This document discusses food security and the work of the CGIAR. It provides definitions of food security and its four pillars: availability, access, utilization, and stability. It then outlines 11 intermediate development outcomes measured by CGIAR that influence the different pillars of food security. The rest of the document highlights achievements and challenges in averting food production losses, increasing food security through system intensification, improving supply under drought conditions, the comparative advantage and challenges of CGIAR, feedback received, and the need to invest in solutions for future global food security challenges.