2015 just became the hottest year on record by the largest margin ever seen: https://t.co/g1ISkixFmK pic.twitter.com/tDW3E55YT6β Science News (@ScienceNews) January 23, 2016
2015 just became the hottest year on record by the largest margin ever seen: https://t.co/g1ISkixFmK pic.twitter.com/tDW3E55YT6