Sun followed by clouds
Rises at 6:34 AM with 14:33 of sunlight, then sets at 9:07 PM
Rises at 12:51 PM with 11:43 of moolight, then sets at 12:34 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.