Ice cores

Deep Antarctic drilling will reveal climate secrets trapped in 1.5 million-year-old ice

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Scientists will have to drill at a depth of nearly 3km to retrieve some of the oldest ice that can tell us about the past and future of climate. Image credit - NASA/Michael Studinger

by Richard Gray  An ambitious mission to drill into the Antarctic ice sheet to extract some of the oldest ice on the planet will provide vital clues about a mysterious shift in the behaviour of our planet’s climate. Drilling into the ice of Antarctica is like going back in time. Frozen within it are relics … Read more