Rises at 6:45 AM with 13:10 of sunlight, then sets at 7:55 PM
Rises at 4:15 AM with 12:18 of moolight, then sets at 4:33 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.