Rises at 6:00 AM with 13:36 of sunlight, then sets at 7:36 PM
Rises at 3:20 AM with 14:24 of moolight, then sets at 5:44 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.