussed in the paper.

关键词： electricity transition multi-level perspective policy entry points

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An adaptive policy-based framework for China’s Carbon Capture and Storage development

Xiaoliang YANG, Wolfgang HEIDUG, Douglas COOKE

《工程管理前沿（英文）》 2019年第6卷第1期页码 78-86 doi: 10.1007/s42524-019-0003-x

摘要：

China’s political leadership has taken an increasingly public and proactive stance on climate change since 2014. This stance includes making a commitment that Chinese carbon dioxide (CO₂) emissions will peak around 2030 and enacting measures through the 13th Five-Year Plan to support energy efficiency, clean energy technology, and carbon management. Chinese policymakers consider carbon capture and storage (CCS) a critical bridging technology to help accelerate the decarbonization of its economy. This paper reviews and analyzes Chinese CCS support policies from the perspective of an adaptive policymaking framework, recognizing uncertainty as an inherent element of the policymaking process and drawing general lessons for responding to changing circumstances. Notably, the political support for CCS in China remains fragmented with uncoordinated government leadership, undecided industry players, and even with opposing voices from some leading scientists. There is scope for expanding the framework to provide more granularity, in particular relating to the development of a CCS infrastructure and the development of storage-focused CO2-EOR. Overall, given the role CCS can play to decarbonize China’s power and other industrial sectors, a commitment to CCS from top policymakers and major stakeholders is needed.

关键词： CCS policy climate change China

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An assessment of China-Japan-Korea Free Trade Agreement’s economic and environmental impacts on China

Zhaoyang LIU, Xianqiang MAO, Wei TANG, Tao HU, Peng SONG

《环境科学与工程前沿（英文）》 2012年第6卷第6期页码 849-859 doi: 10.1007/s11783-012-0432-9

摘要： Recently, China, Japan, and the Republic of Korea (Korea) are conducting a government-commissioned feasibility study on the Free Trade Agreement among the three countries (CJKFTA) to form a regional free trade zone in East Asia. Considering that freer trade can cause unexpected impact on domestic environment, there is a need to evaluate the environmental impact of such a trade policy. This move should be made to help negotiators understand and pay more attention to environmental issues during CJKFTA negotiations, and to help lobby with the government to carry out appropriate policy instruments for adaptation or mitigation. Following the Chain Reaction Assessment Method that integrates and links the elements of trade, production, and environment, the present research aims to quantitatively assess CJKFTA’s possible impact on China’s environment. This is done by estimating the variations of China’s major conventional pollutants and greenhouse gases (GHGs) emission in two policy scenarios to represent CJKFTA’s scale and composition effects on China’s environment. Estimating the variations is based on a static Computable General Equilibrium model, working with Global Trade Analysis Project (GTAP) 7 database and China’s energy-environment statistics. Based on these assessments, CJKFTA is predicted to lead to notable environmental impact, including increased emissions of agricultural total nitrogen, agricultural total phosphorus, chemical oxygen demand, and GHGs. On the other hand, decreased emissions of industrial SO and dust are also expected to happen. Suitable policies need to be made to combat negative effects and amplify positive ones, while aiming at a more sustainable regional freer trade system.

关键词： Free Trade Agreement Strategic Environmental Assessment Chain Reaction Assessment Method Computable General Equilibrium model Global Trade Analysis Project

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Quantifying and mapping spatial variability of Shanghai household carbon footprints

Shangguang YANG,Chunlan WANG,Kevin LO,Mark WANG,Lin LIU

《能源前沿（英文）》 2015年第9卷第1期页码 115-124 doi: 10.1007/s11708-015-0348-8

摘要： Understanding the spatial variability of household carbon emissions is necessary for formulating sustainable and low-carbon energy policy. However, data on household carbon emissions is limited in China, the world’s largest greenhouse gases emitter. This study quantifies and maps household carbon emissions in Shanghai using a city-wide household survey. The findings reveal substantial spatial variability in household carbon emissions, especially in transport-related emissions. Low emission clusters are founded in Hongkou, Xuhui, Luwan, Jinshan, and Fengxian. High emission clusters are located in Jiading and Pudong. Overall, the spatial pattern of household carbon emissions in Shanghai is donut-shaped: lowest in the urban core, increasing in the surrounding suburban areas, and declining again in the urban fringe and rural regions. The household emissions are correlated with a number of housing and socioeconomic factors, including car ownership, type of dwelling, size of dwelling, age of dwelling, and income. The findings underscore the importance of a localized approach to low-carbon policy-making and implementation.

