The history of geosynthetics began over fifty years ago worldwide. It is still in the process of being written by engineers, researchers and enthusiasts, who see these products as a concrete response to the environmental challenges facing our society. Geosynthetics from Yesterday to Today presents the basic concepts and notions required for the use, application, dimensioning and durability of these products, which have constantly improved over time to meet ever-changing technical and environmental challenges. Based on experience acquired in France over several decades, this book establishes the soundness of these techniques and explains their concept and evolution. It is aimed at both beginners and experienced engineers, who are keen to learn more about this fascinating subject.