Video: World News

Graphics firm has a ball with New York pollution (2:14) 

Nov. 30 - Animators have created a video showing the physical scale of the 54 million tonnes of carbon dioxide pumped into New York City's atmosphere in 2010. Using a technique they call 'concrete visualisation', the team hopes to spark delegates at the Doha Climate Change Conference into decisive action on global warming. Jim Drury has more. ( Transcript )

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