WMO on the 2011 climate
Via Climate Progress we have the WMO’s Provisional Statement on the Status of the Global Climate and press release. This graph is interesting:
2011 is shaping as the 10th highest on record and are higher than any previous year with a La Niña event. The 13 warmest years have all occurred in the 15 years since 1997. WMO Secretary-General Michel Jarraud:
“Concentrations of greenhouse gases in the atmosphere have reached new highs. They are very rapidly approaching levels consistent with a 2-2.4 degree Centigrade rise in average global temperatures which scientists believe could trigger far reaching and irreversible changes in our Earth, biosphere and oceans,” he said.