Intervals of clouds and sun
Rises at 6:38 AM with 11:47 of sunlight, then sets at 6:25 PM
Rises at 12:53 PM with 9:48 of moolight, then sets at 10:41 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.