Staffan, it's one thing to describe a comment or a stance as blue or green, but I wouldn't dream of classifying another human being in such a crude manner Your article certainly has green elements - whether it goes beyond that into being integral in its approach... I'm not knowledgeable enough of the area to comment. Maybe these
Three Principles Helpful for Any Integrative Approach would be useful in determining where it sits.
As for the author's colour? Maybe only he can tell us that....