Rises at 5:12 AM with 15:12 of sunlight, then sets at 8:24 PM
Rises at 12:31 PM with 13:12 of moolight, then sets at 1:43 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.