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
Why are Seasonal CO2 Fluctuations Strongest at Northern Latitudes?
The farther north a CO2 reading is made, the wider it swings with the seasons
Why Daily Readings are Sometimes Unavailable
Many readers noticed that there were several days without readings recently.
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.”