A 2-Million-Year-Old Ice Core from Antarctica Reveals Ancient Climate Clues

Yale e360
Oct 31, 2019, 3:17 pm432 pts
Analyzing the oldest ice core ever retrieved in Antarctica, U.S. scientists have shown a correlation between atmospheric carbon dioxide levels and temperature as far back as 2 million years. The core, drilled in an area 130 miles from the U.S.’s McMurdo research station, also showed a significant shift in the…

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