Trends in Atmospheric Carbon Dioxide

keeling curve

Summary

Charles David Keeling began measuring atmospheric carbon dioxide (CO2) in 1958 at the Mauna Loa observatory on the big island of Hawaii.  This graph shows atmospheric carbon dioxide concentration in parts per million (ppm) by volume from 1958 to 2016. Worksheet also available in Spanish.

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Curriculum Connections:

  • NGSS (2013) ESS - 2
  • NGSS (2013) LS - 1
  • AP Biology (2015) - 2
  • AP Environmental Science (2013) - 2
  • IB Biology (2016) - 1
  • IB Environmental Systems and Societies (2017) - 1
  • Common Core (2010) - 5
  • Vision and Change (2009) - 2
NGSS (2013) ESS
HS-ESS2-6, HS-ESS3-5
NGSS (2013) LS
HS-LS2-5
AP Biology (2015)
SP5, SP6
AP Environmental Science (2013)
I.B, VII.B
IB Biology (2016)
C.3
IB Environmental Systems and Societies (2017)
6.1
Common Core (2010)
ELA.RST.9-12.7, Math.S-ID.3, S-IC.1, MP2, MP5
Vision and Change (2009)
CC5, DP2