Intervals of clouds and sun
Rises at 6:43 AM with 12:58 of sunlight, then sets at 7:41 PM
Rises at 11:51 PM with 14:34 of moolight, then sets at 2:25 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.