关键词： household carbon emissions spatial variability energy policy Shanghai China

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Internal incentives and operations strategies for the water-saving supply chain with cap-and-trade regulation

Zhisong CHEN, Li FANG, Huimin WANG

《工程管理前沿（英文）》 2019年第6卷第1期页码 87-101 doi: 10.1007/s42524-019-0006-7

摘要：

Faced with the rapid development of modern industries of agriculture, manufacturing, and services, water resources are becoming increasingly scarce. Industries with high water consumption are generally regulated by the government’s water cap-and-trade (CAT) regulation to solve the contradiction between the limited water supply and the rapid growing water demand. Supply chain equilibrium and coordination models under the benchmark scenario without water saving and CAT regulation, water-saving supply chain equilibrium and coordination models under the scenario without/with CAT regulation are developed, analyzed and compared. The corresponding numerical and sensitivity analyses for all models are conducted and compared, and the managerial insights and policy recommendations are summarized in this article. The results indicate that (1) Conducting water saving could improve effectively the operational performance of the water-saving supply chain under the scenario without/with CAT regulation. (2) The coordination strategy based on the revenue sharing contract could efficiently coordinate the water-saving supply chain, enhance water consumption reduction rate, and improve the operational performance of the water-saving supply chain. (3) The implementation of CAT regulation enhances effectively water-consumption-reduction in the water-saving supply chain and improves the operational performance of water-saving supply chain. (4) Simultaneous implementation of CAT regulation by the government and adopting coordination strategy by the water-saving supply chain would be superior to any other scenarios/strategies. (5) A suitable water cap based on the industrial average water consumption and historical water consumption data are beneficial for constructing reasonable and effective incentive mechanism. (6) A higher marginal trade price could induce more reduction in water consumption and create better operational performance for the manufacturer and water-saving supply chain, both under the equilibrium and coordination strategies.

关键词： water-saving supply chain equilibrium coordination internal incentive cap and trade regulation

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碳达峰、碳中和研究进展与综述 Review

魏一鸣, 陈楷元, 康佳宁, 陈炜明, 王翔宇, 张小曳

《工程（英文）》 2022年第14卷第7期页码 52-63 doi: 10.1016/j.eng.2021.12.018

摘要：

碳达峰与碳中和目标（简称双碳目标）的提出为我国经济社会高质量发展指明了方向。实现碳达峰、碳中和，是一项长期而复杂的系统工程，离不开相关科学研究的支撑与指导。现有研究虽从多方面对如何实现碳达峰、碳中和这一依赖于社会经济系统化发展的命题进行了分析与讨论，但研究庞杂而分散。因此，有必要从历史文献中对这个重要命题进行系统回顾、梳理和总结，厘清相关研究发展脉络，深入挖掘其中热点和难点，凝练基础科学问题，为后续研究明晰方向，为实现碳达峰、碳中和提供支撑。基于此，本研究构建了一套知识集成分析框架，通过对国内外1105篇碳达峰、碳中和相关文献进行汇总梳理，从时空维度追踪领域内国际趋势与发展规律，从技术维度剖析研究热点及主题变迁，从行业维度挖掘支持双碳目标的关键发力点。在此基础上，凝练并提出碳达峰、碳中和研究的关键科学问题，并对我国实现双碳目标的行动方案、优先任务和政策措施提出对策建议。

关键词：碳达峰碳中和系统综述碳减排管理

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Analysis of the current situation of environmental policy of China and establishment of distributed environmentalpolicy framework

Chaoyang FU,Wangfeng LI

《环境科学与工程前沿（英文）》 2015年第9卷第2期页码 310-316 doi: 10.1007/s11783-014-0658-9

摘要： In this study, China’s current macro-environmental policies as well as their implementation and management tools are analyzed. By using the basic economic methodology, detailed studies are conducted focusing on the implementation effect of contemporary China’s typical environmental policy of the total pollutant discharge quantity control type, and also the two types of environmental management tools are compared from the perspective of implementation costs and policy uncertainty. By introduction of distributed management tools into the implementation of environmental policies, market-oriented means and the methods of economic analysis are introduced into environmental policy decision-making mechanisms, which could afford a new method for changing the current relatively low efficiency of environmental policy, solving the problem of “government failure” in environmental policy implementation, and providing a new way to make environmental policy system more flexible and more efficient. It is of great practical significance to solve China's current structural, complex and accumulative environmental problems.

