What Nudge Techniques Work for Food Waste Behaviour Change at the Consumer Level? A Systematic Review

In European countries over 40% of food loss and waste occurs at the retail consumer stages; this situation cannot be sustained remediation is urgently needed; opportunities for change must created. “Nudge” techniques have been shown to effective in changing behaviour areas related consumption (e.g., healthy diet), but effectiveness interventions using nudge behaviours remains unclear, despite a growing body research. The aim review elucidate means household approaches identify priority needs further Four databases, grey literature reference lists were searched systematically relevant research on nudges behaviours. This search identified sixteen peer-reviewed articles two reports that critically appraised critical appraisal checklist framework descriptive/case series. studies deemed reliable show social norms, reminders or norms with disclosure level, while alone, i.e., revealing environmental costs waste, was not. review, unique application appraisal, suggests there information recycling when incorporating alongside use norms. If considered an upstream measure raise consumers’ consciousness amount they produce, may positive impact reduction therefore has important policy implications level.