The Blackboard

Many of you are used to seeing comparisons of observed and projected trends here. But I also sometimes cycle through to show comparison of absolute temperature anomalies to projections temperature anomalies using the baseline the authors of the IPCC AR1 selected when illustrating projections. That is: I show how temperature anomalies would appear if super-imposed [...]

Have you downloaded “The Synthesis Report” yet? You know, the one from the “Climate Change: Global Risks, Challenges, Decisions” (aka, “The Copehagen Meeting”. )
Naturally, I flipped through to read their comparison of observations to temperatures. After all, annual average temperature this century have fallen mostly below the projections from the AR4 (i.e. the most [...]