No, you're reading it the way that piece of FUD is intended to be read.
There's lots of other evidence that the author carefully avoids mentioning. If you're in Europe, go see some glaciers in the Alps while you still can - they won't exist for much longer.
I saw "lots of evidence" in lots of places, then I saw "there is some evidence" in some places, but I don't recall it going further than that.
This is sad, because it makes the whole subject a matter of belief. Even worse, anyone having a bit dissident opinion is likely to be treated as nay-sayer, heretic and the enemy of the Earth. I don't see that as scientific way to tackle the problem.
London used to be overrun with vineyards a couple of hundred years ago. Since then it's dramatically cooled. Things change all the time. Chill out, they sky's not falling.
There's lots of other evidence that the author carefully avoids mentioning. If you're in Europe, go see some glaciers in the Alps while you still can - they won't exist for much longer.