Intervals of clouds and sun
Rises at 7:26 AM with 12:18 of sunlight, then sets at 7:44 PM
Rises at 2:26 AM with 14:00 of moolight, then sets at 4:26 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.