Rises at 5:10 AM with 17:51 of sunlight, then sets at 11:01 PM
Rises at 2:48 AM with 17:38 of moolight, then sets at 8:26 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.