09 July 2021, Rome, Italy - (Composite photo, from left) : Thomas Hertel, Professor of Agricultural Economics, Purdue University; Elizabeth Mkandawire, FSNet-Africa Network and Research Manager, University of Pretoria; Jean Eric Paquet, Director-General, Directorate-General for Research and Innovation, European Commission; Josefa Sacko, Commissioner for Rural Economy and Agriculture; Moderator: Maximo Torero, Chief Economist, FAO. Science Days for the UN Food Systems Summit 2021 - Plenary Session: Session 5: Achieving the 2030 goals: opportunities, trade-offs, obstacles and synergies.