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The socioeconomic drivers of China's primary PM_2.5 emissions

Guan, D; Su, X; Zhang, Q; Peters, Glen Philip; Liu, Z; Lei, Y; He, K
Peer reviewed, Journal article
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URI
http://hdl.handle.net/11250/2465273
Date
2014
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  • Journal articles [557]
Original version
10.1088/1748-9326/9/2/024010
Abstract
Primary PM2.5 emissions contributed significantly to poor air quality in China. We present an interdisciplinary study to measure the magnitudes of socioeconomic factors in driving primary PM2.5 emission changes in China between 1997–2010, by using a regional emission inventory as input into an environmentally extended input–output framework and applying structural decomposition analysis. Our results show that China's significant efficiency gains fully offset emissions growth triggered by economic growth and other drivers. Capital formation is the largest final demand category in contributing annual PM2.5 emissions, but the associated emission level is steadily declining. Exports is the only final demand category that drives emission growth between 1997–2010. The production of exports led to emissions of 638 thousand tonnes of PM2.5, half of the EU27 annual total, and six times that of Germany. Embodied emissions in Chinese exports are largely driven by consumption in OECD countries.
Journal
Environmental Research Letters

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