Rises at 4:45 AM with 18:34 of sunlight, then sets at 11:19 PM
Rises at 10:41 PM with 8:41 of moolight, then sets at 7:22 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.