I found this global warming article from that(your) link. I saw your EU-inflation post
http://www.eureferendum.com/forum/viewtopic.php?t=3761
OK!
Thanks for posting it! It's a good article, and most people don't know what a small amount we are talking about.
What it means is that the models indicating that CO2 is the great culprit must have inbuilt very large positive feedback mechanisms between CO2 and temperature - mechanisms that aren't proven, and whose magnitude definitely aren't known.