Book excerpt: Advanced Nanomaterials for Pollutant Sensing and Environmental Catalysis presents the most recent advances and scientific discoveries in the fields of environmental protection and sensing with nanotechnology. The book's authors highlight recent advancements in how nanotechnology is being used to create more efficient pollution controls, with particular attention given to noble metal nanosensors, novel hollow micro-/nanostructures with innovative functions, and advanced nanocatalysts based on carbon materials for water splitting. Each chapter demonstrates the fundamentals of the technology, illustrating key concepts and highlighting the latest developments and challenges in these multi-disciplinary fields. This book is a valuable resource for academic researchers, graduate students and R&D professionals in the fields of material science, chemistry, environmental science and nanotechnology. - Presents the current state-of-the-art and covers the fundamentals and related technologies from a strong chemical, material and environmental engineering background - Covers current trends and issues, including nontoxicity, efficiency of decomposition, and the sensitivity of nanomaterials used for sensing and environmental remediation - Highlights the benefits and challenges of using nanomaterials to control pollution