关键词： environmental policy distributed environment policy distributed parameter model lumped parameter model

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trade-off"效应"> 口袋改造策略克服ω-氨基转移酶AtATA对1-乙酰基萘活性和稳定性之间的"trade-off"效应 Article

曹佳仁, 樊芳芳, 吕常江, 胡升, 赵伟睿, 梅家祺, 邱帅, 梅乐和, 黄俊

《工程（英文）》 2023年第30卷第11期页码 203-214 doi: 10.1016/j.eng.2023.04.009

摘要：然而，活性和稳定性之间的“trade-off”效应限制了其在工业生产中的应用。因此，开发克服这种相互抵消的“trade-off”效应的普适方法以及获得高效催化的氨基转移酶具有重要意义。

关键词： “trade-off”效应共进化氨基转移酶口袋改造

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Quantitative analysis of CO

Xianbing LIU, Can WANG

《环境科学与工程前沿（英文）》 2009年第3卷第1期页码 12-19 doi: 10.1007/s11783-009-0011-x

摘要： The increasing volume of CO embodiment in international trade adds a layer of complexity to environmental policies and has raised arguments on the traditional production based responsibility for CO emissions. In order to help understand the quantity of CO embodiment in trade and its policy implications, this paper gives observations to recently emerging literatures that quantitatively discuss CO embodiment in trade. The analytical approaches share the principle of using input and output modeling but vary dramatically in study boundary and estimation accuracy. The calculations can be roughly categorized into three types: direct quantification of CO embodiments in multiregional trade, direct quantification of CO embodiment in bilateral trade, and indirect analysis by comparing the scenarios with or without trade. The practical estimations strongly rely on trade partner selection and data availability. An obvious imbalance of net CO embodiment in the commodity trade between major developed countries and developing economies as a whole was confirmed by these literatures. Carbon taxes and other possible limitations on CO emissions have been addressed. The consistency across the calculations could be enhanced by systematic analyses in more detail to convince the international community to take binding commitments for the reduction of global CO emissions.

关键词： CO₂ embodiment international trade quantitative estimation analytical approach

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PROPOSED INNOVATION REFORM MODEL FOR THE MINERAL NITROGEN FERTILIZER INDUSTRY IN CHINA TO REDUCE GREENHOUSE GAS EMISSIONS

《农业科学与工程前沿（英文）》 2023年第10卷第2期页码 234-247 doi: 10.15302/J-FASE-2022468

摘要：

● The carbon footprint of the nitrogen fertilizer chain has decreased significantly over the last decade.

关键词： carbon accounting life cycle assessment policy product structure

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银行国际贸易结算系统构件化设计与实现

余金山,陈志强

《中国工程科学》 2004年第6卷第9期页码 81-87

摘要：

国际贸易结算是银行业中一种必不可少的业务，占据着重要的地位，而且随着电子商务的发展，其重要性也越来越突出。但是，这一业务的计算机化相当困难。主要原因是：操作流程复杂；组合变化太多，对灵活性有很高要求；涉及面相当广，几乎涉及银行的每一个业务品种，是一个压缩版的银行系统。因此，开发这样的系统必须采用先进的而且较为合适的方法和技术。文章提出了以构建半成品构件系统为总体思想的开发方法；在设计和实现上，提出了以数据总线为统一接口，以菜单/功能图标为总控主体框架，以基本业务操作为基本组件，并能把基本组件包装裁剪成可在主体框架控制下运行的功能构件，这样构建的系统可按实际需要进行组装、剪裁、参数设定、重新包装或经少量改写而形成一个实际可运行的系统。并提供了与银行总系统集成的灵活接口，具备了向网上银行和分布系统发展的良好基础。

关键词：银行国际贸易结算系统构件半成品系统

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碳中和政策机制及社会共识的国际经验与启示

杨雷,毕云青,郑平,金之钧

《中国工程科学》 2021年第23卷第6期页码 101-107 doi: 10.15302/J-SSCAE-2021.06.011

摘要：

现阶段，大部分发达国家碳排放已达峰且进入排放快速下降时期，纷纷出台更加积极有效的措施，力争在实现碳中和的同时占据新兴产业发展的优势地位。本文旨在梳理发达国家实现碳达峰、推进碳中和过程中的政策机制及促进社会共识方面的相关措施，为我国提供发展借鉴。梳理不同发达国家的经验并比较分析了其可取之处，总结了发达国家碳中和政策机制方面给我们带来的启发，据此形成我国碳中和路径的发展建议。国际经验表明，碳中和是一项系统工程，需要多措并举、有序推进，在减少转型成本的同时加快培育新兴产业；碳中和愿景的实现需要完善的市场化机制并加快能源市场化改革；碳中和不仅是能源和经济的转型，也将对个人的生活方式带来改变，因而普遍的社会共识是成功实现碳中和的重要保障。研究建议，做好顶层设计和分阶段的碳减排行动计划，加快和深化能源市场化改革，加强社会动员以凝聚公众的全面共识，不断深化国际合作。

关键词：碳中和国际经验系统工程能效市场化改革社会共识