Submitted in response to written requests from the Inquiry, usually providing lists of questions to be answered. In most cases these formed the basis of questioning in public sessions, but in some cases they were read into the record (or taken as read) and the witness did not appear in person.
Given by witnesses invited by the Inquiry, normally after they have made written statements. These sessions could be viewed live online and sometimes on television news services, and the video recordings are part of the archive. The statements were usually released to the public after the public sessions.
Two blogs (from Tony Newbery and Andrew Montford respectively) established in 2007. Both are sceptical about global warming and argue that the case for a significant anthropogenic impact on climate has not yet been made. Gave evidence to the Inquiry that media coverage of the issues had been highly politicised.