"Antarctica?s ice sheet contains enough water to rise sea-levels by over 60 meters, yet we know surprisingly little about the frozen continent to our south. In fact we know more about the surface of Mars than we do the topography of Antarctica. In a live interview in Birmingham with Glaciologist Dr. Martin Siegert, in this episode of The Elephant, we learn the innovative ways in which scientists are studying the ice-sheet, why it matters for the future of the world, and hear about the mysterious sub-glacial lakes that lie buried beneath kilometers of ice" For more interviews exploring our changing climate, head to www.elephantpodcast.org subscribe in iTunes at: http://bit.ly/elephantpod