Intervals of clouds and sun
Rises at 7:56 AM with 9:14 of sunlight, then sets at 5:10 PM
Rises at 3:05 AM with 11:36 of moolight, then sets at 2:41 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.