A thick cloud cover
Rises at 8:05 AM with 8:59 of sunlight, then sets at 5:04 PM
Rises at 5:03 AM with 10:39 of moolight, then sets at 3:42 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.