Alternative Food Networks gain increasing importance in sustainability transitions of food production, retail, and consumption. This paper explores the role of AFN consumers as critical food sustainability change agents, with a special focus on low-income consumers. It challenges preconceived notions that associate sustainable living exclusively with affluent communities, highlighting the substantial influence of economically disadvantaged individuals in shaping sustainable food consumption patterns. Based on a survey of the Portuguese Fruta Feia cooperative, the paper examines how perceived income affects sustainable food values, decisions, and practices. Results highlight low-income consumers' significant, yet often overlooked, role in driving changes towards environmentally responsible food systems and practices. This research shifts the focus of sustainability change agency, underscoring the critical role of diverse, particularly financially disadvantaged, consumer groups in championing sustainability in the food sector. It also confirms the importance of AFNs and their members as critical transition stakeholders.
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