Associated Press: Top climate scientists warned Tuesday that sea levels could rise twice as much as previously projected as they presented the latest research on global warming. A 2007 report by the Intergovernmental Panel on Climate Change predicted a sea level rise of 7 to 23 inches (18 to 59 centimeters) by the end of the century. But scientists meeting in Copenhagen dismissed those estimates as too conservative, saying new data suggests that sea level rise could exceed 39 inches (1 meter) …