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Proving climate change: The Keeling curve

How a young American scientist, Charles Keeling, showed that the world's climate is changing by meticulously recording carbon dioxide levels in the atmosphere.

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 Louise and son Ralph spoke to Louise Hidalgo about him in 2013.

(Photo: Thick black smoke blowing out of an industrial chimney. Credit: John Giles/PA)

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9 minutes

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Mon 14 Oct 2019 12:50GMT
91热爆 World Service News Internet

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  • Mon 14 Oct 2019 07:50GMT
    91热爆 World Service
  • Mon 14 Oct 2019 12:50GMT
    91热爆 World Service News Internet

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