1 rich Libsyn https://www.libsyn.com 90 600 We are officially in an interglacial period - between ice ages. Dr Karl talks with Australian Glaciologist Dr Tas van Ommen about the times when Ice sheets were a kilometre thick.&amp;nbsp;What caused them and how long did they last. Understanding our climate history is our best chance for anticipating its earth's future. Recorded in Antarctica Shirtloads of Science http://shirtloadsofscience.libsyn.com/podcast <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/12135251/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/item/12135251