Intervals of clouds and sunshine
Rises at 6:41 AM with 13:40 of sunlight, then sets at 8:21 PM
Rises at 8:53 PM with 12:00 of moolight, then sets at 8:53 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.