http://www.gizmag.com Arctic temperatures in the 1990s reached their warmest level of any decade in at least 2,000 years, new research indicates. The study, which incorporates geologic records and computer simulations, provides new evidence that the Arctic would be cooling if not for greenhouse gas emissions that are overpowering natural climate patterns. The international study, led by Northern Arizona University and the National Center for Atmospheric Research (NCAR), will be published in the September 4 edition of Science. en gizmag.com http://www.gizmag.com/arctic-warming-overtakes-2000-years-of-natural-cooling/12744/#comment-41785 http://www.gizmag.com/arctic-warming-overtakes-2000-years-of-natural-cooling/12744/#comment-41785 Sun, 12 Dec 2010 17:39:26 -0600 http://www.gizmag.com/arctic-warming-overtakes-2000-years-of-natural-cooling/12744/#comment-16786 http://www.gizmag.com/arctic-warming-overtakes-2000-years-of-natural-cooling/12744/#comment-16786 Thu, 04 Mar 2010 21:36:01 -0600 http://www.gizmag.com/arctic-warming-overtakes-2000-years-of-natural-cooling/12744/#comment-8368 http://www.gizmag.com/arctic-warming-overtakes-2000-years-of-natural-cooling/12744/#comment-8368 Wed, 09 Sep 2009 05:26:08 -0500 http://www.gizmag.com/arctic-warming-overtakes-2000-years-of-natural-cooling/12744/#comment-8338 http://www.gizmag.com/arctic-warming-overtakes-2000-years-of-natural-cooling/12744/#comment-8338 Mon, 07 Sep 2009 18:09:27 -0500