'Big Thaw,' a summertime spectacular in National Geographic magazine, provided awesome scenes of climate-change catastrophes.The glaciers are melting. The ice sheets are melting. They're sliding rapidly out to sea. More rapidly than anyone imagined. Look for the ice sheets to collapse. Look for sea levels to rise. Etc. Etc.National Geographic's breathless account, brilliantly illustrated with the stunning photography for which it is famous, won headlines around the world. It has been dramatized and magnified on nightly newscasts and blogs alike, and has become a staple in the popular imagination.But it won't happen, says Prof. Cliff Ollier of the University...