Anthony Watts offers up an inconvenient truth as Congress kicks around Lieberman-Warner.

UAH: Global Temperature Dives in May Confirming what many of us have already noted from the anecdotal evidence coming in of a much cooler than normal May, such as late spring snows as far south as Arizona, extended skiing in Colorado, and delays in snow cover melting in many parts of the northern hemisphere, the University of Alabama, Huntsville (UAH) published their satellite derived Advanced Microwave Sounder Unit data set of the Lower Troposphere for May 2008. It is significantly colder globally, colder even than the significant drop to -0.046°C seen in January 2008. The global %u2206T from April to May 2008 was -.195°C