note: data points are interpolated linearly from data sources detailed below.
CO2-EPICA Dome C see Lüthi et al. 2008
CO2-Law Dome
CO2-Direct Measurement
Temp-EPICA Dome C see Jouzel et al. 2007
Temp-Law Dome
Temp-Direct Measurement
World Population see Total Population - Both Sexes For earlier dates, see World Population Growth History