Rises at 6:39 AM with 12:46 of sunlight, then sets at 7:25 PM
Rises at 2:23 AM with 14:19 of moolight, then sets at 4:42 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.