The Potsdam Institute for Climate Impact Research is one of the most distinguished institutions in its field. Dr. Stefan Rahmstorf and his colleagues advise German and international governments on climate change. I met Stefan in Munich after a panel discussion on the future of mobility hosted by BMW. Rahmstorf and his research team study the role that oceans play in present and future climate changes and global warming. Not surprisingly his website has a commentary about the movie "The Day After Tomorrow" where one can see the impact of huge floods and a rising sea level.