Intervals of clouds and sunshine
Rises at 6:50 AM with 10:11 of sunlight, then sets at 5:01 PM
Rises at 2:32 PM with 13:20 of moolight, then sets at 3:52 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.