The relentless rise of atmospheric CO2 since 1950

[![Rising CO2 levels visualization](/images/co2-rising-visualization.png)](/images/co2-rising-visualization.png) The Keeling Curve shows atmospheric CO2’s relentless rise (click for full size) In 1958, Charles David Keeling began measuring atmospheric carbon dioxide at the Mauna Loa Observatory i…

January 19, 2025
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