SAR radar images are a fundmental source to support emergency response activities to detect flooded areas even in case of cloudy weather. The department 'Difesa del Suolo' of Regione Sardegna, Italy, has started a project for monitoring of main river basins all over the region that includes the use of radar and optical Earth Observation data . To read the complete article (in italian) visit the last issue of Planetek’s GeoXperience magazine