Intervals of clouds and sun
Rises at 5:34 AM with 14:42 of sunlight, then sets at 8:16 PM
Rises at 4:24 PM with 11:22 of moolight, then sets at 3:46 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.