 The Landsat-8 and Sentinel-2 satellites offer unique capabilities for long-term monitoring applications. Combinations of their spectral bands have been shown to provide valuable information about land cover and changes over time. However, there are some limitations associated with combining these two instruments, such as differences in near-infrared bands between Sentinel-2 and older Landsat satellites. This article was authored by Emanuele Mandanesi and Gabrielle Bitelli.