Case studies Imagery and case studies of weather phenomena and environmental events observed by EUMETSAT's fleet of weather satellites. Sort Refine results Categories Satellites Atmospheric Composition Metop Sentinel Climate Ocean Weather Meteosat Tags Metop-B GOME-2 Meteosat Second Generation (MSG) Sentinel-3 IASI Metop-A EPS Europe Asia Himawari GOES SNPP Date 2020 SHOW ALL Sort by Start Date Order Ascending Descending 2 results Case study Jan, Feb, March 2007-2020 Pollution levels drop during COVID-19 lockdown The COVID-19 lockdown in early 2020 had a visible effect on pollution. Case study January–December 2020 Top ten case studies for 2020 A look at our most popular case studies from 2020.