Sun giving way to increasing clouds
Rises at 6:24 AM with 12:43 of sunlight, then sets at 7:07 PM
Rises at 11:33 AM with 14:04 of moolight, then sets at 1:37 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.