Sun giving way to increasing clouds
Rises at 6:04 AM with 13:34 of sunlight, then sets at 7:38 PM
Rises at 9:35 AM with 14:07 of moolight, then sets at 11:42 PM
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.