ORCID Profile
0000-0003-3487-0912
Current Organisations
Northeastern University
,
CSIRO Black Mountain Laboratories
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Publisher: Elsevier BV
Date: 12-2022
Publisher: American Chemical Society (ACS)
Date: 13-03-2019
Abstract: The rapid urbanization in China since the 1970s has led to an exponential growth of metal stocks (MS) in use in cities. A retrospect on the quantity, quality, and patterns of these MS is a prerequisite for projecting future metal demand, identifying urban mining potentials of metals, and informing sustainable urbanization strategies. Here, we deployed a bottom-up stock accounting method to estimate stocks of iron, copper, and aluminum embodied in 51 categories of products and infrastructure across 10 Chinese megacities from 1980 to 2016. We found that the MS in Chinese megacities had reached a level of 2.6-6.3 t/cap (on average 3.7 t/cap for iron, 58 kg/cap for copper, and 151 kg/cap for aluminum) in 2016, which still remained behind the level of western cities or potential saturation level on the country level (e.g., approximately 13 t/cap for iron). Economic development was identified as the most powerful driver for MS growth based on an IPAT decomposition analysis, indicating further increase in MS as China's urbanization and economic growth continues in the next decades. The latecomer cities should therefore explore a wide range of strategies, from urban planning to economy structure to regulations, for a transition toward more "metal-efficient" urbanization pathways.
Publisher: Elsevier BV
Date: 05-2020
Publisher: Elsevier BV
Date: 11-2021
Publisher: American Chemical Society (ACS)
Date: 22-04-2014
DOI: 10.1021/ES405812W
Abstract: China's rapidly growing economy is accelerating its materialization process and thereby creating serious environmental problems at both local and global levels. Understanding the key drivers behind China's mass consumption of raw materials is thus crucial for developing sustainable resource management and providing valuable insights into how other emerging economies may be aiming to accomplish a low resource-dependent future. Our results show that China's raw material consumption (RMC) rose dramatically from 11.9 billion tons in 1997 to 20.4 billion tons in 2007, at an average annual growth rate at 5.5%. In particular, nonferrous metal minerals and iron ores increased at the highest rate, while nonmetallic minerals showed the greatest proportion (over 60%). We find that China's accelerating materialization process is closely related to its levels of urbanization and industrialization, notably demand for raw materials in the construction, services, and heavy manufacturing sectors. The growing domestic final demand level is the strongest contributor of China's growth in RMC, whereas changes in final demand composition are the largest contributors to reducing it. However, the expected offsetting effect from changes in production pattern and production-related technology level, which should be the focus of future dematerialization in China, could not be found.
Publisher: Elsevier BV
Date: 02-2018
Publisher: Elsevier BV
Date: 07-2012
Publisher: Wiley
Date: 22-10-2018
DOI: 10.1111/JIEC.12819
Publisher: American Association for the Advancement of Science (AAAS)
Date: 02-01-2019
DOI: 10.1080/20964129.2019.1577703
Abstract: Introduction: The rapid development of economy has led to extensive raw material consumption and relevant environmental damage in China. To analyze environmental impacts and identify materials resulting in these environmental effects via raw material extraction, we combine economy-wide material flow accounting and life-cycle analysis methods to estimate environmental impacts of Chinese domestic extraction (DE) during the period of 1992–2015. The relationship between these increasing environmental impacts and Chinese GDP was also explored by decoupling analysis. Outcomes: Results show that Chinese DE increased by 372% during 1992–2015. The global warming potential, abiotic depletion potential, and respiratory inorganics of Chinese DE increased by 195%, 46%, and 408%, respectively. In terms of specific materials, extraction of iron ores, gravel and sand, and coal induced the most environmental impacts. The relationship between environmental impacts and Chinese GDP/DE was characterized by relative decoupling. Conclusion: To minimize the environmental impacts of extraction, we recommend that the Chinese government improve its extraction techniques and reduce excess demand for materials with large extraction such as iron ores, gravel and sand, and coal. We also recommend researching alternative materials for scarce resources like molybdenum, gold, and fluorite.
