​A global race is on to drill for the oldest known layers of Antarctic ice so researchers can peer back in time to a warmer climate to better understand the planet’s hotter future

“The big question we have is ‘How much warmer do we think our world is going to get as we continue to pump CO2 into our atmosphere? I think it's a catchy headline to say, ‘Oh, we found the oldest ice,’ but there’s a reason why we’re interested in these earlier intervals. And it’s because they were warmer.”

—Sarah Shackleton, COLDEX team member & postdoctoral researcher in paleoclimatology, Princeton University

  • Published OnFeb 9, 2023
  • PublicationScientific American
  • AuthorChristian Elliott
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