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OBJECTIVE: To develop a policy formulation tool for strategically informing food and nutrition policy activities to promote healthy and sustainable diets (HSD). DESIGN: A policy formulation tool consisting of two complementary components was developed. First, a conceptual framework of the environment-public health nutrition relationship was constructed to characterise and conceptualise the food system problem. Second, an 'Orders of Food Systems Change' schema drawing on systems dynamics thinking was developed to identify, assess and propose policy options to redesign food systems. SETTING: Food and nutrition policy activities to promote HSD have been politicised, fragmented and lacking a coherent conceptual and strategic focus to tackle complex food system challenges. RESULTS: The tool's conceptual framework component comprises three integrated dimensions: (i) a structure built around the environment and public health nutrition relationship that is mediated via the food system; (ii) internal mechanisms that operate through system dynamics; and (iii) external interactions that frame its nature and a scope within ecological parameters. The accompanying schema is structured around three orders of change distinguished by contrasting ideological perspectives on the type and extent of change needed to 'solve' the HSD problem. CONCLUSIONS: The conceptual framework's systems analysis of the environment-public health nutrition relationship sets out the food system challenges for HSD. The schema helps account for political realities in policy making and is a key link to operationalise the framework's concepts to actions aimed at redesigning food systems. In combination they provide a policy formulation tool to strategically inform policy activities to redesign food systems and promote HSD.

OBJECTIVE To determine key points of intervention in urban food systems to improve the climate resilience, equity and healthfulness of the whole system. DESIGN The paper brings together evidence from a 3-year, Australia-based mixed-methods research project focused on climate change adaptation, cities, food systems and health. In an integrated analysis of the three research domains - encompassing the production, distribution and consumption sectors of the food chain - the paper examines the efficacy of various food subsystems (industrial, alternative commercial and civic) in achieving climate resilience and good nutrition. SETTING Greater Western Sydney, Australia. SUBJECTS Primary producers, retailers and consumers in Western Sydney. RESULTS This overarching analysis of the tripartite study found that: (i) industrial food production systems can be more environmentally sustainable than alternative systems, indicating the importance of multiple food subsystems for food security; (ii) a variety of food distributors stocking healthy and sustainable items is required to ensure that these items are accessible, affordable and available to all; and (iii) it is not enough that healthy and sustainable foods are produced or sold, consumers must also want to consume them. In summary, a resilient urban food system requires that healthy and sustainable food items are produced, that consumers can attain them and that they actually wish to purchase them. CONCLUSIONS This capstone paper found that the interconnected nature of the different sectors in the food system means that to improve environmental sustainability, equity and population health outcomes, action should focus on the system as a whole and not just on any one sector.

Geographers are increasingly grappling with the theoretical and practical implications of integrating an ethics of reciprocity into undergraduate learning and teaching. This paper draws on the unexpected experiences of a third-year human geography research methods fieldtrip to examine the process of balancing undergraduate student learning and assessment outcomes, with tangible outputs often-desired by Indigenous tour operator partners. Reflections from students and academic staff highlight the challenges of realizing ideals of reciprocity within the complex and ever shifting cross-cultural research context.