This volume presents the proceedings of the fib International Conference on Concrete Sustainability, held in Guimarães, Portugal on 11-13 September 2024. It covers topics such as concrete and advanced materials, structural performance and design, construction methods and management, durability, life cycle design, through-life management and care, resilience, dismantlement, reuse and recycling, & innovation in buildings and civil structure. fib (The International Federation for Structural Concrete) is a not-for-profit association whose mission is to develop at an international level the study of scientific and practical matters capable of advancing the technical, economic, aesthetic, and environmental performance of concrete construction.