Rises at 6:44 AM with 13:56 of sunlight, then sets at 8:40 PM
Rises at 3:52 AM with 13:52 of moolight, then sets at 5:44 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.