summed it up in an unrelated quote that applies to to this situation , for those unfamiliar here is it
"there are known knowns; there are things we know that we know. There are known unknowns; that is to say, there are things that we now know we don't know. But there are also unknown unknowns – there are things we do not know we don't know."
this article describes one thing going from known unknown to known known,
How many other known unknowns are there ?
which proportion are positive feedback and which negative ?
as always with climate science it is a developing science which makes it a risky business making definitive statements and as climate is a complex system reducing these complexities to soundbites also leads to trouble and much bollocks.
I , for one, am convinced of one thing, climate is changing, as to the rest more info and analysis needed