The Keeling Curve–A Daily Record of Atmospheric CO2 Concentrations

According to Wikipedia,

The Keeling Curve is a graph of the accumulation of carbon dioxide in the Earth’s atmosphere based on continuous measurements taken at the Mauna Loa Observatory on the island of Hawaii from 1958 to the present day.

The curve is updated daily on the website of the Scripps Institution of Oceanography at UC San Diego.

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