This conference proceedings from the OECD Conference on Agricultural Knowledge Systems (AKS), held in Paris, on 15-17 June 2011, discusses a large range of experiences and approaches to AKS  explores how to foster development and adoption of innovation to meet global food security and climate change challenges. The conference considered developments in institutional frameworks, public and private roles and partnerships, regulatory frameworks conducive to innovation, the adoption of innovations and technology transfers, and the responsiveness of AKS to broader policy objectives.