Tiny plants that live on the underside of sea ice form an upside-down garden that feeds krill and is the base of the Antarctic food web.
To see images and read more about this episode, visit the RNZ website here: Voices from Antarctica: Under the ice
Researchers are using hot water to drill through the Ross ice shelf, to discover what has happened to Antarctic ice during previous periods of warm climates.
To see images and read more about this episode, visit the RNZ website here: Voices from Antarctica: What the ice is saying