In his earlier post "Climate Statement - An Orchestrated Litany of Lies" (below) coalition foundation member and longtime IPCC expert Dr Vincent Gray took issue with a report by the Climate Committee of the Royal Society of NZ. That committee's chair, Dr David Wratt replied to Dr Gray's comments - LINK to download pdf
Dr Gray has now rebutted Dr Wratt's claims - LINK to download pdf
Read both and judge for yourself