Antarctic sea ice levels hit record low, but experts are not sure why

Unpredictable nature of Antarctic sea ice levels the focus at conference of meteorology experts in Australia this week

Sea ice levels in Antarctica dropped to a record low this year, but experts say there is not a clear link to climate change.

More than 60 meteorologists and scientists from around the world are holding a week-long meeting in Hobart, Tasmania, to better understand sea ice changes on the frozen continent.