CO2 in the atmosphere continues its climb and yet we do little about it . . . .
426.52 parts per million (ppm) CO2 in air 30-Jul-2025
keelingcurve.ucsd.edu
keelingcurve.ucsd.edu
The Keeling Curve
The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.