| Project/Area Number |
26820220
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Civil and environmental engineering
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| Research Institution | The University of Tokyo |
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Principal Investigator |
Nakatani Jun 東京大学, 工学(系)研究科(研究院), 助教 (40436522)
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| Research Collaborator |
NISHIJIMA Asako
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| Project Period (FY) |
2014-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | リサイクル / ライフサイクル評価 / インベントリ分析 / 機能代替 / レジ袋 / 再使用 / オンライン調査 / 東京都 / LCA / 環境産業連関分析 / ハイブリッド分析 / 分別行動 / 食品廃棄物 / 容器包装廃棄物 |
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| Outline of Final Research Achievements |
An online questionnaire survey on the use and disposal of plastic shopping bags was conducted for consumers living in Tokyo, and 3,015 valid responses were collected. I asked the respondents to record the number of plastic shopping bags used and disposed of in seven days at home and analyzed how their disposal behaviors were affected by waste management policies of respective cities where they live. In addition, I developed a methodology for LCA considering society-wide indirect effects as consequences of consumer behaviors. The amounts of greenhouse gases reduction by means of plastic shopping bag reduction were evaluated in consideration of the difference in indirect effects depending on waste management policies of respective cities. Moreover, the annual amount of greenhouse gases reduction which could be alleviated through plastic shopping bag reduction was estimated for each city in Tokyo.
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