b'This story was originally published by Grist and is reproduced here as part of the Climate Desk collaboration. Even in a dream-come-true scenario where we manage to stop all the world\\u2019s carbon emissions overnight, the Arctic would inevitably get hotter and hotter. That\\u2019s according to a new report by UN Environment, which says the the region is already \\u201clocked in\\u201d to wintertime warming of 4 to 5 degrees C (7.2 to 9 degrees F) over temperatures of the late 1900s.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'