Rises at 6:30 AM with 13:30 of sunlight, then sets at 8:00 PM
Rises at 1:31 AM with 10:26 of moolight, then sets at 11:57 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.