The Antarctic has registered a temperature of more than 20C (68F) for the first time on record, prompting fears of climate instability in the world’s greatest repository of ice.

Credit: Michele Rebesco, 2006.
The Antarctic has registered a temperature of more than 20C (68F) for the first time on record, prompting fears of climate instability in the world’s greatest repository of ice.
A new study by University of Arizona researchers presents detailed estimates of global extinction from climate …