Rises at 4:37 AM with 18:39 of sunlight, then sets at 11:16 PM
Rises at 7:45 AM with 14:49 of moolight, then sets at 10:34 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.