Rises at 7:20 AM with 12:45 of sunlight, then sets at 8:05 PM
Rises at 4:51 AM with 13:50 of moolight, then sets at 6:41 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.