This volume provides a comprehensive framework for assessing site sediments and contamination, offering essential insights to prevent environmental pollution and sediment-related impacts. Chapters cover key topics such as the sources, types, and management of environmental pollution; site risk assessment strategies for chemical substances and polluted land; risk control and reduction measures, with a focus on legal and regulatory aspects; and scientific tools for monitoring and risk management.With country-specific case studies, the book explores the intersection of engineering practices, regulatory frameworks, and technological advancements. Drawing on the expertise of researchers and professionals from around the globe, this book serves as an authoritative guide for those involved in environmental risk assessment, pollution management, and sustainable site remediation.