Rises at 5:30 AM with 15:20 of sunlight, then sets at 8:50 PM
Rises at 4:44 AM with 7:26 of moolight, then sets at 12:11 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.