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co2_historical

Source: R/data.R
co2_historical.Rd

Historical annual mean CO2 concentration (in parts per million) from NOAA https://gml.noaa.gov/ccgg/trends/global.html

Usage

co2_historical

Format

An object of class data.table (inherits from data.frame) with 57 rows and 2 columns.

Source

ftp://aftp.cmdl.noaa.gov/products/trends/co2/co2_annmean_mlo.txt

Examples

if (FALSE) { # \dontrun{
 library(gaia);
 co2_historical <- gaia::co2_historical
} # }