Intervals of clouds and sun
Rises at 7:32 AM with 11:05 of sunlight, then sets at 6:37 PM
Rises at 3:44 PM with 12:18 of moolight, then sets at 4:02 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.