So: "Scientific Perspectives on the Greenhouse Problem" by Jastrow, Nierenberg and Seitz, published by the Marshall Institute, has turned up. Now I have to read it. I got mine from abebooks, if you're interested.
One thing to note is that it was published in 1990, and so has access to IPCC '90: they explicity acknowledge this in the preface, and ref it in chapter 1. I'm expecting that to be relevant, excuse-wise.
Preface: largely neutral; small "skeptic" slant due to over-emphasis of uncertainties.
Chapter 1 - reliability of the predictions
All is going fairly sanely until Bang! Suddenly,…