Intervals of clouds and sun
Rises at 7:57 AM with 11:43 of sunlight, then sets at 7:40 PM
Rises at 3:16 PM with 14:17 of moolight, then sets at 5:33 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.