Rises at 6:47 AM with 13:56 of sunlight, then sets at 8:43 PM
Rises at 4:07 AM with 14:07 of moolight, then sets at 6:14 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.