Rises at 4:14 AM with 21:00 of sunlight, then sets at 1:14 AM
Rises at 11:50 PM with 15:27 of moolight, then sets at 3:17 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.