Novel human impact dataset for the Arctic based on Sentinel-1 and Sentinel-2 (ESA feature story) A publication on human impact along Arctic coastlines has been published in Environmental Research Letters. Sentinel-1 and Sentinel-2 have been combined using machine learning to develop a novel database in the framework of the HORIZON2020 project Nunataryuk. For more information see also the ESA feature story 'Satellites pinpoint communities at risk of permafrost thaw'.