2016 is likely to be the hottest year on record

Buyan, a male Siberian brown bear, shakes off water as he cools down under a stream of water sprayed by an employee in its enclosure on a hot summer day, with the air temperature of about 33 degrees Celsius (91.4 degrees Fahrenheit) at the Royev Ruchey zoo on the suburbs of Krasnoyarsk, Siberia, Russia, June 14, 2016.[Photo/Agencies]