Europe's warm winter

It appears that the past winter in Europe has been the warmest in 700 years. Taken singly, autumn 2006 and winter 2007 were only the warmest in 500 years, but the combination of the two produced the 700 years number.

There were also unusual phenological events with, for example hazel trees in Germany blossoming a month earlier than anytime in the past 50 years.

Still, this single event cannot be attributed explicitly to climate change...

Reference: Geophysical Research Letters (DOI: 10.1029/2007GL029951)