NEW Publication (June). ‘What do we know about the IPCC?’ This review article – Hulme & Mahony, 2010 – has been published on-line in the journal Progress in Physical Geography. The article surveys all of the significant published research from the early 1990s onwards about how the IPCC works and what impacts its knowledge assessments have had.
(15 June) On the nature of the IPCC consensus. Read here for a statement correcting misleading newspaper and internet blog reports of the Hulme & Mahony paper on the IPCC. And read here for an earlier commentary on the IPCC and its use of consensus. (16 June) Further clarification. Read here for further clarification of my position on expertise, consensus and the IPCC.