The following are PDFs of the plots found on the landing page. These files are vector images that can be saved as high resolution images of the format needed (png, jpg, tiff) by using a graphics program like Adobe Illustrator or GIMP (free), and also using a free online PDF converter. An online PDF converter can be found from a google search for “free online pdf to image converter.”

Permissions and data sources

See Keeling Curve Mauna Loa source data and additional materials on the Scripps CO2 Program site.