Journal
JOURNAL OF CLEANER PRODUCTION
Volume 88, Issue -, Pages 289-296Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2014.04.075
Keywords
Embodied carbon flows; Index decomposition analysis; Regional differences; Trade balance; Energy intensity; Efficiency loss
Categories
Funding
- National Natural Science Foundation of China [71273153]
- Tsinghua-Rio Tinto Joint Research Center for Resource Energy and Sustainable Development project entitled 'Potentials and Policies of Water and Energy Comprehensive Utilization in China's Industrial Sector'
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Being the largest emitter of carbon dioxide in the world, China also possesses enormous regional disparities in terms of carbon dioxide emissions. Significant carbon emission flows from developed regions to undeveloped regions through inter-regional trade have been observed in China. In order to examine the determining factors of such virtual carbon flows, an index decomposition analysis was conducted to investigate emissions embodied in trades among eight regions, which were grouped with recourse to the latest available provincial I/O tables in China. This paper finds that trade balance and energy intensity are two most salient factors with regard to interregional carbon flows. In the largest outsourcing region, the northwest region of China, the two factors account for 35.6-59.1% of the total carbon surplus, respectively. Thus, China is experiencing more 'efficiency losses' than 'efficiency gains' resulting from carbon transfers. In order to switch to a future efficiency gain situation, policies and supports for technology innovation in and transfer to inland regions, as well as enhanced technology standards for expanded carbon intensive productions in less developed regions are suggested to complement the current policy of carbon intensity target. (C) 2014 Elsevier Ltd. All rights reserved.
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