Publisher: Elsevier BV
Date: 2023
Publisher: Elsevier BV
Date: 11-2022
Publisher: Wiley
Date: 14-08-2019
DOI: 10.1111/JIEC.12933
Publisher: Hindawi Limited
Date: 07-10-2020
DOI: 10.1155/2020/4364912
Abstract: Over the past three decades, China has experienced rapid economic growth along with a rapid increase in urbanization and living standards, leading to a boom in infrastructure demand. A large part of China’s newly constructed infrastructure is through urban construction thus, cities have become a major source of material consumption and carbon emissions. Understanding the relationship between material consumption, carbon emissions, and the economic growth of cities is key to ensuring that the construction of infrastructure satisfies the needs for both economic development and dematerialization. In this study, we first accounted for material consumption and the carbon emissions of infrastructure construction of 34 cities in Northeast China and characterized spatial and temporal changes from 2010–2017. The material use and carbon emissions of infrastructure construction declined by 34.6% and 30.2% during this period. Specifically, material consumption decreased from 305.2 million tonnes to 199.6 million tonnes, and carbon emissions decreased from 77.7 million tonnes to 54.3 million tonnes. Furthermore, we used a decoupling indicator to evaluate the decoupling of material consumption or carbon emissions from GDP in these cities. We found that most cities have achieved the absolute decoupling of material consumption and carbon emissions from GDP over the study period. Finally, we proposed several policy recommendations for promoting the sustainable development of the infrastructure of cities. To ensure that cities realize low-carbon urbanization, policymakers need to promote modular buildings and low-emission construction materials. This paper also serves as a practical reference for the improvement of relevant materials and carbon emissions management strategies for other developing regions.
Publisher: Elsevier BV
Date: 09-2016
Publisher: Elsevier BV
Date: 11-2021
Publisher: Elsevier BV
Date: 2023
Publisher: Elsevier BV
Date: 05-2022
Publisher: Wiley
Date: 28-02-2013
DOI: 10.1111/JIEC.12005
Publisher: Elsevier BV
Date: 09-2020
Publisher: Trans Tech Publications, Ltd.
Date: 08-2011
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMM.84-85.765
Abstract: The decoupling conditions of GDP and Total Primary Energy Supply (TPES) for the BRICS in the period 1971-2008 were analyzed. It is concluded that in the studied period, the decoupling indicators of China and Russia are relatively higher than that of Brazil, South Africa and India. The BRICS’s decoupling distribution is similar to China, because China accounts for most part of TPES and GDP of the BRICS. To restrain the total resource or energy consumption from increasing too fast, it is suggested to match the indicators of GDP growth and the decreasing rate of resource consumption per unit of GDP appropriately.
Publisher: Elsevier BV
Date: 11-2015
Publisher: Institute of Electrical Engineers of Japan (IEE Japan)
Date: 08-2022
Publisher: Elsevier BV
Date: 07-2022
Publisher: Springer International Publishing
Date: 2019
Publisher: Wiley
Date: 26-07-2021
DOI: 10.1111/JIEC.13054
Publisher: MDPI AG
Date: 20-08-2013
Publisher: Elsevier BV
Date: 04-2014
Publisher: Elsevier BV
Date: 11-2020
Publisher: Wiley
Date: 15-07-2022
DOI: 10.1111/JIEC.13290
Abstract: China has been witnessing profound changes in the consumption behaviors of its population during the last several decades. To better gauge the current consumption structure of Chinese households and investigate the burden exerted by consumption on resources, we calculated the household material footprint (HMF) in China within the in idual consumption classification framework developed by the United Nations. HMF is the only life‐cycle‐based indicator adopted into the 2030 Agenda for Sustainable Development. Four types of raw materials and 15 representative consumption isions were analyzed in this research. The total HMF in China increased by 103% from 1992 to 2017, although the per capita HMF remains lower than the global average. The per capita HMF growth in rural and urban areas differs, with urban citizens consuming 2.8 more metric tons of resources than rural residents as of 2017. The HMF of all materials studied shows a rising trend, especially for metal ores, which underpins the real estate and auto industries. Food‐related consumption is the main contributor to the HMF in China, while consumption of housing and transportation has less proportion yet more growth potential compared with developed countries. This study adds to the literature of studies on the consumption behaviors and domestic demands of China and has further methodologically significant meaning for similar studies in other countries and practical value for policymakers. Overall, this study demonstrates that despite an upsurge in consumption behaviors and gratifying economic records, the incurred resource and environmental burden may fuel risks for sustainable development.
