Rises at 6:50 AM with 12:15 of sunlight, then sets at 7:05 PM
Rises at 3:32 AM with 13:35 of moolight, then sets at 5:07 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.