This appears to be the surprising implication of a statement by the American Physical Society. Hot on the heels of the resignation of Nobel laureate Ivar Giaever from its membership, the society has issued a statement declaring that it has all been a terrible misunderstanding.

The APS says it that its climate change statement does not assert that "anthropogenic" (man-made) climate change is incontrovertible – but that the evidence of global warming is.