Rises at 6:41 AM with 12:47 of sunlight, then sets at 7:28 PM
Rises at 3:13 AM with 14:15 of moolight, then sets at 5:28 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.