A thick cloud cover
Rises at 6:55 AM with 11:47 of sunlight, then sets at 6:42 PM
Rises at 1:16 PM with 9:43 of moolight, then sets at 10:59 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.