The chapters explain the most recent practical techniques to be used for wastewater and water treatment. It also covers new insights in green technologies for a cleaner environment. More specifically, this volume describes in detail the consequences and outcome of increasing global water pollution and analyzes precaution measures for mitigation. By reporting on the latest new technological interventions for water and wastewater treatment methods, the chapters identify preventive measures to overcome water pollution along with perspectives on future trends and challenges to provide a better understanding into the development of green technologies that are very important for ensuring sustainability. This title also covers case studies that demonstrate practical applications and theories on water treatment and management of natural resources. This valuable reference book, , will be useful for postgraduate environmental engineering students, scientists, and research scholars who are engaged in development of sustainable technologies.