http://www.physorg.com/news99956954.html
".....was drier and 4-5 degress centigrade cooler than it is today" Really? We need to do some Enthalpy studies to find out why "global cooling" created desertification when the current hypothses has been that only global warming would create such conditions. So what is going to happen now, will the melting ice sheet in Greenland now begin to return Mexico to pre-iceage climates?