What are the chances of a widespread melt? Secrets Beneath the Ice explores whether Antarctica's climate past can offer clues to what may happen. Nova follows a state-of-the-art expedition that is drilling three-quarters of a mile into the Antarctic seafloor.
The drill is recovering rock cores that reveal intimate details of climate and fauna from a time in the distant past when the Earth was just a few degrees warmer than it is today. As researchers grapple with the harshest conditions on the planet, they discover astonishing new clues about Antarctica's past—clues that carry ominous implications for coastal cities around the globe.
WATCH A PREVIEW
Comment on This Article
Subscribe to WGBH Science Emails
Support for WGBH is provided by:Become a WGBH sponsor