Climate change, Water supply, Water shortages, Cities, desalination, Salinity, Wastewater treatment, Disinfection & disinfectants, Drinking water, Corrosion, Seawater, Recycling, Hong Kong, Israel, Water scarcity, Freshwater resources, Capital, Water reuse, Flushing, Construction costs, Singapore, Integrated water management, Toilet flushing, Urban water man...