Boulet Mark, Stott Annika, Kneebone Sarah
BehaviourWorks Australia, Monash Sustainable Development Institute, Monash University, 8 Scenic Boulevard, Clayton, VIC, 3800, Australia.
OzHarvest, PO Box 7257, Alexandria, NSW, 2015, Australia.
J Environ Manage. 2023 Nov 1;345:118668. doi: 10.1016/j.jenvman.2023.118668. Epub 2023 Jul 27.
More than half of the waste in the global food system's consumption stage comes from households, which therefore represent a critical entry point to tackle this challenge with its combined social, economic, and environmental impacts. Yet there is a tension for policy makers between promoting food waste reduction behaviours to householders and overloading them with too many options that make them less likely to engage. This study utilises an Impact-Likelihood methodology to identify the range of behaviours associated with household food waste reduction and to group them according to their impact and likelihood of adoption, as well as their current adoption rates. Scores for these measures were generated using data from an expert elicitation survey of food waste policy makers and practitioners, as well as a large-scale householder survey. The Impact-Likelihood matrix for household food waste reduction behaviours generated in this study identifies potential priority behaviours that are both impactful in tackling the substantive challenge of food waste and have a high likelihood of uptake by householders. As such, the matrix provides strategic research and decision support for policy makers in prioritising specific behaviours for more targeted engagement with householders in different geographical or jurisdictional contexts.
全球食品系统消费阶段超过一半的浪费来自家庭，因此家庭是应对这一具有社会、经济和环境综合影响的挑战的关键切入点。然而，对于政策制定者来说，在向家庭住户推广减少食物浪费行为与给他们过多选择导致他们参与度降低之间存在矛盾。本研究采用影响可能性方法来确定与家庭食物浪费减少相关的行为范围，并根据其影响、采用可能性以及当前采用率对这些行为进行分组。这些措施的得分是使用对食物浪费政策制定者和从业者的专家咨询调查数据以及大规模住户调查数据得出的。本研究生成的家庭食物浪费减少行为的影响可能性矩阵确定了潜在的优先行为，这些行为在应对食物浪费的实质性挑战方面具有影响力，并且住户采用的可能性很高。因此，该矩阵为政策制定者在不同地理或管辖范围内优先考虑特定行为以更有针对性地与家庭住户互动提供了战略研究和决策支持。
