The report also says that the composition of the world's forests is likely to change because some tree species will not be able to move northwards (or to higher altitudes) to escape the encroaching warmth.
And the idea of anthropogenic climate change rests on a great deal more than just tree-ring records, useful as they are for providing context to the current warming.
"Many accuse the dentally defective rat of being a nuisance that wreaks havoc on farmlands, roads, lakes, streams and tree plantations, " she said, adding that a country's symbols can "change over time".