Lost Food and Associated Phosphorus Footprint: Evidence from China

Author:

Gao Dengyun12,Li Xing3,Ma Junkai1,Qian Long1ORCID

Affiliation:

1. Institute of Food and Strategic Reserves, Nanjing University of Finance and Economics, Nanjing 210023, China

2. School of Economics and Management, Taizhou University, Taizhou 225300, China

3. School of International Economics and Trade, Nanjing University of Finance and Economics, Nanjing 210023, China

Abstract

The environmental impacts of excessive phosphorus emissions (PE) have been widely discussed in recent years. This study aims to calculate and evaluate the phosphorus footprint (PF) of food thrown away in Chinese universities. Based on a nationwide survey involving 9192 university students from 29 provinces and 29 universities in China, the result reveals that the PF generated by food waste in Chinese university canteens was 3.209 Kt in 2018. Furthermore, it is found that meal satisfaction, gender, regional economic level, dietary culture, and years of education all have significant impacts on lost food PF. Our findings emphasize the importance of reducing food waste in university canteens, which plays a crucial role in ensuring food security and environmental protection.

Funder

National Natural Science Foundation of China

Publisher

MDPI AG

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