Publisher: Elsevier BV
Date: 02-2019
Publisher: Elsevier BV
Date: 03-2023
Publisher: Springer Science and Business Media LLC
Date: 08-03-2022
Publisher: Elsevier BV
Date: 10-2022
Publisher: De Gruyter
Date: 31-12-2006
Publisher: Elsevier BV
Date: 03-2020
Publisher: Elsevier BV
Date: 2023
Publisher: Springer Science and Business Media LLC
Date: 08-2014
Publisher: Elsevier BV
Date: 2019
Publisher: Springer Science and Business Media LLC
Date: 23-10-2021
Publisher: Elsevier BV
Date: 11-2022
DOI: 10.1016/J.SCITOTENV.2022.157465
Abstract: The throughput of materials fuels the economic process and underpins social well-being. These materials eventually return to the environment as waste or emissions. They can have significant environmental impacts throughout life cycle stages, such as bio ersity loss, adverse health effects, water stress, and climate change. China is the largest resource extractor globally, but the endpoint environmental impacts and the role of possible socioeconomic drivers associated with its resource extraction remain unclear. Here, we account for and analyze the two endpoint environmental impacts associated with China's resource extraction from 2000 to 2017 and quantify the relative contributions of various socioeconomic factors using structural decomposition analysis. The results show that the environmental impacts of China's resource extraction peaked in 2010. There was a significant decline from 2010 to 2017, in which human health damage decreased by 32.8 % and ecosystem quality damage decreased by 55.8 %. On the consumer side, the advancement in China's urbanization process led to an increase in the environmental impacts of urban residents' consumption, and the effect of investment on the environmental impacts decreased significantly after 2010. Decreases in the intensity of the environmental impacts in most sectors and improvements in production structure could reduce the impacts of resource extraction on human health and ecosystems.
Publisher: Springer Science and Business Media LLC
Date: 17-08-2022
DOI: 10.1038/S41597-022-01611-Z
Abstract: Material utilisation has been playing a fundamental role in economic development, but meanwhile, it may have environmental and social consequences. Given China’s rapid economic growth, understanding China’s material utilisation patterns would inform decisions for researchers and policymakers. However, fragmented data from multiple statistical sources hinder us from comprehensively portraying China’s material utilisation dynamics. This study harmonised China-specific official statistics and constructed a China economy-wide material flow accounts database. This database covers hundreds of materials and more than 30 years (1990–2020) from thousands of data sources, which is comprehensive, long-term, up-to-date, and publicly accessed. This database would provide insights into the historical metabolic dynamics of China’s economy with elaboration on the production, consumption, and end-of-life disposal of materials. This database also allows for international analyses since it is developed based on an internationally standardised analytical framework. Furthermore, this study would benefit studies on policy impact evaluation, environmental pressure assessment, and sustainable development strategies.
