Intervals of clouds and sunshine
Rises at 6:01 AM with 13:19 of sunlight, then sets at 7:20 PM
Rises at 5:35 AM with 13:25 of moolight, then sets at 7:00 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.