Carbon dioxide and ten thousand dots

The graphic below contains 10,000 dots. Total carbon dioxide in the atmosphere is represented by just four dots. Human carbon dioxide emissions are just one dot. Yet some believe that this one dot, 0.0125% of the atmosphere, is the major control for global temperature.

Related:

Evidence that CO2 emissions do not intensify the greenhouse effect 

The Broken Greenhouse – Why CO2 is a minor player in global climate