Maybe the Polar Bear is what we need to watch regarding Global Warming. If they suddenly appear in our backyards, this could be a big clue that things have warmed up a whole lot and the bears are now on the move. It gives us all something to think about and its told in a fun way so that it will be a pleasure to read, no matter what side of the fence you are on. We are going green whether we like the idea or not.