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Learning from the Ice

Ep. 74
What can studying core samples from over 2.5m years ago tell us about the likely impact of climate change today?

Join us as we talk with climate science expert Professor Martin Siegert about his work to investigate what conditions were like on earth during the Pliocene era (5.3 to 2.6 million years ago) - the last time atmospheric carbon emissions were around 400ppm for a prolonged period.  We explore what conditions at that time can tell us about what we might encounter if we don't reduce our current levels of carbon.