世界气象组织：2020年世界气象组织温室气体公报（英文版）

Average daily CO,emissions from 5 February to 6 May 2020 (redarea) and average ofthe previous years during the same period(grey area) for three European cities. The dark grey horizontalbars cover periods of officiallockdown, while the light grey barsindicate periods of partial lockdown or general restrictions (forexample,school closures,reductionsin personal contact, mobilityconstraints). Source: [6]Humanityis experiencinga fundamentalhealth and economiccrisisrelatedtoCOVlD.19.The confinement