Rises at 4:53 AM with 18:20 of sunlight, then sets at 11:13 PM
Rises at 10:01 PM with 7:58 of moolight, then sets at 5:59 AM
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.