Rises at 5:51 AM with 16:00 of sunlight, then sets at 9:51 PM
Rises at 4:22 AM with 8:11 of moolight, then sets at 12:33 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.