Intervals of clouds and sun
Rises at 6:36 AM with 14:08 of sunlight, then sets at 8:44 PM
Rises at 5:29 PM with 11:57 of moolight, then sets at 5:26 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.