March 29 marked the 60th anniversary of the Keeling Curve, a detailed record of carbon dioxide levels in the atmosphere produced by Scripps Institution of Oceanography at UC San Diego in concert with NOAA.

To commemorate the occasion, NOVA l PBS chatted with Ralph Keeling, son of Charles David Keeling, who began the measurements in 1958 at Mauna Loa Observatory in Hawaii, and Doug Hamilton, writer, director, and producer of NOVA’s “Decoding the Weather Machine.”

Watch the interview here https://www.facebook.com/NOVApbs/videos/10155372647842196/

and stay tuned for more events related to the anniversary, including the April 18 airing of NOVA episode “Decoding the Weather Machine” on PBS channels everywhere.