Publisher: Elsevier BV
Date: 09-2018
Publisher: Wiley
Date: 11-08-2022
DOI: 10.1111/JIEC.13320
Abstract: Accelerating the construction of ecological civilization in the industrial field and guiding the transformation of industry toward a green direction have become a national development strategy. Promoting the coordinated development of energy‐intensive industries such as steel, cement, and power is a key breakthrough in achieving the green transformation of various industries. This study has designed a steel–cement–power polygeneration system with the collaborative utilization of solid waste resources as the ecological link point. Four scenarios, including business‐as‐usual, optimization of product structure, low‐carbon technology application, and policy advancement (PAD), were established to assess the overall energy‐saving and emissions reduction potential of the steel–cement–power polygeneration system from 2015 to 2050. The results show that product structure adjustment and industrial symbiosis have a significant impact on energy saving and emission reduction of key industries. In 2050, the total energy consumption and carbon emissions of the polygeneration system could reach 38,697.64 PJ and 3766.73 Mt CO 2 . Based on the scenario analysis, the production and use of solid waste in the polygeneration system and the economic benefits are also discussed. Under the PAD scenario, by 2050, the proportion of fly ash as cement raw material will increase to 41%, while the supply of blast furnace slag may be insufficient, and the comprehensive utilization of solid waste can bring economic benefits of 238.32 billion Yuan to the system.
Publisher: American Association for the Advancement of Science (AAAS)
Date: 16-12-2020
DOI: 10.1080/20964129.2020.1812434
Abstract: Introduction: Over the past two decades, China has experienced rapid economic development, which has not only led to a rapid increase in the use of raw materials but has also created environmental problems. This research analyzes the environmental impacts of resource extraction in China at the provincial level, and fully considers the environmental impact of various resources extraction. In addition, it is the first time to quantitatively study the spatial pattern and evolution characteristics of the environmental impacts of China’s resource extraction from multiple perspectives by means of spatial visualization. Outcomes: The results showed that the center of gravity of abiotic depletion potential (ADP) moved northwest, respiratory inorganics (RI) moved southwest and global warming potential (GWP) moved west. The results of the standard deviation ellipse showed that RI and GWP varied over time and space, while ADP showed a discrete trend. In addition, the distribution of the four in the northeast-southwest direction became more prominent. Conclusion: To mitigate the environmental impacts of resource extraction, we recommend that regional governments implement measures to control environmental impacts in the provinces within the distributed ellipse and design targeted policies based on actual conditions.
Publisher: Elsevier BV
Date: 03-2022
Publisher: Elsevier BV
Date: 11-2022
Publisher: Elsevier BV
Date: 11-2022
Publisher: Unpublished
Date: 2016
Publisher: Elsevier BV
Date: 11-2022
Publisher: Elsevier BV
Date: 05-2022
Publisher: Elsevier BV
Date: 03-2023
Publisher: Elsevier BV
Date: 11-2022
Publisher: Wiley
Date: 31-05-2012
Publisher: Elsevier BV
Date: 2020
Publisher: Wiley
Date: 14-05-2019
Publisher: Elsevier BV
Date: 12-2020
Publisher: Wiley
Date: 17-12-2014
DOI: 10.1111/JIEC.12226
Publisher: Wiley
Date: 11-02-2020
DOI: 10.1111/JIEC.12986
Abstract: China is the largest producer and consumer of cement worldwide, and cement production entails the release of substantial carbon dioxide (CO 2 ) emissions. As the cement sector is a crucial sector of the Chinese economy, understanding the role of supply‐ and demand‐side factors may help accelerate efforts to mitigate CO 2 emissions. However, few studies have analyzed the critical factors affecting CO 2 emissions in the sector based on a combined supply‐ and demand‐side perspective. In this study, we developed an integrated framework that included eleven indicators covering both the supply and demand sides. Results revealed that improving cement production technology cannot offset CO 2 emissions from the growth in demand for cement. Improving technology on the supply side would considerably reduce CO 2 emissions from Chinese cement production nevertheless, the combination of rapid urbanization, GDP growth, and an ultra‐high fixed capital formation ratio on the demand side increased CO 2 emissions nearly 25‐fold from 1990 to 2015. Notably, some demand‐side factors also had an effect that reduced CO 2 emissions. The in‐use stock per unit of fixed capital formation and output per in‐use stock reduced CO 2 emissions by 332 million metric tons, which is comparable to the contribution of technological progress. Based on these results, we examine why these demand‐side factors substantially influence CO 2 emissions in the Chinese cement sector, and we provide recommendations for policy‐makers on carbon‐reduction measures in this CO 2 ‐intensive sector.
No related grants have been discovered for Heming Wang.