Rises at 5:12 AM with 15:00 of sunlight, then sets at 8:12 PM
Rises at 2:29 AM with 15:07 of moolight, then sets at 5:36 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.