Few scientists like to predict the future. But geographer Chris Scotese has drawn a map of Earth 250 million years from now. This supercontinent is a place of wild extremes. In this one hour program scientists such as climatologist Dr Paul Valdes, atmospheric scientist George Bryan and paleobiologist Bruce Tiffney predict what life might be like on a future Earth. But other scientists believe a future single landmass world could sow the seeds of destruction for all life on Earth and the formation of a scorched and barren planet in its place.