A robust, multi-sourced temperature map for the last 2000 years finds Global Mean Temperature Anomalies (GMTAs) were becoming increasingly negative prior to 1910 (Figure 7), after which a rapid and continuing warming began (Figs. 3 & 7), seeing consistently positive GMTAs from 1995 (Fig. 3).

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A robust, multi-sourced temperature map for the last 2000 years finds Global Mean Temperature Anomalies (GMTAs) were becoming increasingly negative prior to 1910 (Figure 7), after which a rapid and continuing warming began (Figs. 3 & 7), seeing consistently positive GMTAs from 1995 (Fig. 3).