LA JOLLA, Calif., Aug. 30 -- The University of California at San Diego issued the following news release: By Rex Graham During Aug. 23-25 when California's afternoon temperatures rose above 100 degrees, UC San Diego took a variety of energy-conservation steps, including simultaneously adjusting thousands of thermostats a few degrees warmer than normal to help cut electricity purchases up to 80 percent during three state-wide "demand response" events. UC San Diego faculty and staff switc  more