2011:10th warmest year on record
Arctic sea ice at its lowest in 2011, says World Meteorological Organization report. The year 2011 has been the 10th warmest year on record in spite of a strong La Nina, which has a relatively cooling influence. In the event of a La Nina, the sea surface temperature is lower than usual in the tropical Pacific Ocean. Also, in 2011, the extent of the Arctic sea ice was the second lowest on record, and its volume was the lowest, revealed a provisional statement by the World Meteorological Organization (WMO). The statement, released at the ongoing 17th Conference of Parties (CoP) at Durban, aimed at providing scientific knowledge to inform action by decision makers.