Intervals of clouds and sun
Rises at 6:49 AM with 11:38 of sunlight, then sets at 6:27 PM
Rises at 12:16 PM with 14:45 of moolight, then sets at 3:01 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.