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This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-07-29 and was most recently seen on 2026-07-29.
Charles David Keeling was an American scientist whose recording of atmospheric 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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