Sculptor Mark Coreth and the curved life-sized ice polar bear (photo: Patrick Riviere) Sculptor Mark Coreth and Robert Purves AM at Sydney Ice Bear, 2011 (photo: Patrick Riviere) Dripping water from melted Ice Bear (photo: Patrcik Riviere) Half melted Ice Bear revealing its bronze skeleton (photo: Patric Riviere) Robert Purves AM speaking at an Earth Hour event Aerial view of Skullbone Plains, Tasmania (photo: Matthew Newton) Skullbone Plains, Tasmania (photo: Grant Dixon) Robert Purves AM, Director of Purves Environmental Fund