Sun giving way to increasing clouds
Rises at 7:21 AM with 9:12 of sunlight, then sets at 4:33 PM
Rises at 12:41 AM with 11:58 of moolight, then sets at 12:39 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.