Temperature and CO2 Concentration over the past 400,000 years

From the United Nations Education Program:

http://www.grida.no/climate/vital/02.htm

Remember: Correlation does not equal causation. Just because it appears that temperature rise precedes CO2 rise, don't assume that it has anything to do with the diminished CO2 load carrying capacity of warmer water. Or partial pressures. Anyway, the resolution of the charts isn't fine enough.