This book is the proceedings of the papers presented during the International Renewable Energy Days on May 28-30, 2024, in Algiers (IrenDays'2024). It provides a comprehensive and current overview in the field of renewable energies and their role in promoting a sustainable world. Whether solar, wind, hydrogen, biomass or bioenergy, this book covers a wide range of topics including resource assessment and forecasting, energy conversion and efficiency, renewable grid integration, innovative technologies and new materials, energy efficiency in buildings, energy storage, sustainable hydrogen, alternative fuels, desalination and water treatment, as well as energy policy and economic aspects of renewable energy.

Including the latest research studies on renewable energy, this book presents a review of recent developments in renewable energy systems and their applications, along with the challenges to their widespread use. Furthermore, this book includes suggestions resulting from discussions at roundtables on "Innovation in Renewable Energy: Strategy and Standards" and "Artificial Intelligence for Renewable Energy Systems." This book is aimed at researchers, scientists and postgraduate students as it provides an in-depth overview of the most recent advances in the field of renewable energy and sustainable development. It could serve as a guide for industrialists and policy makers in emerging countries, as it provides best practices in the renewable energy sector and suggests the development of a renewable energy strategy. This book not only informs but also can contribute to a greener planet and a sustainability-oriented future.