Due to different methods, US Noaa judged year as fractionally cooler than 2016 while UK Met Office put 2020 in close second place
Last year was by a narrow margin the hottest ever on record, according to Nasa, with the climate crisis stamping its mark on 2020 through soaring temperatures, enormous hurricanes and unprecedented wildfires.
The average global land and ocean temperature in 2020 was the highest ever measured, Nasa announced on Thursday, edging out the previous record set in 2016 by less than a tenth of a degree.
