So we’ve reached 400 ppm.… Now what happens?
Why Scientists Still Collect CO2 in Flasks
Some aspects of CO2 analysis require old-school methods
Video: The Keeling Curve Turns 50
This 2008 film made for the 50th anniversary of the Keeling Curve features interview footage with the measurement’s creator Charles David Keeling originally filmed for the 2004 Finnish documentary “The Venus Theory.”
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