From yesterday's New York Times: The human-driven buildup of heat-trapping greenhouse gases in the atmosphere appears to have ended a slide, many millenniums in the making, toward cooler summer temperatures in the Arctic, the authors of _a new study_ (http://www.sciencemag.org/cgi/content/abstract/325/5945/1236) report. _http://www.nytimes.com/2009/09/04/science/earth/04arctic.html?scp=1&sq=ice% 20age&st=cse_ (http://www.nytimes.com/2009/09/04/science/earth/04arctic.html?scp=1&sq=ice%20age&st=cse) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - To unsubscribe from the IOWA-TOPICS list, send any message to: [log in to unmask] Check out our Listserv Lists support site for more information: http://www.sierraclub.org/lists/faq.asp To view the Sierra Club List Terms & Conditions, see: http://www.sierraclub.org/lists/terms.asp
