Living Data
Ice free Antarctica
Bubbles in the Ice 2008
Voice: Dominic Hodgson British Antarctic Survey
Animation: Lisa Roberts
Production assistance: Ken Wilson
We measure the chemistry of air in bubbles trapped in ice cores. The concentration of carbon dioxide is now higher than at any other time in the last 850,000 years. We know that absolutely for a fact because we can measure the trapped bubbles in the ice.
Dominic Hodgson, Cambridge, UK 2008
