http://edgcm.columbia.edu Climate Modeling for Research and Education Sat, 11 Jul 2009 03:13:14 +0000 http://backend.userland.com/rss092 en Extreme glacial events, the so-called "snowball Earth" intervals, are by far the coldest periods in Earth history, with evidence of ice sheets existing even in tropical regions. By trying to identify the key climate forcings that could have led to such cold conditions, we seek to understand the full natural ... http://edgcm.columbia.edu/2009/07/10/simulating-a-snowball-earth/