Towards Sustainable Food Systems: Exploring Household Food Waste by Photographic Diary in Relation to Unprocessed, Processed and Ultra-Processed Food

Global society is wasting food at unsustainable levels, and unconsumed contributing markedly to carbon emissions. Simultaneously, insecurity obesity are increasingly prevalent concerns in high-income countries. This study aimed evaluate waste the household level understand relationships between discarded food, processing characteristics. A sociodemographic security survey of householders Hampshire (UK) was conducted alongside a seven-day photographic diary. Of total from 94 participants, 87% unprocessed, 51% avoidable or potentially 36% unavoidable. waste, 61% occurred during preparation. Greater amounts one, three four+ person households than two-person households. Potentially greater educated postgraduate university degree others. The outcomes this indicate that focus on interventions should vary demographically. Interventions support security, improving diet quality saving money, while reducing unprocessed preparation one option. Reducing priority above.