Today, Hydrologic Cycle has attended the interesting conferences of the University Institute of Water and Environmental Sciences (IUACA), where the World Water Day has been celebrated. In these conferences, Domingo Zarzo has talked about the importance of desalinated water in the world, Eloy García has explained the need of reusing the treated water and Daniel Prats has closed the Day with a presentation on desalination and water reuse in Alicante.