The COVID-19-related lockdowns granted scientists an unexpected and detailed glimpse as to how human activities impact atmospheric composition. Two recent studies, one focusing on nitrogen oxide and the other examining CO2 concentrations, were able to detect the atmospheric ‘fingerprint’ of the lockdowns in unprecedented detail.

Music: The Mysterious Staircase by Brice Davoli [SACEM], Suspended in Time by Brice Davoli [SACEM], Universal Production Music