Media playback is unsupported on your device

Scientists prepare for sub-Antarctic rat cull

British scientists are preparing for the world's biggest rat cull, on the sub-Antarctic island of South Georgia.

The team will drop around 95 tonnes of rat poison from the air as part of an international effort to wipe out the Norwegian brown rat.

Stuart Tinworth reports.

  • 17 Jan 2015
Go to next video: Antarctic photo archive unlocked