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ON NOW : The Newsroom
19/06/2013

The Newsroom The world's Newsroom brings you global events as they happen

Witness

Image for The Keeling curve

Play now 10 mins

The Keeling curve

Duration:
10 minutes
First broadcast:
Wednesday 02 January 2013

How a young American scientist began the work that would show how our climate is changing. His name was Charles Keeling and he meticulously recorded levels of CO2 in the atmosphere. His wife and son remember him.

Photo: John Giles/PA Wire

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