No evidence? You'd have to wonder what rock Professor Kurt Lambeck has been hiding under.
What we are talking about here is a phenomenon so well attested to by not only geological evidence, but also by way of historical writings, that it has its own name: the Roman Climate Optimum. Even the IPCC acknowledged as much prior to the third assessment report.
So no evidence?
From Andrew Bolt:
Age environment reporter Adam Morton has never heard anything so crazy, and asks the usual suspects to back him up:
“No evidence”? How long would it have taken Morton to discover this was false - had he been of a mind to check?
Here’s just some of the evidence suggesting Tony Abbott may well be right - and that those claiming he has “no evidence” are decidedly wrong:
Global warming alarmism is so 2009. Today’s alarm - the seas are falling: