气候变化领域集成服务门户(CCPortal): Food security under high bioenergy demand toward long-term climate goals

CCPortal

DOI	10.1007/s10584-020-02838-8
	Food security under high bioenergy demand toward long-term climate goals
	Hasegawa T.; Sands R.D.; Brunelle T.; Cui Y.; Frank S.; Fujimori S.; Popp A.
发表日期	2020
ISSN	0165-0009
英文摘要	Bioenergy is expected to play an important role in the achievement of stringent climate-change mitigation targets requiring the application of negative emissions technology. Using a multi-model framework, we assess the effects of high bioenergy demand on global food production, food security, and competition for agricultural land. Various scenarios simulate global bioenergy demands of 100, 200, 300, and 400 exajoules (EJ) by 2100, with and without a carbon price. Six global energy-economy-agriculture models contribute to this study, with different methodologies and technologies used for bioenergy supply and greenhouse-gas mitigation options for agriculture. We find that the large-scale use of bioenergy, if not implemented properly, would raise food prices and increase the number of people at risk of hunger in many areas of the world. For example, an increase in global bioenergy demand from 200 to 300 EJ causes a − 11% to + 40% change in food crop prices and decreases food consumption from − 45 to − 2 kcal person−1 day−1, leading to an additional 0 to 25 million people at risk of hunger compared with the case of no bioenergy demand (90th percentile range across models). This risk does not rule out the intensive use of bioenergy but shows the importance of its careful implementation, potentially including regulations that protect cropland for food production or for the use of bioenergy feedstock on land that is not competitive with food production. © 2020, The Author(s).
英文关键词	Bioenergy; Food availability; Food security; Integrated assessment model; Model comparison
语种	英语
scopus关键词	Agricultural robots; Agriculture; Costs; Food supply; Greenhouse gases; Agricultural land; Bioenergy supplies; Climate change mitigation; Food consumption; Food production; Food security; Greenhouse gas mitigation; Number of peoples; Climate change
来源期刊	Climatic Change
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/147308
作者单位	Ritsumeikan University, 1-1-1, Nojihigashi, Kusatsu, Shiga 525-8577, Japan; Center for Social and Environmental Systems Research, National Institute for Environmental Studies (NIES), 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan; International Institute for Applied Systems Analysis (IIASA), Schlossplatz 1, Laxenburg, 2361, Austria; U.S. Department of Agriculture, Economic Research Service Beacon Facility MS 9999, P.O. Box 419205, Kansas City, MO 64141, United States; CIRAD, UMR CIRED, Nogent-sur-Marne, 94736, France; Pacific Northwest National Laboratory (PNNL), 5825 University Research Court, Suite 3500, College Park, MD 20740, United States; Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, C1-3, Kyoto Daigaku Katsura, Nishikyo-ku, Kyoto-shi, 615-8540, Japan; Potsdam Institute for Climate Impact Research (PIK), Telegrafenberg A 31, Potsdam, 14473, Germany
推荐引用方式 GB/T 7714	Hasegawa T.,Sands R.D.,Brunelle T.,et al. Food security under high bioenergy demand toward long-term climate goals[J],2020.
APA	Hasegawa T..,Sands R.D..,Brunelle T..,Cui Y..,Frank S..,...&Popp A..(2020).Food security under high bioenergy demand toward long-term climate goals.Climatic Change.
MLA	Hasegawa T.,et al."Food security under high bioenergy demand toward long-term climate goals".Climatic Change (2020).