As of November 30, 2009: Decade+ Cooling Trend Is Now -8.7°F Per Century

Overall global cooling trend has not abated. Both U.S. and world are not experiencing global warming. In the case of U.S. cooling, it has generally been happening since 1998. If the trend for the U.S. were to continue, temperatures would drop some 9 degrees over a 100 year span - that's an ice age type of change. (click on image to enlarge)