Keeling curve
![Keeling portrait](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/03/100-climate_milestone_1958-keeling.jpg?fit=680%2C383&ssl=1)
In 1958, Charles David Keeling (shown in 1988) began recording atmospheric carbon dioxide concentrations at Mauna Loa volcano in Hawaii.
SIO Photographic Laboratory records. SAC 0044. Special Collections & Archives, UC San Diego
In 1958, Charles David Keeling (shown in 1988) began recording atmospheric carbon dioxide concentrations at Mauna Loa volcano in Hawaii.
SIO Photographic Laboratory records. SAC 0044. Special Collections & Archives, UC San Diego