气候变化领域集成服务门户(CCPortal): Reduction of the carbon footprint of college freshman diets after a food-based environmental science course

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DOI	10.1007/s10584-019-02407-8
	Reduction of the carbon footprint of college freshman diets after a food-based environmental science course
	Jay J.A.; D’Auria R.; Nordby J.C.; Rice D.A.; Cleveland D.A.; Friscia A.; Kissinger S.; Levis M.; Malan H.; Rajagopal D.; Reynolds J.R.; Slusser W.; Wang M.; Wesel E.
发表日期	2019
ISSN	0165-0009
起始页码	547
结束页码	564
卷号	154 期号:2020-03-04
英文摘要	The goal of this study was to evaluate the impact of a two-quarter freshman course series entitled “Food: A Lens for Environment and Sustainability” (Food cluster) on the carbon footprint of food choices by college freshmen attending a large public university in California. Students enrolled in the course completed a baseline questionnaire about their diets in early fall quarter and then again at follow-up, about 6 months later at the end of the winter quarter. The control group consisted of freshmen enrolled in a different course series entitled “Evolution of the Cosmos and Life” (Cosmos cluster). The instruction in the Food cluster included lecture material on general environmental science and life cycle analyses of food, an analysis of a reading comparing the environmental footprint of various types of meats, and classroom exercises to calculate the environmental footprint of typical foods. The Cosmos cluster instruction included climate change, but no information about food. While the two groups were statistically indistinguishable at baseline, throughout the period of the study, Food cluster students decreased (a) their overall dietary carbon footprint for a 2000-kcal normalized diet by 7% (p = 0.062), (b) the beef component of their dietary carbon footprint by 19% (p = 0.024), and (c) their reported ruminant consumption by 28% (p < 0.001). At follow-up, the overall dietary footprints for Food cluster students were 4153 and 5726 g CO2-eq/day for female and male students, respectively, compared to 4943 and 6958 g CO2-eq/day for female and male Cosmos students. In the Food cluster, both genders decreased their reported ruminant meat consumption by about a serving per week, while reported ruminant meat consumption increased for males in the control group. Modest, voluntary dietary changes such as those observed in this study could play an important role in mitigating climate change. Extrapolated across the entire US population, the difference in dietary carbon footprint observed between the Food cluster and control group would amount to 33% of the reduction required for the 2013 President’s Climate Action Plan (2013). © 2019, Springer Nature B.V.
语种	英语
scopus关键词	Carbon dioxide; Climate change; Emission control; Life cycle; Meats; Reduction; Students; Sustainable development; Dietary changes; Environmental footprints; Environmental science; Freshman course; Lecture materials; Life cycle analysis; Meat consumption; Public universities; Carbon footprint; carbon footprint; climate change; diet; environmental assessment; food consumption; questionnaire survey; student; California; United States
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/147464
作者单位	University of California Los Angeles, Civil and Environmental Engineering, Los Angeles, CA 90095, United States; University of California Los Angeles, Institute of the Environment and Sustainability, Los Angeles, CA 90095, United States; Department of Media, Journalism and Film, Miami University in Ohio, Oxford, OH 45056, United States; Environmental Studies Program and Department of Geography, University of California Santa Barbara, Santa Barbara, CA 93106, United States; University of California Los Angeles, Integrative Biology and Physiology, Los Angeles, CA 90095, United States; Natural Resources Defense Council, 1314 Second St, Santa Monica, CA 90401, United States; Office of Instructional Development, University of California Los Angeles, Los Angeles, CA 90095, United States; University of California Los Angeles, Fielding School of Public Health, Los Angeles, CA 90095, United States; University of California Los Angeles, Healthy Campus Initiative, Los Angeles, CA 90095, United States
推荐引用方式 GB/T 7714	Jay J.A.,D’Auria R.,Nordby J.C.,et al. Reduction of the carbon footprint of college freshman diets after a food-based environmental science course[J],2019,154(2020-03-04).
APA	Jay J.A..,D’Auria R..,Nordby J.C..,Rice D.A..,Cleveland D.A..,...&Wesel E..(2019).Reduction of the carbon footprint of college freshman diets after a food-based environmental science course.Climatic Change,154(2020-03-04).
MLA	Jay J.A.,et al."Reduction of the carbon footprint of college freshman diets after a food-based environmental science course".Climatic Change 154.2020-03-04(2019).