The second paragraph of the quotation begins: 'When his research was eventually published in 2008, well after the IPCC report, it concluded the opposite:'
So he does claim that these are opposites. That is my problem with his argument as presented.
So he does claim that these are opposites. That is my problem with his argument as presented.
Opposites as "does not prove" (vs proves). Not opposites as in "disproves".