AtmosphericCO2: Atmospheric carbon dioxide levels by year
Description
Carbon dioxide levels in the atmosphere over a 50 year span from 1960-2010.
Format
A dataset with 11 observations on the following 2 variables.
Year
Every five years from 1960-2010
CO2
Carbon dioxide level in parts per million
Source
Dr. Pieter Tans, NOAA/ESRL (www.esrl.noaa.gov/gmd/ccgg/trends/).
Values recorded at the Mauna Loa Observatory in Hawaii.