Analysis of an ice core taken by the National Science Foundation-funded West Antarctic Ice Sheet Divide drilling project reveals that warming in Antarctica began about 22,000 years ago, a few thousand years earlier than suggested by previous records.
Fuente : http://www.eurekalert.org/pub_releases/2013-08/nsf...
Fuente : http://www.eurekalert.org/pub_releases/2013-08/nsf...