Here is a very good presentation of CO2 measurement values:

http://www.esrl.noaa.gov/gmd/ccgg/trends/

I'm still looking for a non-movie version that shows the whole curve we have (not just the direct measurements).

edit: forgot the link

Some more good writeups: https://www.skepticalscience.com/argument.php http://climatechange.procon.org/

If anyone has questions - I study this stuff.