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Despite improvements, international food supply in general and coffee supply in particular continue to cause significant greenhouse gas emissions, economic inequities, and negative impacts on human well-being. There is agreement that dominant economic paradigms need to change to comply with the sustainability principles of environmental integrity, economic resilience, and social equity. However, so far, little empirical evidence has been generated to what extent and under which conditions sustainable international coffee supply could be realized through small intermediary businesses such as roasteries, breweries, and/or retailers. This case study reports on a collaborative project between a small coffee brewery and its customers in the U.S. and a small coffee roastery and its suppliers in Mexico that demonstrates how sustainable coffee supply could look like and explores under which conditions it can be realized. A research team facilitated the cooperation using a transdisciplinary research approach, including field visits and stakeholder workshops. The project (i) assessed the sustainability challenges of the current supply and value chains; (ii) developed a vision of a joint sustainable coffee supply chain; (iii) build a strategy to achieve this vision, and (iv) piloted the implementation of the strategy. We discuss the project results against the conditions for sustainable international coffee supply offered in the literature (why they were fulfilled, or not). Overall, the study suggests that small intermediary coffee businesses might have the potential to infuse sustainability across their supply chain if cooperating with “open cards.” The findings confirm some and add some conditions, including economic resilience through cooperation, problem recognition, transparency, trust, and solidarity across the supply chain. The study concludes with reflections on study limitations and future research needs. 

Local grain economies are being developed in North America and Europe as alternatives to the global grain economy and its negative externalities. Little is known, however, about their size, structure, and sustainability, in particular as they evolve. This study offers such insights from a case study of the local grain economy in Arizona. The study uses an analytical framework that combines quantitative and qualitative data and a number of analytical methods to construct a multidimensional profile of the local grain economy. The findings indicate steady growth of the local grain economy in Arizona—in production quantities, range of businesses, diversity of products, and local economy benefits over a number of developmental stages. The findings also suggest that challenges of consolidation, transparency, and other growth issues might undermine its sustainability. The insights can inform the further development of the local grain economy in Arizona and other regions. The study also provides a framework that, through comparative research, allows for creating generalized knowledge about local grain economies and alternative food networks.