How seasonality affects the environmental performance of fresh appetite: Insights from cherry consumption in China

被引:4
作者
Xiong, Xin [1 ]
Shen, Junyi [1 ]
Hao, Yan [1 ,3 ]
Zhang, Lixiao [1 ,3 ]
Zhao, Rui [2 ]
Tang, Shoujuan [1 ]
Li, Xinqing [1 ]
Shi, Zhimin [1 ]
机构
[1] Beijing Normal Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Cont, Beijing 100875, Peoples R China
[2] Southwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 611756, Peoples R China
[3] Beijing Normal Univ, Sch Environm, 19 Xinjiekouwai St, Beijing 100875, Peoples R China
基金
中国国家自然科学基金;
关键词
Seasonality; Environmental impact; Life cycle assessment; Behavior change; Sustainable consumption; LIFE-CYCLE ASSESSMENT; PROCESSED SWEET CHERRIES; CARBON FOOTPRINT; OPEN-FIELD; GREENHOUSE; URBANIZATION; MANAGEMENT; EMISSIONS; SYSTEMS; CRADLE;
D O I
10.1016/j.jenvman.2022.116868
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Urbanization and globalization are changing the conventional constraints of seasonality and geography on food consumption, such as that of fresh cherries. The rising demand for year-round cherry consumption in China is currently satisfied by open-field, greenhouse-produced, and imported products. This study conducted a spatial -temporal life cycle evaluation of the environmental performance of cherry consumption behaviors during different seasons of the year. Moreover, based on the definitions of global and local seasonality, the additional environmental costs of out-of-season cherry consumption were estimated. Results show that seasonality was an important factor affecting the environmental burdens of cherry consumption. Eating cherries imported from Chile by air in October resulted in the highest greenhouse gas (GHG) emissions of 6.38 kg CO2-eq/kg, while eating domestic open-field cherries during May to July (the natural harvest season) was a relatively environ-mentally beneficial option. The total cherry consumption in China in 2019 generated GHG emissions of 126.99 x 104 t CO2-eq. Under the definitions of global and local seasonality, the out-of-season consumption led to additional environmental costs of 57.59 x 104 and 85.67 x 104 t CO2-eq, accounting for 45.35% and 67.46% of total emissions, respectively. Furthermore, the time-environment trade-off effect of cherry consumption illus-trates the higher environmental costs are exchanged for satisfying the appetite for out-of-season fresh foods. Our findings emphasize the meaningful implications for developing a sustainable consumption pattern for all stakeholders involved in the entire food chain.
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页数:11
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