The temperature in Greenland rose 1.5 degrees Celsius above the 20th century average, according to an article published in the journal Nature.
The temperature in that ice sheet had not been this hot for at least a millennium.
The research also says that, if we continue with current carbon emissions, by 2100 the sea level could rise by about 50 centimetres.
Miguel Ángel Antoñanzas has all the details in this video.
