Understanding Decarbonization of the US Economy in 2008

Roger Pielke Jr. concludes that the rate of decarbonization has not improved in recent years. I don’t see any other interpretation of the empirical data.

I have been asked by a reporter how to explain how much of the 2008 reduction in U.S. carbon dioxide emissions is due to changes in energy intensity and carbon intensity versus the slowdown in economic growth. The answer can be determined from the graph and figures above.

<snip all the reasoning>

[From Understanding Decarbonization of the US Economy in 2008]