"The Arctic will retain its power to amaze for a long time. Yet it is now changing beyond the usual regional and annual variations in sea-ice formation, glacier melt and so forth. The Arctic is clearly melting. Its floating ice cap is shrinking and thinning and its glaciers are retreating. By the end of this century, maybe much sooner, there will be frequent Arctic summers with almost no sea...
Global Average Land Termperature 1850-2008
"The red bars show the global annual average near-surface temperature anomalies from 1850 to 2007. The error bars show the 95% uncertainty range on the annual averages. The thick blue line shows the annual values after smoothing with a 21 point binomial filter. The thin blue lines show the 95% uncertainty on the smoothed curve. Data are from the HadCRUT3 dataset. Annual Data and smoothed data are available in this format."
The link to the graph is here.
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