Rises at 6:45 AM with 13:45 of sunlight, then sets at 8:30 PM
Rises at 5:46 PM with 10:35 of moolight, then sets at 4:21 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.