Intervals of clouds and sunshine
Rises at 7:36 AM with 11:40 of sunlight, then sets at 7:16 PM
Rises at 3:00 PM with 9:32 of moolight, then sets at 12:32 AM
Aug 30, 2012; 5:00 AM ET If you're longing to ski the Alps or swim in the Great Barrier Reef, you may be running out of time. A changing climate may beat you to the punch line. Valerie Smock has more.