Intervals of clouds and sunshine
Rises at 6:40 AM with 13:58 of sunlight, then sets at 8:38 PM
Rises at 1:37 PM with 13:55 of moolight, then sets at 3:32 AM
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.