Their proxy reconstruction even has a fitted trend (see red curve) that suggests temperatures there seem cyclical and being driven by natural cyclical forces. (c3headlines.com)
This regular up and down of the CO2 (see red curve) shows that our planet is «breathing». (esa-ghg-cci.org)
The dotted red curve shows the effect of removing from the DePreSys hindcasts the mean difference between DePreSys and NoAssim hindcasts of Ts for the coming 9 years. (heatisonline.org)