Giant iceberg breaks away from ice shelf in Antarctica

What happens when one of the biggest icebergs on record breaks away from an ice shelf in Antarctica?Scientists are currently finding that out as a 1-trillion-tonne iceberg, measuring 5,800 square kilometres,calved away from the Larsen C ice shelf in Antarctica overnight.Dubbed the last Larsen standing, the iceberg has been close to breaking point for months, with scientistsmonitoring its demise from space since the first cracks were discovered.Meteorologist and sea ice scientist Dr Jan Lieser joined Libbi Gorr for your breakfast to discuss howscientists have been keeping up with the changes until now, and what the environmental impacts could bein the future as it moves out to sea.