Intervals of clouds and sunshine
Rises at 6:43 AM with 11:18 of sunlight, then sets at 6:01 PM
Rises at 6:21 PM with 12:35 of moolight, then sets at 6:56 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.