This book integrates various scientific approaches, including bioremediation and nanomaterials, to address environmental challenges posed by living organisms. It serves as a crucial guide for decision-makers, providing a scientific foundation for tackling issues within the circular economy paradigm. By introducing innovative methods for improving environmental conditions, the book facilitates the design of eco-friendly cities and revitalizes older urban areas. The chapters cover topics such as the current state and future of international environmental relations, the impact of population growth on pollution, and recent advances in sustainable waste management. Readers will discover insights into the relationship between air pollution, nanomaterials, and bioremediation, as well as the role of artificial intelligence as a predictive tool. The book also explores key pollution-related issues and presents effective remediation strategies. Special attention is given to the role of nanotechnology in addressing climate change, with chapters highlighting its applications in sustainable agriculture. This book is an invaluable resource for professionals, researchers, and graduate students engaged in advanced environmental science research. It reinforces fundamental remediation concepts while introducing the latest updates, maximizing readers' knowledge of sensor-based remediation. The book presents a multidisciplinary approach, integrating theoretical perspectives with practical case studies. Whether the reader is an academic, practitioner, or interested layperson, this book offers a wealth of information and insights into the future of environmental sustainability.