Rises at 6:43 AM with 12:18 of sunlight, then sets at 7:01 PM
Rises at 3:15 AM with 13:55 of moolight, then sets at 5:10 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.