Chapter 1. Occurrence and Health Impacts of Emerging Contaminants in Municipal Wastewater Reuse -- Chapter 2. Promises and Challenges of Growing Microalgae in Wastewater -- Chapter 3. Risk of Metal Contamination in Agriculture Crops by Reuse of Wastewater: An Ecological and Human Health Risk Perspectives -- Chapter 4. Biological Wastewater Treatment for Prevention of River Water Pollution and R…