All Related Apply Refine results Type Page Features Article Files & Media News Event Document General Categories Atmospheric composition Sentinel Features - All Tags Sentinel-4 Sentinel-5 Sentinel-3 Sentinel-6 Copernicus Features article Date 2023 2020 SHOW ALL 3 results Features Tracking and tracing atmospheric change EUMETSAT missions enhance global observations of greenhouse gas emissions and air pollution Sentinel series Copernicus Sentinel missions that have been developed for the specific needs of the Copernicus Programme. Copernicus The Earth observation satellites contributing data to Copernicus are split into two groups of missions: the Copernicus Sentinels and the contributing missions.