GSTDTAP  > 资源环境科学
DOI10.1016/j.landurbplan.2016.07.008
The potential for urban household vegetable gardens to reduce greenhouse gas emissions
Cleveland, David A.1; Phares, Noelle2; Nightingale, Krista D.1; Weatherby, Robyn L.1; Radis, William1; Ballard, Jane1,3; Campagna, Madia1; Kurtz, Devin1; Livingston, Krystyna1; Riechers, Gloria1; Wilkins, Kate1
2017
发表期刊LANDSCAPE AND URBAN PLANNING
ISSN0169-2046
EISSN1872-6062
出版年2017
卷号157
文章类型Article
语种英语
国家USA
英文摘要

We carried out a life cycle assessment to model the potential for alternative household vegetable gardens (AHHVGs) to mitigate global climate change by reducing greenhouse gas emissions (GHGE) for Santa Barbara County, California, USA. Our model included changes in GHGE due to the effect of creating an AHHVG for five components: reduction of lawn area due to replacement by the AHHVG; reduction of vegetables purchased from the conventional agrifood system due to replacement by vegetables produced in the AHHVG; reduction in amount of greywater exported to treatment facilities due to diversion to irrigate the AHHVG; reduction in amount of household organic waste exported to treatment facilities due to diversion to composting at the household level for application to the AHHVG; and composting organic household waste for use in the AHHVG. We found that AHHVGs could reduce emissions by over 2 kg CO(2)e kg(-1) vegetable, but that results were sensitive to the range of values for the key variables of yield and alternative methods for processing household organic waste. In our baseline scenario (50% of singlefamily households with an 18.7 m(2) AHHVG, providing 50% of their vegetable consumption), AHHVGs contributed 3.3% of the GHGE reduction goals of unincorporated Santa Barbara County for 2020, 0.5% of the goals for the City of Santa Barbara for 2050, and by extrapolation, 7.8% of the goals for California for 2020. Our results could provide an incentive for governments to include support of AHHVG as part of climate mitigation strategies, and for households to grow vegetables in AHHVGs to address climate change. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Climate change Climate policy Greenhouse gas emissions Household vegetable gardens Life cycle assessment Organic waste
领域资源环境
收录类别SCI-E ; SSCI
WOS记录号WOS:000390183300034
WOS关键词LIFE-CYCLE ASSESSMENT ; UNITED-STATES ; AGRICULTURE ; CONSUMPTION ; WASTE ; FRUIT ; IMPACTS
WOS类目Ecology ; Environmental Studies ; Geography ; Geography, Physical ; Regional & Urban Planning ; Urban Studies
WOS研究方向Environmental Sciences & Ecology ; Geography ; Physical Geography ; Public Administration ; Urban Studies
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/25433
专题资源环境科学
作者单位1.Univ Calif Santa Barbara, Environm Studies Program, Santa Barbara, CA 93106 USA;
2.Univ Calif Santa Barbara, Bren Sch Environm Sci & Management, Santa Barbara, CA 93106 USA;
3.Univ Calif Santa Barbara, Global Studies Program, Santa Barbara, CA 93106 USA
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GB/T 7714
Cleveland, David A.,Phares, Noelle,Nightingale, Krista D.,et al. The potential for urban household vegetable gardens to reduce greenhouse gas emissions[J]. LANDSCAPE AND URBAN PLANNING,2017,157.
APA Cleveland, David A..,Phares, Noelle.,Nightingale, Krista D..,Weatherby, Robyn L..,Radis, William.,...&Wilkins, Kate.(2017).The potential for urban household vegetable gardens to reduce greenhouse gas emissions.LANDSCAPE AND URBAN PLANNING,157.
MLA Cleveland, David A.,et al."The potential for urban household vegetable gardens to reduce greenhouse gas emissions".LANDSCAPE AND URBAN PLANNING 157(2017).
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