Welcome to the Anthropocene!

From RealClimate, a graph from the Marcott study into Holocene temperatures, which goes some way to explaining why sea ice is crashing now in a way it hasn't done since the mid Holocene (which was solar driven as further images and text on that blog post show. I strongly recommend popping over to RealClimate and reading the whole post.

And if we're foolish enough to continue emitting CO2....