I wouldn`t go so far to call it "warming", let alone believe that anybody had it in her power to limit it to 2°C (which is flatout ridiculous) but things are changing. When I aprenticed at my first job, insurance, flooding simply didn`t take place in this part of the world. Then came the Millenium, and all of a sudden strong rain incidents became so frequent we got into liability issues if we did`nt recomend according cover to our customers - tarifs that were unheard of 10 years ago.
There have always been changes in climate, glaciers wandering back and forth, viking migrants enjoying prosporous agriculture on "green-land", and they usually happend much quicker than one would think. But it is a fact and many communities here are facing it by getting larger sewage facilities etc.