Description Format Details Source
Atmospheric carbon dioxide levels by year
A data frame with 12 observations on the following 2 variables.
Year
Every five years from 1960 to 2015
C02
Carbon dioxide level in parts per million
Carbon dioxide levels in the atmosphere over a 55 year span from 1960-2015.
** Updated for 3e (earlier version is now CarbonDioxide2e) **
Dr. Pieter Tans, NOAA/ESRL. Values recorded at the Mauna Loa Observatory in Hawaii. https://gml.noaa.gov/ccgg/trends/
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