Therefore people trying right now to discern/portray climate change of the extreme variety, (“disasters [that] produce widespread damage and cause severe alterations in the normal functioning of communities or societies“, according to the IPCC – in other words the only changes of actual practical interest), are placing themselves outside mainstream science, perhaps out of naivety, perhaps due to personal gain.
The latest claim is that global warming causes cold winters. That would be a huge negative feedback, which would seriously undermine the whole CAGW story.
Mikey says that the MWP and LIA never happened.
Richard Betts, writing at Nature's blog, says upholders of the climate consensus should talk to dissenters.