Rises at 6:31 AM with 12:46 of sunlight, then sets at 7:17 PM
Rises at 5:45 PM with 12:17 of moolight, then sets at 6:02 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.