This book introduces the transformative potential of noble metals. It addresses the urgent need for sustainable energy and environmental solutions and examines how noble metal nanoparticles can play an essential role in combating climate change. By studying the unique physical, chemical and optical properties of precious metals that make them ideal catalysts for clean technologies. Discover how precious metals are revolutionizing solar cells, supercapacitors, fuel cells and water treatment systems, paving the way for a cleaner, greener future. The book provides a useful guide for a wide readership in various areas of catalysis, materials science, environmental and energy technology. It offers a comprehensive and integrated introduction to climate change and sustainable energy and shows various application examples of noble metals. An ideal companion for students and researchers in interdisciplinary areas such as physics, biotechnology and environmental sciences.