David Coe's post on problems with the official carbon dioxide budget generated a lot of interest and more than 100 comments. David and I have therefore decided to bring forward publication of the second part of the paper, in which he sets out a new approach to these questions.
The paper itself is attached below. For those who are interested, David is also making available the data behind the key figures: Figs 2.4 and 2.5 and Figs 2.6 and 2.7