Rises at 6:46 AM with 13:45 of sunlight, then sets at 8:31 PM
Rises at 4:01 AM with 11:40 of moolight, then sets at 3:41 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.