The Agro2Circular project, funded by the European Union, has published book A best practice guide to support the circular economy in the agri-food sector. This publication brings together lessons learned from ten innovative demonstration projects in recycling, food, cosmetics, packaging and digitalisation. The book provides guidance for stakeholders on how to upcycle agricultural and food waste and manage complex materials effectively. It aims to disseminate knowledge, foster innovation and help shape policies towards a more sustainable agri-food sector.