WATCH: 2017 was the second hottest year on record, just behind a sizzling 2016

WATCH: 2017 was the second hottest year on record, just behind a sizzling 2016 https://t.co/98NvACFD6X via @ ReutersTV pic.twitter.com/rtryjtVSxM

— Reuters Top News (@Reuters) January 7, 2018