During the first COVID-19 wave in Spain, confining the population at home was seen as an effective way to prevent the disease from spreading. This limited mobility affected citizens’ routines at homes because it influenced their life habits, including food management. The main objective of this paper was to understand citizens’ food waste (FW) behavior during the first COVID-19 lockdown in Spain by understanding related food practices that could have influenced FW generation. An online survey was conducted from 14 May to 11 June, 2020; 6293 valid responses were collected and analyzed, and 95% of the participants declared not wasting more food than usual. On average, they reported wasting 234 g per household per week, which equals 88 g per capita. We found significant differences in the reported FW generation between participants regarding their age, gender, household composition, and employment status due to COVID-19. In addition, food-related behaviors such as buying more food than usual due to fear or anxiety, storing more food than before the lockdown, and improvising when buying groceries seemed to affect the FW reported by the participants. The paper ends by comparing the conclusions drawn by different works conducted in other countries for a similar purpose.
Globally, one in every three produced kilograms is wasted at some point along the entire agri-food chain. Unfortunately, knowledge about losses and waste is not equally distributed along the food chain. In fact, in some stages the primary data required to properly estimate the magnitude of the problem are lacking. This is especially true for agricultural production, for which studies that have used on-site measurements are scarce. The present study analyses the mass losses and unpaid share that occur during the harvest process and persimmon storage in warehouses in the Valencia region, Spain. The study was carried out using on-site measurements and primary data from the harvest and storage phases. Losses were also classified according to their causes. The total mass and economic losses were estimated as either 29.5% for the total produced volume or 38.5% for the number of finally commercialised kilograms. This work aims to highlight the complex problem in primary production with the mass and economic losses that farmers bear and to show the potential of loss reduction measures.
Nowadays, the food industry is integrating environmental, social, and health parameters to increase its sustainable impact. To do this, they are using new tools to calculate the potential efficiency of nutritional products with lower levels of environmental impact. One of these tools is called the ‘nutritional footprint’, created by Wuppertal Institute for Climate, Environment and Energy GmbH. This study aims to review this concept and clarify its historical development, its use in several sectors of the food industry, and its transformation from a manual to an online tool. Results reflected that it is a suitable indicator that integrates nutritional, environmental, and social-economic dimensions to help the decision-making process in the procurement of more sustainable products and, although it is limited to Germany due to the use of the national standard nutritional intakes of Germany, its importance lies in the fact that is a promising instrument to promote environmental sustainability in the context of food, meals, and the hotel, restaurant and catering (HoReCa) sectors.
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