Rises at 4:43 AM with 18:43 of sunlight, then sets at 11:26 PM
Rises at 2:13 AM with 16:36 of moolight, then sets at 6:49 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.