Climate Change-Foundational
The Keeling Curve These are measurements taken at the Mauna Loa Observatory in Hawaii that began under the supervision of Charles David Keeling staring in the 1950"s.
THE NOAA ANNUAL GREENHOUSE GAS INDEX (AGGI)
Detail of NOAA CO2, N2O,CH4 and CFC readings from circa 1980 to present
ESRL American Somoa Observatory