Introduction.- Water Security Assessment for the Red – Thai Binh River Basin, Vietnam.- Contextualizing Farmers’ Perceptions of Agricultural Wastewater Reuse in Areas of Water Shortage and Contamination: An In-depth Case Study of Wadi Al-Far`a Watershed – Palestine.- Optimize Anaerobic Degradation Processes in Agricultural Wastewater Treatment to maximize Biogas Productivity.- Evaluation of Wastewater Treatment using Dilution in Rosetta Branch and Tala Drain, Nile Delta, Egypt.- Upcoming Challenges of Water Reclamation fromUnconventional Sources.- How Membrane Bioreactor Technology Can Help to Solve both, German and RussianWastewater Problems.- Experiences on Wastewater Treatment and Reuse for Different Types of Industries.- Social Characteristics and Adaptation to Water Scarcity: The Case of Groundnut Farmers in the Lawra and Nandom Districts, Ghana.- Temporal Climate Variability and Staple Cereals in Southern Burkina Faso.