Rises at 6:35 AM with 12:00 of sunlight, then sets at 6:35 PM
Rises at 5:15 PM with 12:34 of moolight, then sets at 5:49 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.