Last month was the warmest May on record and carbon dioxide levels also hit a new high despite the economic slowdown from COVID-19, the World Meteorological Organization (WMO) said on Friday, in an urgent appeal for Member States to renew their efforts to tackle climate threats. (Source: UN) Información adicional El mes de mayo de 2020 ha sido el más cálido desde 1965. (Fuente: MITECO)