URL: https://www.esrl.noaa.gov/gmd/ccgg/trends/data.html

Citation Style: 
APA
Citation Text: 
Tans, P., Keeling, R. Trends in Atmospheric Carbon Dioxide. Available from https://www.esrl.noaa.gov/gmd/ccgg/trends/data.html.
Identifier Type: 
URL
Identifier Value: 
https://www.esrl.noaa.gov/gmd/ccgg/trends/data.html
Resource Type: 
Dataset