Rises at 6:43 AM with 12:56 of sunlight, then sets at 7:39 PM
Rises at 4:53 AM with 9:34 of moolight, then sets at 2:28 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.