Journal
JOURNAL OF CLEANER PRODUCTION
Volume 133, Issue -, Pages 136-144Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2016.04.093
Keywords
China; PM2.5; Emission drivers; Index decomposition analysis; Divisia index
Categories
Funding
- Natural Science Foundation of China [41328008, 41501605, 41541039, 41222036]
- China's National Basic Research Program [2014CB441301]
- UK Economic and Social Research Council [ES/L016028/1]
- Natural Environment Research Council [NE/N00714X/1]
- British Academy Grant [AF150310]
- Economic and Social Research Council [ES/L016028/1] Funding Source: researchfish
- Natural Environment Research Council [NE/N00714X/1] Funding Source: researchfish
- ESRC [ES/L016028/1] Funding Source: UKRI
- NERC [NE/N00714X/1] Funding Source: UKRI
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Emissions of the fine particulate matters (diameter of 2.5 mu m or less) caused by both the primary particle emissions and the precursor emission sources such as sulfur dioxide and nitrogen oxides, have contributed significantly to poor urban air quality in China, and have attracted tremendous public attention over the past few years. This study provides an interdisciplinary study to investigate the key contributors driving air pollution emissions changes in China from 1997 to 2012, by applying the Logarithmic Mean Divisia Index method. The decomposition results are presented in both multiplicative and additive approaches to show the relative and absolute contribution of each factor in affecting emission changes. Changes in total particulate matter emissions are attributed to variations in primary particle, sulfur dioxide and nitrogen oxides emissions. It is manifested that the economic growth effect and energy intensity effect have always been the two key drivers in affecting the changes in air pollutant emissions over the period. The effects of emission efficiency, production structure and population growth contribute less significantly to overall emission changes, and the impacts of different factors vary among different pollutants. Since current strategies and policies in combatting particulate matter emissions are inefficient, this paper provides a guideline for the Chinese Government to deal with the air pollution problem for sustainable development in China. (C) 2016 Elsevier Ltd. All rights reserved.
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