CCI THREDDS Data Server Catalog https://data.cci.ceda.ac.uk/thredds/catalog/esacci/ghg/data/crdp_4/SCIAMACHY/catalog.html

Dataset Size Last Modified
     Folder  SCIAMACHY   --
         Folder  CO2_SCI_WFMD/   --
         Folder  CO2_SCI_BESD/   --
         Folder  CH4_SCI_WFMD/   --
         Folder  CH4_SCI_IMAP/   --

CCI THREDDS Data Server at CEDA see Info
Documentation