Girls cool themselves in a fountain after a hot day at the Kremlin Wall in Moscow, Russia.
Girls cool themselves in a fountain after a hot day at the Kremlin Wall in Moscow, Russia. Alexander Zemlianichenko AP
Girls cool themselves in a fountain after a hot day at the Kremlin Wall in Moscow, Russia. Alexander Zemlianichenko AP

The heat is on; NOAA, NASA say 2014 warmest year on record

January 16, 2015 9:59 AM