In a year of extreme heat, Antarctica's last six months were the coldest on record – with an average temperature of -60.9 degrees Celsius (-77.6 degrees Fahrenheit). CNN's Allison Chinchar reports.
In a year of extreme heat, Antarctica's last six months were the coldest on record – with an average temperature of -60.9 degrees Celsius (-77.6 degrees Fahrenheit). CNN's Allison Chinchar reports.
