Sun giving way to increasing clouds
Rises at 6:19 AM with 14:31 of sunlight, then sets at 8:50 PM
Rises at 12:34 PM with 1:00 of moolight, then sets at 1:34 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.