Charles David Keeling
American scientist
Died when: 77 years 61 days (926 months)Star Sign: Taurus
Charles David Keeling (April 20, 1928 – June 20, 2005) was an American scientist whose recording of carbon dioxide at the Mauna Loa Observatory confirmed Svante Arrhenius's proposition (1896) of the possibility of anthropogenic contribution to the greenhouse effect and global warming, by documenting the steadily rising carbon dioxide levels.
The Keeling Curve measures the progressive buildup of carbon dioxide, a greenhouse gas, in the atmosphere.
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