Intervals of clouds and sun
Rises at 7:34 AM with 10:12 of sunlight, then sets at 5:46 PM
Rises at 1:45 PM with 13:26 of moolight, then sets at 3:11 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.