Climate change and resource depletion threaten both humanity and ecosystems. Reduction in meat consumption is a key sustainable action, and identifying its determinants can play a crucial role in shaping effective climate change strategies. This review explores how community connectedness can influence sustainable eating and identifies potential factors shaping this relationship. Research on sustainable eating mainly examines individual factors. However, meat consumption is deeply rooted in social and cultural contexts, making change difficult. Community connectedness may both promote and hinder sustainable eating by reinforcing local dietary traditions. Although community connectedness may encourage protection of local environments and pro-environmental behaviors such as local food consumption, it may also reinforce meat-heavy culinary traditions. Since meat consumption is embedded in cultural and historical traditions globally, a strong connection to one's community may hinder the adoption of more environmentally friendly diets - particularly when these traditions emphasize resource-heavy foods like meat. However, collective community efforts can promote sustainable diets: research indicates that strong community ties can support initiatives promoting plant-based diets with minimal animal products. Initiatives like community-based pledges, cooking courses, and community-supported agriculture can encourage plant-based diets, and foster long-term habits through education, socialization, and community-driven support. Empirical evidence also shows that the potential for community connectedness to promote sustainable eating might depend on intervening factors like environmental awareness and a broader sense of connection to nature. Future research should further explore how local and global connectedness shape sustainable eating and evaluate the effectiveness of community-based interventions aimed at promoting pro-environmental diets, to develop culturally appropriate strategies for sustainable eating.

Copyright © 2025 The Authors. Published by Elsevier Ltd.. All rights reserved.

气候变化和资源枯竭威胁着人类和生态系统。减少肉类消费是可持续行动的关键，确定其决定因素对于制定有效的气候战略具有重要作用。本综述探讨了社区连通性如何影响可持续饮食，并识别可能塑造这种关系的潜在因素。关于可持续饮食的研究主要关注个人因素。然而，肉类消费深深植根于社会和文化背景中，这使得改变变得困难。社区连通性可能会促进或阻碍可持续饮食，通过强化当地的饮食传统来发挥作用。虽然社区连通性可以鼓励保护当地环境和支持环保行为（如本地食物消费），但它也可能加强以大量肉食为特征的烹饪传统。由于肉类消费在全球范围内嵌入到文化和历史的传统中，与自己社群的紧密联系可能会妨碍采用更加环保的饮食——特别是在这些传统强调像肉类这样资源密集型的食物时。然而，集体社区努力可以促进可持续饮食：研究表明，强大的社区纽带可以支持以植物性食物为主、少量动物产品为辅的饮食倡议。社区承诺、烹饪课程和支持农业等举措可以鼓励植物性饮食，并通过教育、社会化和社群驱动的支持培养长期习惯。实证证据还表明，社区连通性促进可持续饮食的潜力可能取决于干预因素，如环境意识和对自然更广泛的归属感。未来的研究应进一步探索本地和全球连通性如何影响可持续饮食，并评估旨在推广环保饮食的基于社区干预措施的有效性，以制定适合文化背景的可持续饮食策略。

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