This proceedings book covers the latest research and advancements in nanotechnology for environmental protection and clean energy production. It encompasses a wide range of topics, including physical-chemical nanomaterials science, nanoscale physics, nanocomposites and nanomaterials applications, solids and structures, renewable energy, nanoparticles, and metallic and polymer materials. While focusing on scientific advancements, this book highlights the practical applications of nanotechnology in environmental protection and clean energy production. It bridges the gap between theory and real-world implementation, making it a valuable resource for researchers, students, and professionals seeking practical insights and solutions.