Rises at 6:45 AM with 13:37 of sunlight, then sets at 8:22 PM
Rises at 4:50 AM with 13:48 of moolight, then sets at 6:38 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.