So much of the dissenter blogosphere is taken up with how despicable it is to use the term deniers (which some how, to them means Holocaust deniers)
I have refrained from using the term deniers as it does not help discussion but only diverts it to a blind alley).
However calling them "sceptics" is just so wrong! they cannot be considered sceptical unless they are, at least, willing to consider that climate change is real. Most certainly deny this possibility.
However, a link from Variable Variability (Victor Venema)
Seemed very sensible:
How to talk to a climate change denier
Not much in the way of visuals so just listen!