Abstract
The limit of the linear economic model increased the interest in developing a new economic model based on a closed circle. The circular economy (CE) emerges as a model of sustainable, regenerative and restorative development, whose focus is to maintain products, food waste and natural resources at their highest level of usefulness and value over time. This paper aims to discuss the issue of food waste and how to preserve it through CE. The methodological procedure was the Systematic Literature Review (SLR), based on the protocol by Cronin, Ryan & Coughlan (2008), using the time frame of the last ten years, 2009 to 2019, considering papers published in international journals. It was clear that there is an accumulation of articles published in European countries, focused on attempts to implement circular models that aim to mitigate food waste, and that the transition to this model is essential due to the depletion of natural resources and negative socio-economic externalities. This work highlights the CE processes and benefits of food waste. In addition, it provides suggestions, management, and policy contributions for future research. The valorization and treatment of food waste could contribute to the mitigation of acute hunger in developing countries and the creation of value in food supply chains (FSC).
Highlights
The global financial crisis has brought with it a shortage of resources and food, according to Banque Mondiale (2012)
The results indicate that agrifood waste and by-products represent a source of phenols and antioxidant molecules
More research is still needed to investigate the relationship between circular economy (CE) and food waste, which were the focus of this paper, as well as their influences on the performance of new innovative sustainable development models for the prevention, reduction and valorization of food waste in developed and developing countries
Summary
The global financial crisis has brought with it a shortage of resources and food, according to Banque Mondiale (2012). Political action to return lost natural resources within planetary limits is essential to safeguard human wellbeing, achieving a closed-loop system, maintaining the value of raw materials and food waste within a sustainable economy. According to the Food Security Information Network (FSIN, 2019), more than 113 million people in the world are starving. Food crisis have been recorded mainly in countries such as Yemen, Democratic Republic of Congo, Afghanistan, Ethiopia, Arab Republic, Syria, Sudan, Southern Sudan and Northern Nigeria. These countries represent two-thirds of the total number of people facing food insecurity, totalling approximately 72 million people. It is perceived that onethird of food destined for human consumption is lost or wasted between the place of production and human consumption (FSIN, 2019)
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