Sun giving way to increasing clouds
Rises at 7:40 AM with 10:13 of sunlight, then sets at 5:53 PM
Rises at 2:50 AM with 9:39 of moolight, then sets at 12:29 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.