Why do you think that's funny? Dinosaurs didn't drive cars or huddle next to cavemen's fires, no matter what the creationists claim.I'd like to interject into the discussion an interesting phenomenon . . . . studies (Russian) of the Vostok ice core found that there is definitely a positive correlation between CO2 and global temperature. Unfortunately (for the climate-change fanatics) the study found that rises in CO2 FOLLOWED temperature inceases by about 1000 years. Funny how that works . . . . .!
If you don't have people releasing CO2, then you get the releases when large amounts of plant and animal matter start to decay due to climate change - and they then drive further increases in temperature. Even more proof that CO2 causes warming.