Journal of the Japan Society of Material Cycles and Waste Management
Online ISSN : 1883-5899
Print ISSN : 1883-5856
ISSN-L : 1883-5856
Paper
Evaluating the Effects of Alternative Product Consumption Patterns on Material Flow and CO2 Emissions in China
Naoki WadaYugo YamamotoOsamu SaitoTohru MoriokaAkihiro Tokai
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2011 Volume 22 Issue 1 Pages 19-29

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Abstract
In this paper, we evaluate the effects that consumption patterns have on CO2 emissions and waste generated from electrical and electronic equipment in China. We focus on consumer decisions regarding product selection, usage and disposal assuming that these behaviors significantly influence energy efficiency and the flow of discarded products. Four distinguishing consumption patterns were revealed as a result of a questionnaire and from research literature : “Business as Usual”, “Frequent Replace”, “Chain of Uses” and “Quality and Wisdom.” We also evaluate differences in product flow and environmental impacts from 2006 to 2030. Results show that “Quality and Wisdom” is the best style of consumption with regard to both CO2 emissions and reduction of waste generation. When the effects on living standards are taken into consideration, however, a combination of “Quality and Wisdom” and “Chain of Users” seems to best contribute to an optimization of trade-offs between multiple targets of resource consumption, the release of hazardous materials and economic disparities.
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© 2011 Japan Society of Material Cycles and Waste Management
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