(MAMM, Arctic methane, Southern methane) and the European Union (InGOS, Geomon, IMECC, Meth‐MonitEUr, etc.) over the past 20 years; and also by the MOCA (Methane emissions from the Arctic Ocean) and SOCA [...] Research Laboratory, Global Monitoring Division, US National Oceanic and Atmospheric Administration, Boulder, CO, USA, 4Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO, USA [...] (SPO). NOAA = National Oceanic and Atmospheric Administration; NILU=Norwegian Institute for Air Research; RHUL= Royal Holloway, University of London; INSTAAR= Institute of Arctic and Alpine Research; UHEI