This book highlights current efforts and research on waste management, processing and valorization, particularly in Asia-Africa countries.Chapters 1–2highlight the overview of plastic waste management and the production of waste plastic oil (WPO).Chapters 3–5discuss the landfill characterization and application of incineration and composting for waste processing. A new achievement in adsorbent production is highlighted inChapters 6 and 7whileChapters 10 and 11focus on sewage characteristic and its utilization using microalgae. Enzyme production using waste is covered byChapters...