The so called Medieval Warming Period is an article of faith among deniers.
I’ve had deniers write to me to say that this is the single most convincing piece of “skeptic evidence”.
But what does the “Supreme Court of Science” say? Here’s a piece you can pass around to friends who need the best information in a nutshell.
This Year’s Model
July 25, 2009
Climate science is not completely dependent on climate models. There are many threads of supporting evidence. Still, it is clear that climate models are telling us something important that we cannot afford to ignore.
Climate Denial Crock of the Week 