Story URL: http://news.medill.northwestern.edu/chicago/news.aspx?id=127327
Story Retrieval Date: 2/9/2010 5:44:42 PM CST

Charles Berret/Medill
Raymond Pierrehumbert: "We have seen only a tiny part of the warming that we are eventually going to get. We haven't even seen the warming that goes along with the CO2 we've already put into the atmosphere."
University of Chicago climate scientist Raymond Pierrehumbert says that humans have moved well beyond the natural swings of global warming in the environment. We have "shocked the system" and "thrown it way out of equilibrium," he said during a recent presentation on his home turf of Evanston. Click the link for a slideshow with highlights of his talk.