Long, complex and globalised food chains often pose major challenges in terms of the sustainability of their environmental, economic and social impacts. The aim of this study was to gain a better understanding of the sustainability of the beef and soy supply chains in Latin America and the European Union (EU). Within an FP 7 project called SALSA, we explored the attitudes towards, preferences for, and awareness of specific sustainability aspects of supply chains from the perspective of non-business and business stakeholders as well as consumers